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LeafOS / LeafOS-Devices / android_kernel_samsung_universal7904 / 7b5e265274e2291084c2f491c8992304b28fe128 / . / sound / soc / codecs / tfa9896 / tfa_dsp.c
blob: fb49535732cd53010b4b237bac517b42f4b274c3 [file] [log] [blame]
/*
* Copyright 2015 NXP Semiconductors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 or later
* as published by the Free Software Foundation.
*/
#include "config.h"
#include "tfa98xx_tfafieldnames.h"
#include "tfa_internal.h"
#include "tfa.h"
#include <sound/tfa_ext.h>
#include "tfa_service.h"
#include "tfa_container.h"
#include "tfa_dsp_fw.h"
/* TODO: remove genregs usage? */
#include "tfa98xx_genregs_N1C.h"
#if defined(TFADSP_DSP_MSG_APR_PACKET_STRATEGY)
#include <linux/qdsp6v2/apr_tal.h>
#endif
/* handle macro for bitfield */
#define TFA_MK_BF(reg, pos, len) ((reg << 8)|(pos << 4)|(len - 1))
/* abstract family for register */
#define FAM_TFA98XX_CF_CONTROLS (TFA_FAM(handle, RST) >> 8)
#define FAM_TFA98XX_CF_MEM (TFA_FAM(handle, MEMA) >> 8)
#define FAM_TFA98XX_MTP0 (TFA_FAM(handle, MTPOTC) >> 8)
#define FAM_TFA98xx_INT_EN (TFA_FAM(handle, INTENVDDS) >> 8)
#define CF_STATUS_I2C_CMD_ACK 0x01
int tfa98xx_log_start_cnt;
int tfa98xx_log_tfa_family;
#ifndef MIN
#define MIN(A, B) ((A < B) ? A : B)
#endif
#if defined(TFADSP_DSP_MSG_APR_PACKET_STRATEGY)
/* in case of CONFIG_MSM_QDSP6_APRV2_GLINK/APRV3_GLINK, */
/* with smaller APR_MAX_BUF (512) */
#define APR_RESIDUAL_SIZE 60
#define MAX_APR_MSG_SIZE (APR_MAX_BUF-APR_RESIDUAL_SIZE) /* 452 */
/* #define STANDARD_PACKET_SIZE (MAX_APR_MSG_SIZE-4) // 448 */
/* (packet_id:2, packet_size:2) */
#endif
/* retry values */
#define CFSTABLE_TRIES 10
#define PWDNWAIT_TRIES 50
#define AMPOFFWAIT_TRIES 50
#define MTPBWAIT_TRIES 50
#define MTPEX_WAIT_NTRIES 25
#define REDUCED_REGISTER_SETTING
#define WRITE_CALIBRATION_DATA_TO_MTP
#define CHECK_CALIBRATION_DATA_RANGE
#if defined(WRITE_CALIBRATION_DATA_TO_MTP)
#define MAX_WAIT_COUNT_UNTIL_CALIBRATION_DONE 20
static enum tfa98xx_error
tfa_tfadsp_wait_calibrate_done(tfa98xx_handle_t handle);
#endif
#define SET_CALIBRATION_AT_ALL_DEVICE_READY
#if defined(USE_BOOSTING_ONLY)
/* in case of boosting only on TFA9896 */
#undef LOAD_PATCH_FOR_FULL_VERSION
#undef LOAD_FILTERBANK_FOR_TUNING
#else
#define LOAD_PATCH_FOR_FULL_VERSION
#define LOAD_FILTERBANK_FOR_TUNING
#endif
static int tfa98xx_runtime_verbose;
static int tfa98xx_trace_level;
static int tfa98xx_dsp_verbose;
/* 4 possible I2C addresses */
TFA_INTERNAL struct tfa98xx_handle_private handles_local[MAX_HANDLES];
/* calibration done executed */
#define TFA_MTPEX_POS TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_POS /**/
static enum tfa_error _tfa_stop(tfa98xx_handle_t handle);
static void tfa_status_read(tfa98xx_handle_t handle);
/*
* static variables
*/
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
static int active_handle = -1;
static int first_handle; /* first active_handle */
static int last_handle; /* last active_handle */
#endif
/*
* static functions
*/
#if defined(TFADSP_32BITS)
/* Sign extend to 32-bit from 24-bit */
static void tfa_msg24to32(
int32_t *out32buf, const uint8_t *in24buf, int length)
{
int i = 0;
int cmd_index = 0;
int32_t tmp;
while (length > 0) {
tmp = ((uint8_t)in24buf[i] << 16)
+ ((uint8_t)in24buf[i+1] << 8)
+ (uint8_t)in24buf[i+2];
/* Sign extend to 32-bit from 24-bit */
out32buf[cmd_index] = ((int32_t)tmp << 8) >> 8;
cmd_index++;
i = i+3;
length = length-3;
}
}
/* 32bits data --> 24 bits: discard the MSB byte */
static void tfa_msg32to24(
uint8_t *out24buf, const uint8_t *in32buf, int length)
{
int i, j;
int len_out;
len_out = (length / 4) * 3;
for (i = 0, j = 0; i < len_out; i += 3, j += 4) {
/* reverse bytes order */
out24buf[i+2] = in32buf[j];
out24buf[i+1] = in32buf[j+1];
out24buf[i] = in32buf[j+2];
}
}
#endif /* (TFADSP_32BITS) */
TFA_INTERNAL int tfa98xx_handle_is_open(tfa98xx_handle_t h)
{
int retval = 0;
if ((h >= 0) && (h < MAX_HANDLES))
retval = handles_local[h].in_use != 0;
return retval;
}
int print_calibration(tfa98xx_handle_t handle, char *str, size_t size)
{
return snprintf(str, size, "[%d:0x%02x] Prim:%d mOhms, Sec:%d mOhms\n",
handle, handles_local[handle].slave_address / 2,
handles_local[handle].mohm[0],
handles_local[handle].mohm[1]);
}
int tfa_get_calibration_info(tfa98xx_handle_t handle, int channel)
{
return handles_local[handle].mohm[channel];
}
/* return sign extended tap pattern */
int tfa_get_tap_pattern(tfa98xx_handle_t handle)
{
int value = tfa_get_bf(handle, TFA9912_BF_CFTAPPAT);
int bitshift;
uint8_t field_len = 1 + (TFA9912_BF_CFTAPPAT & 0x0f);
/* length of bitfield */
bitshift = 8 * sizeof(int) - field_len;
/* signextend */
value = (value << bitshift) >> bitshift;
return value;
}
/*
* interrupt bit function to clear
*/
int tfa_irq_clear(tfa98xx_handle_t handle, enum tfa9912_irq bit)
{
unsigned char reg;
/* make bitfield enum */
if (bit == tfa9912_irq_all) {
/* operate on all bits */
for (reg = TFA98XX_INTERRUPT_IN_REG1;
reg < TFA98XX_INTERRUPT_IN_REG1 + 3; reg++)
reg_write(handle, reg, 0xffff); /* all bits */
} else {
if (bit < tfa9912_irq_max) {
reg = (unsigned char)
(TFA98XX_INTERRUPT_IN_REG1 + (bit >> 4));
reg_write(handle, reg, 1 << (bit & 0x0f));
/* only this bit */
} else {
return TFA_ERROR;
}
}
return 0;
}
/*
* return state of irq or -1 if illegal bit
*/
int tfa_irq_get(tfa98xx_handle_t handle, enum tfa9912_irq bit)
{
uint16_t value;
int reg, mask;
if (bit < tfa9912_irq_max) {
/* only this bit */
reg = TFA98XX_INTERRUPT_OUT_REG1 + (bit >> 4);
mask = 1 << (bit & 0x0f);
reg_read(handle, (unsigned char)reg, &value);
} else
return TFA_ERROR;
return (value & mask) != 0;
}
/*
* interrupt bit function that operates on the shadow regs in the handle
*/
int tfa_irq_ena(tfa98xx_handle_t handle, enum tfa9912_irq bit, int state)
{
uint16_t value, new_value;
int reg = 0, mask;
/* */
if (bit == tfa9912_irq_all) {
/* operate on all bits */
for (reg = TFA98XX_INTERRUPT_ENABLE_REG1;
reg <= TFA98XX_INTERRUPT_ENABLE_REG1+tfa9912_irq_max / 16;
reg++) {
reg_write(handle,
(unsigned char)reg,
state ? 0xffff : 0); /* all bits */
handles_local[handle].interrupt_enable
[reg - TFA98XX_INTERRUPT_ENABLE_REG1] =
state ? 0xffff : 0; /* all bits */
}
} else {
if (bit < tfa9912_irq_max) {
/* only this bit */
reg = TFA98XX_INTERRUPT_ENABLE_REG1 + (bit >> 4);
mask = 1 << (bit & 0x0f);
reg_read(handle, (unsigned char)reg, &value);
if (state) /* set */
new_value = (uint16_t)(value | mask);
else /* clear */
new_value = value & ~mask;
if (new_value != value) {
reg_write(handle,
(unsigned char)reg,
new_value); /* only this bit */
handles_local[handle].interrupt_enable
[reg-TFA98XX_INTERRUPT_ENABLE_REG1] =
new_value;
}
} else {
return TFA_ERROR;
}
}
return 0;
}
/*
* mask interrupts by disabling them
*/
int tfa_irq_mask(tfa98xx_handle_t handle)
{
int reg;
/* operate on all bits */
for (reg = TFA98XX_INTERRUPT_ENABLE_REG1;
reg <= TFA98XX_INTERRUPT_ENABLE_REG1 + tfa9912_irq_max / 16; reg++)
reg_write(handle, (unsigned char)reg, 0);
return 0;
}
/*
* unmask interrupts by enabling them again
*/
int tfa_irq_unmask(tfa98xx_handle_t handle)
{
int reg;
/* operate on all bits */
for (reg = TFA98XX_INTERRUPT_ENABLE_REG1;
reg <= TFA98XX_INTERRUPT_ENABLE_REG1 + tfa9912_irq_max / 16; reg++)
reg_write(handle,
(unsigned char)reg,
handles_local[handle].interrupt_enable
[reg-TFA98XX_INTERRUPT_ENABLE_REG1]);
return 0;
}
/*
* interrupt bit function that sets the polarity
*/
int tfa_irq_set_pol(tfa98xx_handle_t handle, enum tfa9912_irq bit, int state)
{
uint16_t value, new_value;
int reg = 0, mask;
if (bit == tfa9912_irq_all) {
/* operate on all bits */
for (reg = TFA98XX_STATUS_POLARITY_REG1;
reg <= TFA98XX_STATUS_POLARITY_REG1 + tfa9912_irq_max / 16;
reg++) {
reg_write(handle,
(unsigned char)reg,
state ? 0xffff : 0); /* all bits */
}
} else if (bit < tfa9912_irq_max) {
/* only this bit */
reg = TFA98XX_STATUS_POLARITY_REG1 + (bit >> 4);
mask = 1 << (bit & 0x0f);
reg_read(handle, (unsigned char)reg, &value);
if (state) /* Active High */
new_value = (uint16_t)(value | mask);
else /* Active Low */
new_value = value & ~mask;
if (new_value != value) {
reg_write(handle, (unsigned char)reg, new_value);
/* only this bit */
}
} else
return TFA_ERROR;
return 0;
}
/*
* update dirty cached regs to i2c registers
*/
void tfa_irq_update(tfa98xx_handle_t handle)
{
static int maxregs;
static uint16_t regs_cache_irq_ena[(tfa9912_irq_max / 16) + 1];
int i, reg;
if (!maxregs) {
maxregs = tfa9912_irq_max/16;
for (i = 0; i < maxregs; i++) {
reg = TFA98XX_INTERRUPT_ENABLE_REG1 + i;
reg_read(handle, (unsigned char)reg,
&regs_cache_irq_ena[i]);
}
}
/* write only regs that changed */
for (i = 0; i < maxregs; i++) {
if (regs_cache_irq_ena[i] !=
handles_local[handle].interrupt_enable[i]) {
reg = TFA98XX_INTERRUPT_ENABLE_REG1 + i;
reg_write(handle, (unsigned char)reg,
regs_cache_irq_ena[i]);
}
}
}
/*
* open
* set device info and register device ops
*/
static void tfa_set_query_info(int dev_idx)
{
if (dev_idx >= MAX_HANDLES) {
_ASSERT(dev_idx >= MAX_HANDLES);
return;
}
/* invalidate device struct cached values */
handles_local[dev_idx].hw_feature_bits = -1;
handles_local[dev_idx].sw_feature_bits[0] = -1;
handles_local[dev_idx].sw_feature_bits[1] = -1;
handles_local[dev_idx].profile = -1;
handles_local[dev_idx].vstep[0] = -1;
handles_local[dev_idx].vstep[1] = -1;
handles_local[dev_idx].default_boost_trip_level = -1;
/* defaults */
handles_local[dev_idx].tfa_family = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_I2S; /* all others */
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].spkr_select = 0;
handles_local[dev_idx].support_tcoef = SUPPORT_YES;
handles_local[dev_idx].support_drc = SUPPORT_NOT_SET;
handles_local[dev_idx].support_saam = SUPPORT_NOT_SET;
/* handles_local[dev_idx].ext_dsp = 0; */
handles_local[dev_idx].is_cold = 1;
#if defined(REDUCED_REGISTER_SETTING)
handles_local[dev_idx].first_after_boot = 1;
#endif
handles_local[dev_idx].temp = 0xffff;
handles_local[dev_idx].saam_use_case = 0; /* not in use */
handles_local[dev_idx].stream_state = 0; /* not in use */
#if defined(USE_TFA9896)
handles_local[dev_idx].config_crc = 0;
handles_local[dev_idx].config_size = 0;
#endif
/* TODO use the getfeatures() for retrieving the features [artf103523]
* handles_local[dev_idx].support_drc = SUPPORT_NOT_SET;
*/
pr_info("%s: device type (0x%04x)\n",
__func__, handles_local[dev_idx].rev);
switch (handles_local[dev_idx].rev & 0xff) {
case 0x72:
/* tfa9872 */
handles_local[dev_idx].support_drc = SUPPORT_YES;
handles_local[dev_idx].tfa_family = 2;
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_TDM;
tfa9872_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x88:
/* tfa9888 */
handles_local[dev_idx].tfa_family = 2;
handles_local[dev_idx].spkr_count = 2;
handles_local[dev_idx].daimap = TFA98XX_DAI_TDM;
tfa9888_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x97:
/* tfa9897 */
handles_local[dev_idx].support_drc = SUPPORT_NO;
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_TDM;
tfa9897_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x96:
/* tfa9896 */
handles_local[dev_idx].support_drc = SUPPORT_NO;
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_TDM;
tfa9896_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x92:
/* tfa9891 */
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap =
(TFA98XX_DAI_PDM | TFA98XX_DAI_I2S);
tfa9891_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x91:
/* tfa9890B */
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap =
(TFA98XX_DAI_PDM | TFA98XX_DAI_I2S);
break;
case 0x80:
case 0x81:
/* tfa9890 */
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_I2S;
handles_local[dev_idx].support_drc = SUPPORT_NO;
handles_local[dev_idx].support_framework = SUPPORT_NO;
tfa9890_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x12:
/* tfa9895 */
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_I2S;
tfa9895_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x13:
/* tfa9912 */
handles_local[dev_idx].tfa_family = 2;
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_TDM;
tfa9912_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
case 0x94:
/* tfa9894 */
handles_local[dev_idx].tfa_family = 2;
handles_local[dev_idx].spkr_count = 1;
handles_local[dev_idx].daimap = TFA98XX_DAI_TDM;
tfa9894_ops(&handles_local[dev_idx].dev_ops);
/* register device operations */
break;
default:
pr_err("unknown device type : 0x%02x\n",
handles_local[dev_idx].rev);
_ASSERT(0);
break;
}
}
#if defined(TFADSP_DSP_BUFFER_POOL)
enum tfa98xx_error tfa_buffer_pool(int index, int size, int control)
{
int dev, devcount = tfa98xx_cnt_max_device();
switch (control) {
case POOL_ALLOC: /* allocate */
for (dev = 0; dev < devcount; dev++) {
handles_local[dev].buf_pool[index].pool =
kmalloc(size, GFP_KERNEL);
if (handles_local[dev]
.buf_pool[index].pool == NULL) {
handles_local[dev]
.buf_pool[index].size = 0;
handles_local[dev]
.buf_pool[index].in_use = 1;
pr_err("%s: dev %d - buffer_pool[%d] - kmalloc error %d bytes\n",
__func__, dev, index, size);
return TFA98XX_ERROR_FAIL;
}
pr_info("%s: dev %d - buffer_pool[%d] - kmalloc allocated %d bytes\n",
__func__, dev, index, size);
handles_local[dev].buf_pool[index].size = size;
handles_local[dev].buf_pool[index].in_use = 0;
}
break;
case POOL_FREE: /* deallocate */
for (dev = 0; dev < devcount; dev++) {
if (handles_local[dev]
.buf_pool[index].pool != NULL)
kfree(handles_local[dev]
.buf_pool[index].pool);
pr_info("%s: dev %d - buffer_pool[%d] - kfree\n",
__func__, dev, index);
handles_local[dev].buf_pool[index].pool = NULL;
handles_local[dev].buf_pool[index].size = 0;
handles_local[dev].buf_pool[index].in_use = 0;
}
break;
default:
pr_info("%s: wrong control\n", __func__);
break;
}
return TFA98XX_ERROR_OK;
}
int tfa98xx_buffer_pool_access(tfa98xx_handle_t handle,
int r_index, size_t g_size, int control)
{
int index;
switch (control) {
case POOL_GET: /* get */
for (index = 0; index < POOL_MAX_INDEX; index++) {
if (handles_local[handle]
.buf_pool[index].in_use)
continue;
if (handles_local[handle]
.buf_pool[index].size < g_size)
continue;
handles_local[handle]
.buf_pool[index].in_use = 1;
pr_debug("%s: dev %d - get buffer_pool[%d]\n",
__func__, handle, index);
return index;
}
pr_info("%s: dev %d - failed to get buffer_pool\n",
__func__, handle);
break;
case POOL_RETURN: /* return */
if (handles_local[handle]
.buf_pool[r_index].in_use == 0) {
pr_info("%s: dev %d - buffer_pool[%d] is not in use\n",
__func__, handle, r_index);
break;
}
pr_debug("%s: dev %d - return buffer_pool[%d]\n",
__func__, handle, r_index);
memset(handles_local[handle].buf_pool[r_index].pool,
0, handles_local[handle].buf_pool[r_index].size);
handles_local[handle].buf_pool[r_index].in_use = 0;
return 0;
default:
pr_info("%s: wrong control\n", __func__);
break;
}
return TFA_ERROR;
}
#endif /* TFADSP_DSP_BUFFER_POOL */
/*
* lookup the device type and return the family type
*/
int tfa98xx_dev2family(int dev_type)
{
/* only look at the die ID part (lsb byte) */
switch (dev_type & 0xff) {
case 0x12:
case 0x80:
case 0x81:
case 0x91:
case 0x92:
case 0x97:
case 0x96:
return 1;
case 0x88:
case 0x72:
case 0x13:
case 0x74:
case 0x94:
return 2;
case 0x50:
return 3;
default:
return 0;
}
}
int tfa98xx_dev_family(tfa98xx_handle_t dev_idx)
{
return handles_local[dev_idx].tfa_family;
}
unsigned short tfa98xx_dev_revision(tfa98xx_handle_t dev_idx)
{
return handles_local[dev_idx].rev;
}
void tfa98xx_set_spkr_select(tfa98xx_handle_t dev_idx, char *configuration)
{
char first_letter;
/* 4=Left, 2=Right, 1=none, 0=default */
if (configuration == NULL) {
handles_local[dev_idx].spkr_select = 0;
} else {
first_letter = (char)tolower((unsigned char)configuration[0]);
switch (first_letter) {
case 'b': /* SC / both -> apply primary to secondary */
handles_local[dev_idx].spkr_select = 8;
handles_local[dev_idx].spkr_count = 2;
break;
case 'l':
case 'p': /* DS / left -> only use primary channel */
handles_local[dev_idx].spkr_select = 4;
handles_local[dev_idx].spkr_count = 1;
break;
case 'r':
case 's': /* DP / right -> only use secondary channel */
handles_local[dev_idx].spkr_select = 2;
handles_local[dev_idx].spkr_count = 1;
break;
case 'd': /* DC / disable -> skip applying to both */
handles_local[dev_idx].spkr_select = 1;
handles_local[dev_idx].spkr_count = 2;
break;
default:
handles_local[dev_idx].spkr_select = 0;
handles_local[dev_idx].spkr_count = 2;
break;
}
}
}
void tfa_mock_probe(int dev_idx, unsigned short revid, int slave_address)
{
handles_local[dev_idx].slave_address = (unsigned char)slave_address*2;
handles_local[dev_idx].rev = revid;
tfa_set_query_info(dev_idx);
}
enum tfa98xx_error
tfa_soft_probe(int dev_idx, int revid)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
error = tfa_cont_get_slave
(dev_idx, &handles_local[dev_idx].slave_address);
handles_local[dev_idx].slave_address *= 2;
if (error)
return error;
handles_local[dev_idx].rev = (unsigned short)revid;
tfa_set_query_info(dev_idx);
return error;
}
/*
* TODO The slave/cnt check in tfa98xx_register_dsp()
* should be done here in tfa_probe()
*/
enum tfa98xx_error
tfa_probe(unsigned char slave_address, tfa98xx_handle_t *p_handle)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int rev;
int idx;
_ASSERT(p_handle != NULL);
*p_handle = -1;
/* when available select index used in container file */
idx = tfa98xx_cnt_slave2idx(slave_address >> 1);
if (idx < 0)
idx = 0; /* when no container file, use first instance */
if (handles_local[idx].in_use == 1)
return TFA98XX_ERROR_IN_USE;
handles_local[idx].in_use = 1;
switch (slave_address) {
case TFA98XX_GENERIC_SLAVE_ADDRESS: /* same as (0x0E << 1) test adr */
case 0x68:
case 0x6A:
case 0x6C:
case 0x6E:
case (0x1a << 1):
/* TODO implement foreign i2c addressing like uda1355 */
handles_local[idx].buffer_size = NXP_I2C_BufferSize();
handles_local[idx].slave_address = slave_address;
/* this can be the very first read, so check error here */
rev = TFA_READ_REG(idx, REV);
if (rev < 0) /* returns negative if error */
error = -rev;
if (error != TFA98XX_ERROR_OK) {
handles_local[idx].in_use = 0;
pr_debug("Error: Unable to read revid from slave:0x%02x\n",
slave_address/2);
return error;
}
handles_local[idx].rev = (unsigned short) rev;
*p_handle = idx;
error = TFA98XX_ERROR_OK;
#ifdef __KERNEL__ /* don't spam userspace with information */
tfa98xx_trace_printk("slave:0x%02x revid:0x%04x\n",
slave_address, rev);
pr_debug("slave:0x%02x revid:0x%04x\n", slave_address, rev);
#endif
break;
default:
pr_info("Unknown slave address!\n");
/* wrong slave address */
error = TFA98XX_ERROR_BAD_PARAMETER;
}
tfa_set_query_info(idx);
handles_local[idx].in_use = 0;
return error;
}
enum tfa98xx_error
tfa98xx_open(tfa98xx_handle_t handle)
{
if (tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_IN_USE;
handles_local[handle].in_use = 1;
return TFA98XX_ERROR_OK;
}
/*
* close
*/
enum tfa98xx_error tfa98xx_close(tfa98xx_handle_t handle)
{
if (tfa98xx_handle_is_open(handle)) {
handles_local[handle].in_use = 0;
return TFA98XX_ERROR_OK;
}
return TFA98XX_ERROR_NOT_OPEN;
}
/*
* return the target address for the filter on this device
*
* filter_index:
* [0..9] reserved for EQ (not deployed, calc. is available)
* [10..12] anti-alias filter
* [13] integrator filter
*/
enum tfa98xx_dmem
tfa98xx_filter_mem(tfa98xx_handle_t dev,
int filter_index, unsigned short *address, int channel)
{
enum tfa98xx_dmem dmem = -1;
int idx;
unsigned short bq_table[7][4] = {
/* index: 10, 11, 12, 13 */
{ 346, 351, 356, 288}, /* 87 BRA_MAX_MRA4-2_7.00 */
{ 346, 351, 356, 288}, /* 90 BRA_MAX_MRA6_9.02 */
{ 467, 472, 477, 409}, /* 95 BRA_MAX_MRA7_10.02 */
{ 406, 411, 416, 348}, /* 97 BRA_MAX_MRA9_12.01 */
{ 467, 472, 477, 409}, /* 91 BRA_MAX_MRAA_13.02 */
{8832, 8837, 8842, 8847}, /* 88 part1 */
{8853, 8858, 8863, 8868} /* 88 part2 */
/* Since the 88 is stereo we have 2 parts.
* Every index has 5 values except index 13
* this one has 6 values
*/
};
if ((filter_index >= 10) && (filter_index <= 13)) {
dmem = TFA98XX_DMEM_YMEM; /* for all devices */
idx = filter_index - 10;
switch (handles_local[dev].rev & 0xff) {
/* only compare lower byte */
case 0x12:
*address = bq_table[2][idx];
break;
case 0x97:
*address = bq_table[3][idx];
break;
case 0x96:
*address = bq_table[3][idx];
break;
case 0x80:
case 0x81: /* for the RAM version */
case 0x91:
*address = bq_table[1][idx];
break;
case 0x92:
*address = bq_table[4][idx];
break;
case 0x88:
/* Channel 1 = primary, 2 = secondary */
if (channel == 1)
*address = bq_table[5][idx];
else
*address = bq_table[6][idx];
break;
case 0x72:
default:
/* unsupported case, possibly intermediate version */
return TFA98XX_DMEM_ERR;
_ASSERT(0);
}
}
return dmem;
}
/************************ query functions *******************************/
/* no device involved */
/**
* return revision
*/
void tfa98xx_rev(int *major, int *minor, int *revision)
{
char version_str[] = TFA98XX_API_REV_STR;
char residual[20] = {'\0'};
int ret;
ret = sscanf(version_str, "v%d.%d.%d-%s",
major, minor, revision, residual);
if (ret != 4)
pr_err("%s: failure reading API revision", __func__);
}
/**
* Return the maximum nr of devices (SC39786)
* TODO get from cnt: now only called from contOpen
*/
int tfa98xx_max_devices(void)
{
return MAX_HANDLES;
}
/* return the device revision id
*/
unsigned short tfa98xx_get_device_revision(tfa98xx_handle_t handle)
{
/* local function. Caller must make sure handle is valid */
return handles_local[handle].rev;
}
/**
* return the device digital audio interface (DAI) type bitmap
*/
enum tfa98xx_dai_bitmap tfa98xx_get_device_dai(tfa98xx_handle_t handle)
{
/* local function. Caller must make sure handle is valid */
return handles_local[handle].daimap;
}
/**
* tfa98xx_supported_speakers
* returns the number of the supported speaker count
*/
enum tfa98xx_error
tfa98xx_supported_speakers(tfa98xx_handle_t handle, int *spkr_count)
{
if (tfa98xx_handle_is_open(handle))
*spkr_count = handles_local[handle].spkr_count;
else
return TFA98XX_ERROR_NOT_OPEN;
if ((handles_local[handle].rev & 0xff) == 0x72) {
if (tfa98xx_cnt_max_device() > 1)
*spkr_count = 2;
else
*spkr_count = 1;
}
return TFA98XX_ERROR_OK;
}
/**
* tfa98xx_supported_dai
* returns the bitmap of the supported Digital Audio Interfaces
*/
enum tfa98xx_error
tfa98xx_supported_dai(tfa98xx_handle_t handle,
enum tfa98xx_dai_bitmap *daimap)
{
if (tfa98xx_handle_is_open(handle))
*daimap = handles_local[handle].daimap;
else
return TFA98XX_ERROR_NOT_OPEN;
return TFA98XX_ERROR_OK;
}
/*
* tfa98xx_supported_saam
* returns the supportedspeaker as microphone feature
*/
enum tfa98xx_error
tfa98xx_supported_saam(tfa98xx_handle_t handle,
enum tfa98xx_saam *saam)
{
int features;
enum tfa98xx_error error;
if (handles_local[handle].support_saam == SUPPORT_NOT_SET) {
error = tfa98xx_dsp_get_hw_feature_bits(handle, &features);
if (error != TFA98XX_ERROR_OK)
return error;
handles_local[handle].support_saam =
(features & 0x8000) ? SUPPORT_YES : SUPPORT_NO;
/* SAAM is bit15 */
}
*saam = handles_local[handle].support_saam == SUPPORT_YES ?
TFA98XX_SAAM : TFA98XX_SAAM_NONE;
return TFA98XX_ERROR_OK;
}
/*
* tfa98xx_set_saam_use_case
* sets use case of saam: 0: not in use, 1: RaM / SaM only, 2: bidirectional
*/
enum tfa98xx_error tfa98xx_set_saam_use_case(int samstream)
{
int dev, devcount = tfa98xx_cnt_max_device();
pr_info("%s: set saam_use_case=%d\n", __func__, samstream);
if (devcount < 1) {
pr_err("No or wrong container file loaded\n");
return TFA98XX_ERROR_BAD_PARAMETER;
}
for (dev = 0; dev < devcount; dev++)
handles_local[dev].saam_use_case = samstream;
return TFA98XX_ERROR_OK;
}
/*
* tfa98xx_set_stream_state
* sets the stream: b0: pstream (Rx), b1: cstream (Tx), b2: samstream (SaaM)
*/
enum tfa98xx_error tfa98xx_set_stream_state(int stream_state)
{
int dev, devcount = tfa98xx_cnt_max_device();
pr_debug("%s: set stream_state=0x%04x\n", __func__, stream_state);
if (devcount < 1) {
pr_err("No or wrong container file loaded\n");
return TFA98XX_ERROR_BAD_PARAMETER;
}
for (dev = 0; dev < devcount; dev++)
handles_local[dev].stream_state = stream_state;
return TFA98XX_ERROR_OK;
}
/*
* tfa98xx_compare_features
* Obtains features_from_MTP and features_from_cnt
*/
enum tfa98xx_error
tfa98xx_compare_features(tfa98xx_handle_t handle,
int features_from_MTP[3], int features_from_cnt[3])
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
uint32_t value;
uint16_t mtpbf;
unsigned char bytes[3 * 2];
/* int sw_feature_bits[2]; // cached feature bits data */
/* int hw_feature_bits; // cached feature bits data */
/* Set proper MTP location per device: */
if (tfa98xx_dev_family(handle) == 1)
mtpbf = 0x850f; /* MTP5 for tfa1,16 bits */
else
mtpbf = 0xf907; /* MTP9 for tfa2, 8 bits */
/* Read HW features from MTP: */
value = tfa_read_reg(handle, mtpbf) & 0xffff;
features_from_MTP[0] = handles_local[handle].hw_feature_bits = value;
/* Read SW features: */
error = tfa_dsp_cmd_id_write_read(handle, MODULE_FRAMEWORK,
FW_PAR_ID_GET_FEATURE_INFO, sizeof(bytes), bytes);
if (error != TFA98XX_ERROR_OK)
return error;
/* old ROM code may respond with TFA98XX_ERROR_RPC_PARAM_ID */
tfa98xx_convert_bytes2data(sizeof(bytes), bytes, &features_from_MTP[1]);
/* check if feature bits from MTP match feature bits from cnt file: */
get_hw_features_from_cnt(handle, &features_from_cnt[0]);
get_sw_features_from_cnt(handle, &features_from_cnt[1]);
return error;
}
/*************************** device specific ops ***************************/
/* the wrapper for DspReset, in case of full */
enum tfa98xx_error tfa98xx_dsp_reset(tfa98xx_handle_t dev_idx, int state)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (tfa98xx_handle_is_open(dev_idx)) {
if (handles_local[dev_idx].dev_ops.tfa_dsp_reset)
error = (*handles_local[dev_idx]
.dev_ops.tfa_dsp_reset)(dev_idx, state);
else
/* generic function */
TFA_SET_BF_VOLATILE(dev_idx, RST, (uint16_t)state);
}
return error;
}
/* tfa98xx_dsp_system_stable
* return: *ready = 1 when clocks are stable to allow DSP subsystem access
* This is the clean, default static
*/
static enum tfa98xx_error _tfa98xx_dsp_system_stable(tfa98xx_handle_t handle,
int *ready)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
unsigned short status;
int value;
/* check the contents of the STATUS register */
value = TFA_READ_REG(handle, AREFS);
if (value < 0) {
error = -value;
*ready = 0;
_ASSERT(error); /* an error here can be fatal */
return error;
}
status = (unsigned short)value;
/* check AREFS and CLKS: not ready if either is clear */
*ready = !((TFA_GET_BF_VALUE(handle, AREFS, status) == 0)
|| (TFA_GET_BF_VALUE(handle, CLKS, status) == 0));
return error;
}
/* the ops wrapper for tfa98xx_faim_protect */
enum tfa98xx_error tfa98xx_faim_protect(tfa98xx_handle_t handle, int state)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (tfa98xx_handle_is_open(handle))
if (handles_local[handle].dev_ops.faim_protect)
error = (*handles_local[handle]
.dev_ops.faim_protect)(handle, state);
return error;
}
/* deferred calibration */
void tfa98xx_apply_deferred_calibration(tfa98xx_handle_t handle)
{
struct tfa98xx_controls *controls =
&(handles_local[handle].dev_ops.controls);
enum tfa98xx_error err = TFA98XX_ERROR_OK;
unsigned short value;
if (controls->otc.deferrable && controls->otc.triggered) {
pr_debug("Deferred writing otc = %d\n", controls->otc.wr_value);
err = tfa98xx_set_mtp(handle,
(uint16_t)controls->otc.wr_value
<< TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_POS,
1 << TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_POS);
if (err != TFA98XX_ERROR_OK) {
pr_err("Unable to apply deferred MTP OTC write. Error=%d\n",
err);
} else {
controls->otc.triggered = false;
controls->otc.rd_valid = true;
err = tfa98xx_get_mtp(handle, &value);
if (err == TFA98XX_ERROR_OK)
controls->otc.rd_value =
(value & TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_MSK)
>> TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_POS;
else
controls->otc.rd_value = controls->otc.wr_value;
}
}
if (controls->mtpex.deferrable && controls->mtpex.triggered) {
pr_debug("Deferred writing mtpex = %d\n",
controls->mtpex.wr_value);
err = tfa98xx_set_mtp(handle,
(uint16_t)controls->mtpex.wr_value
<< TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_POS,
1 << TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_POS);
if (err != TFA98XX_ERROR_OK) {
pr_err("Unable to apply deferred MTPEX write. Rrror=%d\n",
err);
} else {
controls->mtpex.triggered = false;
controls->mtpex.rd_valid = true;
err = tfa98xx_get_mtp(handle, &value);
if (err == TFA98XX_ERROR_OK)
controls->mtpex.rd_value =
(value & TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_MSK)
>> TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_POS;
else
controls->mtpex.rd_value =
controls->mtpex.wr_value;
}
}
if (controls->calib.triggered) {
controls->calib.wr_value = true;
err = tfa_calibrate(handle);
if (err) {
pr_info("Deferred calibration failed: %d\n", err);
controls->calib.rd_valid = true; /* result available */
controls->calib.rd_value = false; /* result not valid */
} else {
controls->calib.triggered = false;
pr_debug("Deferred calibration ok\n");
controls->calib.rd_valid = true; /* result available */
controls->calib.rd_value = true; /* result not valid */
}
}
}
/* the ops wrapper for tfa98xx_dsp_SystemStable */
enum tfa98xx_error
tfa98xx_dsp_system_stable(tfa98xx_handle_t dev_idx, int *ready)
{
enum tfa98xx_error error;
if (!tfa98xx_handle_is_open(dev_idx))
return TFA98XX_ERROR_NOT_OPEN;
if (handles_local[dev_idx].dev_ops.tfa_dsp_system_stable)
error = (*handles_local[dev_idx]
.dev_ops.tfa_dsp_system_stable)(dev_idx, ready);
else
/* generic function */
error = _tfa98xx_dsp_system_stable(dev_idx, ready);
return error;
}
/* the ops wrapper for tfa98xx_dsp_SystemStable */
int tfa98xx_cf_enabled(tfa98xx_handle_t dev_idx)
{
if (!tfa98xx_handle_is_open(dev_idx))
return TFA98XX_ERROR_NOT_OPEN;
return TFA_GET_BF(dev_idx, CFE);
}
/*
* bring the device into a state similar to reset
*/
enum tfa98xx_error tfa98xx_init(tfa98xx_handle_t handle)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
uint16_t value = 0;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
/* reset all i2C registers to default
* Write the register directly to avoid read in the bitfield function.
* The I2CR bit may overwrite full register because it is reset anyway.
* This will save a reg read transaction.
*/
TFA_SET_BF_VALUE(handle, I2CR, 1, &value);
TFA_WRITE_REG(handle, I2CR, value);
if (tfa98xx_dev_family(handle) == 2) {
/* restore MANSCONF and MANCOLD to POR state */
TFA_SET_BF_VOLATILE(handle, MANSCONF, 0);
TFA_SET_BF_VOLATILE(handle, MANCOLD, 1);
} else {
/* Mark TFA1 family chips OTC and MTPEX calibration accesses
* as deferrable, since these registers cannot be accesed
* while the I2S link is not up and running
*/
handles_local[handle].dev_ops.controls.otc.deferrable = true;
handles_local[handle].dev_ops.controls.mtpex.deferrable = true;
}
/* Put DSP in reset */
tfa98xx_dsp_reset(handle, 1); /* in pair of tfa_run_start_dsp() */
/* some other registers must be set for optimal amplifier behaviour
* This is implemented in a file specific for the type number
*/
if (handles_local[handle].dev_ops.tfa_init)
error = (*handles_local[handle].dev_ops.tfa_init)(handle);
/* TODO warning here? */
return error;
}
enum tfa98xx_error
tfa98xx_dsp_write_tables(tfa98xx_handle_t handle, int sample_rate)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (handles_local[handle].dev_ops.tfa_dsp_write_tables)
error = (*handles_local[handle]
.dev_ops.tfa_dsp_write_tables)(handle, sample_rate);
return error;
}
/** Set internal oscillator into power down mode.
*
* @param[in] tfa device description structure
* @param[in] state new state 0 - oscillator is on, 1 oscillator is off.
*
* @return Tfa98xx_Error_Ok when successful, error otherwise.
*/
enum tfa98xx_error
tfa98xx_set_osc_powerdown(tfa98xx_handle_t handle, int state)
{
enum tfa98xx_error ret = TFA98XX_ERROR_OK;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (handles_local[handle].dev_ops.set_osc_powerdown)
ret = handles_local[handle]
.dev_ops.set_osc_powerdown(handle, state);
else
ret = TFA98XX_ERROR_NOT_IMPLEMENTED;
return ret;
}
/********************* new tfa2 ***********************************/
/* newly added messaging for tfa2 tfa1? */
enum tfa98xx_error
tfa98xx_dsp_get_memory(tfa98xx_handle_t handle, int memory_type,
int offset, int length, unsigned char bytes[])
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
char msg[12];
msg[0] = 8;
msg[1] = MODULE_FRAMEWORK + 128;
msg[2] = FW_PAR_ID_GET_MEMORY;
msg[3] = 0;
msg[4] = 0;
msg[5] = (char)memory_type;
msg[6] = 0;
msg[7] = (offset >> 8) & 0xff;
msg[8] = offset & 0xff;
msg[9] = 0;
msg[10] = (length >> 8) & 0xff;
msg[11] = length & 0xff;
/* send msg */
error = dsp_msg(handle, sizeof(msg), (char *)msg);
if (error != TFA98XX_ERROR_OK)
return error;
/* read the data from the device (length * 3 = words) */
error = dsp_msg_read(handle, length * 3, bytes);
return error;
}
enum tfa98xx_error
tfa98xx_dsp_set_memory(tfa98xx_handle_t handle, int memory_type,
int offset, int length, int value)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
char msg[15];
msg[0] = 8;
msg[1] = MODULE_FRAMEWORK + 128;
msg[2] = FW_PAR_ID_SET_MEMORY;
msg[3] = 0;
msg[4] = 0;
msg[5] = (char)memory_type;
msg[6] = 0;
msg[7] = (offset >> 8) & 0xff;
msg[8] = offset & 0xff;
msg[9] = 0;
msg[10] = (length >> 8) & 0xff;
msg[11] = length & 0xff;
msg[12] = (value >> 16) & 0xff;
msg[13] = (value >> 8) & 0xff;
msg[14] = value & 0xff;
/* send msg */
error = dsp_msg(handle, sizeof(msg), (char *)msg);
return error;
}
/****************************** calibration support **************************/
/*
* get/set the mtp with user controllable values
*
* check if the relevant clocks are available
*/
enum tfa98xx_error tfa98xx_get_mtp(tfa98xx_handle_t handle, uint16_t *value)
{
int result;
/* not possible if PLL in powerdown */
if (TFA_GET_BF(handle, PWDN)) {
pr_debug("PLL in powerdown\n");
return TFA98XX_ERROR_NO_CLOCK;
}
result = TFA_READ_REG(handle, MTP0);
if (result < 0)
return -result;
*value = (uint16_t)result;
return TFA98XX_ERROR_OK;
}
/*
* lock or unlock KEY2
* lock = 1 will lock
* lock = 0 will unlock
*
* note that on return all the hidden key will be off
*/
void tfa98xx_key2(tfa98xx_handle_t handle, int lock)
{
/* unhide lock registers */
reg_write(handle, (tfa98xx_dev_family(handle) == 1) ?
0x40 : 0x0F, 0x5A6B);
/* lock/unlock key2 MTPK */
TFA_WRITE_REG(handle, MTPKEY2, lock ? 0 : 0x5A);
/* unhide lock registers */
reg_write(handle, (tfa98xx_dev_family(handle) == 1) ? 0x40 : 0x0F, 0);
}
enum tfa98xx_error
tfa98xx_set_mtp(tfa98xx_handle_t handle,
uint16_t value, uint16_t mask)
{
unsigned short mtp_old, mtp_new;
int loop, status = 0;
enum tfa98xx_error error;
error = tfa98xx_get_mtp(handle, &mtp_old);
if (error != TFA98XX_ERROR_OK)
return error;
mtp_new = (value & mask) | (mtp_old & ~mask);
pr_info("%s: MTP (old:0x%04x -> new:0x%04x)\n",
__func__, mtp_old, mtp_new);
if (mtp_old == mtp_new) /* no change */ {
if (tfa98xx_runtime_verbose)
pr_info("%s: no change in MTP. no value written!\n",
__func__);
return TFA98XX_ERROR_OK;
}
/* assure FAIM is enabled (enable it when neccesery) */
error = tfa98xx_faim_protect(handle, 1);
if (error) {
pr_info("%s: error in enabling FAIM protection!\n",
__func__);
return error;
}
if (tfa98xx_runtime_verbose)
pr_debug("%s: MTP clock enabled\n", __func__);
/* assure clock is up; otherwise writing MTP is voided */
error = tfa98xx_dsp_system_stable(handle, &status);
if (error) {
pr_info("%s: DSP system is not stable!\n", __func__);
return error;
}
if (status == 0) {
pr_info("%s: clock is not ready!\n", __func__);
return TFA98XX_ERROR_NO_CLOCK;
}
tfa98xx_key2(handle, 0); /* unlock */
TFA_WRITE_REG(handle, MTP0, mtp_new); /* write to i2c shadow reg */
/* CIMTP=1 start copying all the data from i2c regs_mtp to mtp */
TFA_SET_BF(handle, CIMTP, 1);
/* no check for MTPBUSY here, i2c delay assumed to be enough */
tfa98xx_key2(handle, 1); /* lock */
/* wait until MTP write is done
*/
error = TFA98XX_ERROR_STATE_TIMED_OUT;
for (loop = 0; loop < 100/*x10ms*/; loop++) {
msleep_interruptible(10); /* wait 10ms to avoid busload */
if ((handles_local[handle].rev & 0xff) == 0x94) {
if (tfa_get_bf(handle, TFA9894_BF_MTPB) == 0)
return TFA98XX_ERROR_OK;
} else {
if (TFA_GET_BF(handle, MTPB) == 0)
return TFA98XX_ERROR_OK;
}
}
if (error) {
pr_info("%s: time out in writing MTP!\n", __func__);
return error;
}
/* assure FAIM is disabled (disable it when neccesery) */
error = tfa98xx_faim_protect(handle, 0);
if (error) {
pr_info("%s: error in disabling FAIM protection!\n",
__func__);
return error;
}
if (tfa98xx_runtime_verbose)
pr_debug("%s: MTP clock disabled\n", __func__);
return error;
}
/*
* clear mtpex
* set ACS
* start tfa
*/
enum tfa98xx_error tfa_calibrate(tfa98xx_handle_t handle)
{
enum tfa98xx_error error;
/* clear mtpex */
error = tfa98xx_set_mtp(handle, 0,
TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_MSK);
if (error)
return error;
/* set RST=1 to trigger recalibration */
TFA_SET_BF(handle, RST, 1);
/* set ACS/coldboot state */
error = tfa_run_coldboot(handle, 1);
/* start tfa by playing */
return error;
}
static short twos(short x)
{
return (x < 0) ? x + 512 : x;
}
void tfa98xx_set_exttemp(tfa98xx_handle_t handle, short ext_temp)
{
if ((-256 <= ext_temp) && (ext_temp <= 255)) {
/* make twos complement */
pr_debug("Using ext temp %d C\n", twos(ext_temp));
TFA_SET_BF(handle, TROS, 1);
TFA_SET_BF(handle, EXTTS, twos(ext_temp));
} else {
pr_debug("Clearing ext temp settings\n");
TFA_SET_BF(handle, TROS, 0);
}
}
short tfa98xx_get_exttemp(tfa98xx_handle_t handle)
{
short ext_temp = (short)TFA_GET_BF(handle, EXTTS);
return twos(ext_temp);
}
/************* tfa simple bitfield interfacing ********************/
/* convenience functions */
enum tfa98xx_error
tfa98xx_set_volume_level(tfa98xx_handle_t handle, unsigned short vol)
{
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (vol > 255) /* restricted to 8 bits */
vol = 255;
/* 0x00 -> 0.0 dB
* 0x01 -> -0.5 dB
* ...
* 0xFE -> -127dB
* 0xFF -> muted
*/
/* volume value is in the top 8 bits of the register */
return -TFA_SET_BF(handle, VOL, (uint16_t)vol);
}
static enum tfa98xx_error
tfa98xx_set_mute_tfa2(tfa98xx_handle_t handle, enum tfa98xx_mute mute)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
switch (mute) {
case TFA98XX_MUTE_OFF:
if (handles_local[handle].dev_ops.set_mute) {
handles_local[handle].dev_ops.set_mute(handle, 0);
} else {
TFA_SET_BF(handle, INTSMUTE, 0);
TFA_SET_BF(handle, CFSMR, 0);
TFA_SET_BF(handle, CFSML, 0);
}
break;
case TFA98XX_MUTE_AMPLIFIER:
case TFA98XX_MUTE_DIGITAL:
if (handles_local[handle].dev_ops.set_mute) {
handles_local[handle].dev_ops.set_mute(handle, 1);
} else {
TFA_SET_BF(handle, INTSMUTE, 1);
TFA_SET_BF(handle, CFSMR, 1);
TFA_SET_BF(handle, CFSML, 1);
}
break;
default:
return TFA98XX_ERROR_BAD_PARAMETER;
}
return error;
}
static enum tfa98xx_error
tfa98xx_set_mute_tfa1(tfa98xx_handle_t handle, enum tfa98xx_mute mute)
{
enum tfa98xx_error error;
unsigned short audioctrl_value;
unsigned short sysctrl_value;
int value;
value = TFA_READ_REG(handle, CFSM); /* audio control register */
if (value < 0)
return -value;
audioctrl_value = (unsigned short)value;
value = TFA_READ_REG(handle, AMPE); /* system control register */
if (value < 0)
return -value;
sysctrl_value = (unsigned short)value;
switch (mute) {
case TFA98XX_MUTE_OFF:
/* previous state can be digital or amplifier mute,
* clear the cf_mute and set the enbl_amplifier bits
*
* To reduce PLOP at power on it is needed to switch the
* amplifier on with the DCDC in follower mode
* (enbl_boost = 0 ?).
* This workaround is also needed when toggling the
* powerdown bit!
*/
TFA_SET_BF_VALUE(handle, CFSM, 0, &audioctrl_value);
TFA_SET_BF_VALUE(handle, AMPE, 1, &sysctrl_value);
TFA_SET_BF_VALUE(handle, DCA, 1, &sysctrl_value);
break;
case TFA98XX_MUTE_DIGITAL:
/* expect the amplifier to run */
/* set the cf_mute bit */
TFA_SET_BF_VALUE(handle, CFSM, 1, &audioctrl_value);
/* set the enbl_amplifier bit */
TFA_SET_BF_VALUE(handle, AMPE, 1, &sysctrl_value);
/* clear active mode */
TFA_SET_BF_VALUE(handle, DCA, 0, &sysctrl_value);
break;
case TFA98XX_MUTE_AMPLIFIER:
/* clear the cf_mute bit */
TFA_SET_BF_VALUE(handle, CFSM, 0, &audioctrl_value);
/* clear the enbl_amplifier bit and active mode */
TFA_SET_BF_VALUE(handle, AMPE, 0, &sysctrl_value);
TFA_SET_BF_VALUE(handle, DCA, 0, &sysctrl_value);
break;
default:
return TFA98XX_ERROR_BAD_PARAMETER;
}
error = -TFA_WRITE_REG(handle, CFSM, audioctrl_value);
if (error)
return error;
error = -TFA_WRITE_REG(handle, AMPE, sysctrl_value);
return error;
}
enum tfa98xx_error
tfa98xx_set_mute(tfa98xx_handle_t handle, enum tfa98xx_mute mute)
{
if (!tfa98xx_handle_is_open(handle)) {
pr_err("device with handle %d is not opened\n", (int)handle);
return TFA98XX_ERROR_NOT_OPEN;
}
if (tfa98xx_dev_family(handle) == 1)
return tfa98xx_set_mute_tfa1(handle, mute);
else
return tfa98xx_set_mute_tfa2(handle, mute);
}
/****************** patching ******************/
#if defined(LOAD_PATCH_FOR_FULL_VERSION)
static enum tfa98xx_error
tfa98xx_process_patch_file(tfa98xx_handle_t handle, int length,
const unsigned char *bytes)
{
unsigned short size;
int index = 0;
enum tfa98xx_error error = TFA98XX_ERROR_OK;
while (index < length) {
size = bytes[index] + bytes[index + 1] * 256;
index += 2;
if ((index + size) > length) {
/* outside the buffer, error in the input data */
return TFA98XX_ERROR_BAD_PARAMETER;
}
if (size > handles_local[handle].buffer_size) {
/* too big, must fit buffer */
return TFA98XX_ERROR_BAD_PARAMETER;
}
error = tfa98xx_write_raw(handle, size, &bytes[index]);
if (error != TFA98XX_ERROR_OK)
break;
index += size;
}
return error;
}
/* the patch contains a header with the following
* IC revision register: 1 byte, 0xFF means don't care
* XMEM address to check: 2 bytes, big endian, 0xFFFF means don't care
* XMEM value to expect: 3 bytes, big endian
*/
static enum tfa98xx_error
tfa98xx_check_ic_rom_version(tfa98xx_handle_t handle,
const unsigned char patchheader[])
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
unsigned short checkrev, revid;
unsigned char lsb_revid;
unsigned short checkaddress;
int checkvalue;
int value = 0;
checkrev = patchheader[0];
lsb_revid = handles_local[handle].rev & 0xff;
/* only compare lower byte */
if ((checkrev != 0xFF) && (checkrev != lsb_revid))
return TFA98XX_ERROR_NOT_SUPPORTED;
checkaddress = (patchheader[1] << 8) + patchheader[2];
checkvalue =
(patchheader[3] << 16) + (patchheader[4] << 8) + patchheader[5];
if (checkaddress != 0xFFFF) {
/* read register to check the correct ROM version */
if (error == TFA98XX_ERROR_OK) {
error =
mem_read(handle, checkaddress, 1, &value);
}
if (error == TFA98XX_ERROR_OK) {
if (value != checkvalue) {
pr_err("patch file romid type check failed [0x%04x]: expected 0x%02x, actual 0x%02x\n",
checkaddress, value, checkvalue);
error = TFA98XX_ERROR_NOT_SUPPORTED;
}
}
} else { /* == 0xffff */
/* check if the revid subtype is in there */
if (checkvalue != 0xFFFFFF && checkvalue != 0) {
revid = patchheader[5] << 8 | patchheader[0];
/* full revid */
if (revid != handles_local[handle].rev) {
pr_err("patch file device type check failed: expected 0x%02x, actual 0x%02x\n",
handles_local[handle].rev, revid);
return TFA98XX_ERROR_NOT_SUPPORTED;
}
}
}
return error;
}
#endif /* (LOAD_PATCH_FOR_FULL_VERSION) */
#define PATCH_HEADER_LENGTH 6
enum tfa98xx_error
tfa_dsp_patch(tfa98xx_handle_t handle, int patch_length,
const unsigned char *patch_bytes)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
#if defined(LOAD_PATCH_FOR_FULL_VERSION)
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (patch_length < PATCH_HEADER_LENGTH)
return TFA98XX_ERROR_BAD_PARAMETER;
error = tfa98xx_check_ic_rom_version(handle, patch_bytes);
if (error != TFA98XX_ERROR_OK)
return error;
pr_info("%s: write patch for full DSP function\n",
__func__);
error = tfa98xx_process_patch_file
(handle, patch_length - PATCH_HEADER_LENGTH,
patch_bytes + PATCH_HEADER_LENGTH);
if (error != TFA98XX_ERROR_OK)
pr_err("%s: error in writing patch (%d)\n",
__func__, error);
#else
pr_info("%s: skipped writing patch for boosting only\n",
__func__);
#endif /* (LOAD_PATCH_FOR_FULL_VERSION) */
return error;
}
/****************** end patching ******************/
TFA_INTERNAL enum tfa98xx_error
tfa98xx_wait_result(tfa98xx_handle_t handle, int wait_retry_count)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int cf_status; /* the contents of the CF_STATUS register */
int tries = 0;
do {
cf_status = TFA_GET_BF(handle, ACK);
if (cf_status < 0)
error = -cf_status;
tries++;
/* i2c_cmd_ack */
/* don't wait forever, DSP is pretty quick to respond (< 1ms) */
} while ((error == TFA98XX_ERROR_OK)
&& ((cf_status & CF_STATUS_I2C_CMD_ACK) == 0)
&& (tries < wait_retry_count));
if (tries >= wait_retry_count) {
/* something wrong with communication with DSP */
error = TFA98XX_ERROR_DSP_NOT_RUNNING;
}
return error;
}
/*
* * support functions for data conversion
*/
/**
* convert memory bytes to signed 24 bit integers
* input: bytes contains "num_bytes" byte elements
* output: data contains "num_bytes/3" int24 elements
*/
void tfa98xx_convert_bytes2data(int num_bytes,
const unsigned char bytes[], int data[])
{
int i; /* index for data */
int k; /* index for bytes */
int d;
int num_data = num_bytes / 3;
_ASSERT((num_bytes % 3) == 0);
for (i = 0, k = 0; i < num_data; ++i, k += 3) {
d = (bytes[k] << 16) | (bytes[k + 1] << 8) | (bytes[k + 2]);
_ASSERT(d >= 0);
_ASSERT(d < (1 << 24)); /* max 24 bits in use */
if (bytes[k] & 0x80) /* sign bit was set */
d = -((1 << 24) - d);
data[i] = d;
}
}
/**
* convert signed 24 bit integers to 32bit aligned bytes
* input: data contains "num_bytes/3" int24 elements
* output: bytes contains "num_bytes" byte elements
*/
void tfa98xx_convert_data2bytes(int num_data, const int data[],
unsigned char bytes[])
{
int i; /* index for data */
int k; /* index for bytes */
int d;
/* note: cannot just take the lowest 3 bytes from the 32 bit
* integer, because also need to take care of clipping any
* value > 2&23
*/
for (i = 0, k = 0; i < num_data; ++i, k += 3) {
if (data[i] >= 0)
d = MIN(data[i], (1 << 23) - 1);
else {
/* 2's complement */
d = (1 << 24) - MIN(-data[i], 1 << 23);
}
_ASSERT(d >= 0);
_ASSERT(d < (1 << 24)); /* max 24 bits in use */
bytes[k] = (d >> 16) & 0xFF; /* MSB */
bytes[k + 1] = (d >> 8) & 0xFF;
bytes[k + 2] = (d) & 0xFF; /* LSB */
}
}
/*
* DSP RPC message support functions
* depending on framework to be up and running
* need base i2c of memaccess (tfa1=0x70/tfa2=0x90)
*/
/* write dsp messages in function tfa_dsp_msg() */
/* note the 'old' write_parameter() was more efficient
* because all i2c was in one burst transaction
*/
/* TODO properly handle bitfields: state should be restored! */
/* (now it will change eg dmesg field to xmem) */
enum tfa98xx_error tfa_dsp_msg_write(tfa98xx_handle_t handle,
int length, const char *buffer)
{
int offset = 0;
int chunk_size = ROUND_DOWN(handles_local[handle].buffer_size, 3);
/* XMEM word size */
int remaining_bytes = length;
enum tfa98xx_error error = TFA98XX_ERROR_OK;
uint16_t cfctl;
int value;
value = TFA_READ_REG(handle, DMEM);
if (value < 0) {
error = -value;
return error;
}
cfctl = (uint16_t)value;
/* assume no I2C errors from here */
TFA_SET_BF_VALUE(handle, DMEM, (uint16_t)TFA98XX_DMEM_XMEM, &cfctl);
/* set cf ctl to DMEM */
TFA_SET_BF_VALUE(handle, AIF, 0, &cfctl); /* set to autoincrement */
TFA_WRITE_REG(handle, DMEM, cfctl);
/* xmem[1] is start of message
* direct write to register to save cycles avoiding read-modify-write
*/
TFA_WRITE_REG(handle, MADD, 1);
/* due to autoincrement in cf_ctrl, next write will happen at
* the next address
*/
while ((error == TFA98XX_ERROR_OK) && (remaining_bytes > 0)) {
if (remaining_bytes < chunk_size)
chunk_size = remaining_bytes;
/* else chunk_size remains at initialize value above */
error = tfa98xx_write_data
(handle, FAM_TFA98XX_CF_MEM,
chunk_size, (const unsigned char *)buffer + offset);
remaining_bytes -= chunk_size;
offset += chunk_size;
}
/* notify the DSP */
if (error == TFA98XX_ERROR_OK) {
/* cf_int=0, cf_aif=0, cf_dmem=XMEM=01, cf_rst_dsp=0 */
/* set the cf_req1 and cf_int bit */
TFA_SET_BF_VALUE(handle, REQCMD, 0x01, &cfctl); /* bit 0 */
TFA_SET_BF_VALUE(handle, CFINT, 1, &cfctl);
error = -TFA_WRITE_REG(handle, CFINT, cfctl);
}
return error;
}
enum tfa98xx_error
tfa_dsp_msg_write_id(tfa98xx_handle_t handle,
int length, const char *buffer, uint8_t cmdid[3])
{
int offset = 0;
int chunk_size = ROUND_DOWN(handles_local[handle].buffer_size, 3);
/* XMEM word size */
int remaining_bytes = length;
enum tfa98xx_error error = TFA98XX_ERROR_OK;
uint16_t cfctl;
int value;
value = TFA_READ_REG(handle, DMEM);
if (value < 0) {
error = -value;
return error;
}
cfctl = (uint16_t)value;
/* assume no I2C errors from here */
TFA_SET_BF_VALUE(handle, DMEM, (uint16_t)TFA98XX_DMEM_XMEM, &cfctl);
/* set cf ctl to DMEM */
TFA_SET_BF_VALUE(handle, AIF, 0, &cfctl); /* set to autoincrement */
TFA_WRITE_REG(handle, DMEM, cfctl);
/* xmem[1] is start of message
* direct write to register to save cycles avoiding read-modify-write
*/
TFA_WRITE_REG(handle, MADD, 1);
/* write cmd-id */
error = tfa98xx_write_data
(handle, FAM_TFA98XX_CF_MEM, 3, (const unsigned char *)cmdid);
/* due to autoincrement in cf_ctrl, next write will happen at
* the next address
*/
while ((error == TFA98XX_ERROR_OK) && (remaining_bytes > 0)) {
if (remaining_bytes < chunk_size)
chunk_size = remaining_bytes;
/* else chunk_size remains at initialize value above */
error = tfa98xx_write_data
(handle, FAM_TFA98XX_CF_MEM,
chunk_size, (const unsigned char *)buffer + offset);
remaining_bytes -= chunk_size;
offset += chunk_size;
}
/* notify the DSP */
if (error == TFA98XX_ERROR_OK) {
/* cf_int=0, cf_aif=0, cf_dmem=XMEM=01, cf_rst_dsp=0 */
/* set the cf_req1 and cf_int bit */
TFA_SET_BF_VALUE(handle, REQCMD, 0x01, &cfctl); /* bit 0 */
TFA_SET_BF_VALUE(handle, CFINT, 1, &cfctl);
error = -TFA_WRITE_REG(handle, CFINT, cfctl);
}
return error;
}
/*
* status function used by tfa_dsp_msg() to retrieve command/msg status:
* return a <0 status of the DSP did not ACK.
*/
enum tfa98xx_error
tfa_dsp_msg_status(tfa98xx_handle_t handle, int *p_rpc_status)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
error = tfa98xx_wait_result(handle, 2); /* 2 is only one try */
if (error == TFA98XX_ERROR_DSP_NOT_RUNNING) {
*p_rpc_status = -1;
return TFA98XX_ERROR_OK;
} else if (error != TFA98XX_ERROR_OK)
return error;
error = tfa98xx_check_rpc_status(handle, p_rpc_status);
return error;
}
const char *tfa98xx_get_i2c_status_id_string(int status)
{
const char *p_id_str;
switch (status) {
case TFA98XX_DSP_NOT_RUNNING:
p_id_str = "No response from DSP";
break;
case TFA98XX_I2C_REQ_DONE:
p_id_str = "Ok";
break;
case TFA98XX_I2C_REQ_BUSY:
p_id_str = "Request is being processed";
break;
case TFA98XX_I2C_REQ_INVALID_M_ID:
p_id_str =
"Provided M-ID does not fit in valid range [0..2]";
break;
case TFA98XX_I2C_REQ_INVALID_P_ID:
p_id_str =
"Provided P-ID is not valid in the given M-ID context";
break;
case TFA98XX_I2C_REQ_INVALID_CC:
p_id_str =
"Invalid channel config bits (SC|DS|DP|DC) combination";
break;
case TFA98XX_I2C_REQ_INVALID_SEQ:
p_id_str =
"Invalid cmd sequence: DSP expected a specific order";
break;
case TFA98XX_I2C_REQ_INVALID_PARAM:
p_id_str = "Generic error";
break;
case TFA98XX_I2C_REQ_BUFFER_OVERFLOW:
p_id_str =
"I2C buffer overflowed: host sent too many parameters";
break;
default:
p_id_str = "Unspecified error";
}
return p_id_str;
}
enum tfa98xx_error
tfa_dsp_msg_read(tfa98xx_handle_t handle, int length, unsigned char *bytes)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int burst_size; /* number of words per burst size */
int bytes_per_word = 3;
int num_bytes;
int offset = 0;
unsigned short start_offset = 2; /* msg starts @xmem[2], [1]=cmd */
if (length > TFA2_MAX_PARAM_SIZE)
return TFA98XX_ERROR_BAD_PARAMETER;
TFA_SET_BF(handle, DMEM, (uint16_t)TFA98XX_DMEM_XMEM);
error = -TFA_WRITE_REG(handle, MADD, start_offset);
if (error != TFA98XX_ERROR_OK)
return error;
num_bytes = length; /* input param */
while (num_bytes > 0) {
burst_size = ROUND_DOWN(handles_local[handle].buffer_size,
bytes_per_word);
if (num_bytes < burst_size)
burst_size = num_bytes;
error = tfa98xx_read_data(handle, FAM_TFA98XX_CF_MEM,
burst_size, bytes + offset);
if (error != TFA98XX_ERROR_OK)
return error;
num_bytes -= burst_size;
offset += burst_size;
}
return error;
}
void tfa_dsp_msg_register(int dev_idx, dsp_msg_t func)
{
handles_local[dev_idx].dev_ops.dsp_msg = func;
}
void tfa_dsp_msg_read_register(int dev_idx, dsp_msg_read_t func)
{
handles_local[dev_idx].dev_ops.dsp_msg_read = func;
}
void tfa_dsp_reg_register(int dev_idx,
reg_read_t read_func, reg_write_t write_func)
{
handles_local[dev_idx].dev_ops.reg_read = read_func;
handles_local[dev_idx].dev_ops.reg_write = write_func;
}
void tfa_dsp_mem_register(int dev_idx,
mem_read_t read_func, mem_write_t write_func)
{
handles_local[dev_idx].dev_ops.mem_read = read_func;
handles_local[dev_idx].dev_ops.mem_write = write_func;
}
enum tfa98xx_error dsp_msg(tfa98xx_handle_t handle, int length, const char *buf)
{
enum tfa98xx_error error = 0;
static int lastmessage;
uint8_t *blob = NULL;
#if defined(TFADSP_DSP_BUFFER_POOL)
int blob_p_index = -1;
#endif
int i;
const char *tfadsp_buf;
int tfadsp_buf_size;
#if defined(TFADSP_DEBUG)
int n;
#endif
#if defined(TFADSP_32BITS)
int32_t *buf32 = NULL;
#if defined(TFADSP_DSP_BUFFER_POOL)
int buf32_p_index = -1;
#endif
int buf32_len;
#endif
if (handles_local[handle].saam_use_case == 1
|| (handles_local[handle].stream_state & BIT_PSTREAM) == 0) {
pr_debug("%s: skip in SaaM (RaM/SaM only)\n", __func__);
return error;
}
pr_debug("%s: length = %d\n", __func__, length);
tfadsp_buf = buf;
tfadsp_buf_size = length;
if ((handles_local[0].ext_dsp == 1)
&& (handles_local[handle].ext_dsp != 1)) {
pr_debug("%s: switch handle to master device (%d to 0)\n",
__func__, handle);
handle = 0; /* master device only */
}
#if defined(TFADSP_32BITS)
/*need bits conversion: 24 bits --> 32 bits */
buf32_len = (length/3)*4;
#if defined(TFADSP_DSP_BUFFER_POOL)
buf32_p_index = tfa98xx_buffer_pool_access
(handle, -1, buf32_len, POOL_GET);
if (buf32_p_index != -1) {
pr_debug("%s: allocated from buffer_pool[%d] for %d bytes\n",
__func__, buf32_p_index, buf32_len);
buf32 = (int32_t *)(handles_local[handle]
.buf_pool[buf32_p_index].pool);
} else {
buf32 = kmalloc(buf32_len, GFP_KERNEL);
if (buf32 == NULL)
goto dsp_msg_error_exit;
}
#else
buf32 = kmalloc(buf32_len, GFP_KERNEL);
if (buf32 == NULL)
goto dsp_msg_error_exit;
#endif /* TFADSP_DSP_BUFFER_POOL */
/*convert 24 bits -> 32 bits */
tfa_msg24to32(buf32, buf, length);
tfadsp_buf = (char *) buf32;
tfadsp_buf_size = buf32_len;
#endif /* (TFADSP_32BITS) */
if (handles_local[handle].dev_ops.dsp_msg) {
/* Only create multi-msg when the dsp is cold */
if (handles_local[handle].ext_dsp == 1) {
/* Creating the multi-msg */
lastmessage =
tfa_tib_dsp_msgblob
(handle, tfadsp_buf_size, tfadsp_buf);
if (lastmessage == TFA_ERROR)
goto dsp_msg_error_exit;
/* When the lastmessage is done
* we can send the multi-msg to the target
*/
if (lastmessage == 1) {
/* Get the full multi-msg data */
#if defined(TFADSP_DSP_BUFFER_POOL)
blob_p_index =
tfa98xx_buffer_pool_access
(handle, -1, 64*1024, POOL_GET);
if (blob_p_index != -1) {
pr_debug("%s: allocated from buffer_pool[%d] - blob\n",
__func__, blob_p_index);
blob = (uint8_t *)
(handles_local[handle]
.buf_pool
[blob_p_index].pool);
} else {
blob = kmalloc(64*1024,
GFP_KERNEL);
/* max length is 64k */
if (blob == NULL)
goto dsp_msg_error_exit;
}
tfadsp_buf_size =
tfa_tib_dsp_msgblob
(handle, -1,
(const char *)blob);
#else
blob = kmalloc(64*1024, GFP_KERNEL);
/* max length is 64k */
if (blob == NULL)
goto dsp_msg_error_exit;
tfadsp_buf_size =
tfa_tib_dsp_msgblob
(-1, tfadsp_buf_size,
(const char *)blob);
#endif /* TFADSP_DSP_BUFFER_POOL */
if (tfa98xx_runtime_verbose)
pr_debug("Last message for the multi-message received. Multi-message length=%d\n",
length);
#if defined(TFADSP_DSP_MSG_APR_PACKET_STRATEGY)
error = dsp_msg_packet(handle,
blob, tfadsp_buf_size);
#else
/* Send to the target selected */
if ((handles_local[handle]
.stream_state & BIT_PSTREAM) == 1) {
error = (*handles_local[handle]
.dev_ops.dsp_msg)
(handle,
tfadsp_buf_size,
(const char *)
/*tfadsp_buf*/blob);
} else {
pr_info("%s: skip when pstream is not active\n",
__func__);
}
#endif /* TFADSP_DSP_MSG_APR_PACKET_STRATEGY */
#if defined(TFADSP_DSP_BUFFER_POOL)
if (blob_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, blob_p_index,
0, POOL_RETURN);
blob_p_index = -1;
} else {
kfree(blob);
blob = NULL;
}
#else
kfree(blob); /* Free the kmalloc blob */
blob = NULL;
#endif /* TFADSP_DSP_BUFFER_POOL */
lastmessage = 0;
/* reset to be able to re-start */
}
} else {
if ((handles_local[handle]
.stream_state & BIT_PSTREAM) == 1) {
error = (*handles_local[handle]
.dev_ops.dsp_msg)
(handle, tfadsp_buf_size, tfadsp_buf);
} else {
pr_info("%s: skip when pstream is not active\n",
__func__);
}
}
} else {
if ((handles_local[handle].stream_state & BIT_PSTREAM) == 1) {
error = tfa_dsp_msg
(handle, tfadsp_buf_size, tfadsp_buf);
/* Use default */
} else {
pr_info("%s: skip when pstream is not active\n",
__func__);
}
}
#if defined(TFADSP_DEBUG)
#if defined(TFADSP_32BITS)
/*show buffer: 32 bits*/
pr_debug("%s: buf32_len = %d\n", __func__, tfadsp_buf_size);
n = (tfadsp_buf_size/4 >= 3) ? 3 : tfadsp_buf_size/4;
for (i = 0; i < n; i++)
pr_debug("%s: buf32[%d] = 0x%08x\n",
__func__, i, tfadsp_buf[i]);
#else
/*show buffer: 24 bits*/
pr_debug("%s: buf24_len = %d\n", __func__, tfadsp_buf_size);
n = (tfadsp_buf_size >= 9) ? 9 : tfadsp_buf_size;
for (i = 0; i < n; i++)
pr_debug("%s: buf24[%d] = 0x%02x\n",
__func__, i, tfadsp_buf[i]);
#endif
#endif
if (error == TFA98XX_ERROR_OK)
pr_debug("%s: OK\n", __func__);
else {
/* Get actual error code from softDSP */
error = (enum tfa98xx_error)
(error + TFA98XX_ERROR_BUFFER_RPC_BASE);
pr_info("%s: (rpc base %d) error = %d\n",
__func__, TFA98XX_ERROR_BUFFER_RPC_BASE, error);
}
#if defined(TFADSP_32BITS)
#if defined(TFADSP_DSP_BUFFER_POOL)
if (buf32_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, buf32_p_index, 0, POOL_RETURN);
buf32_p_index = -1;
} else {
if (buf32 != NULL)
kfree(buf32);
}
#else
if (buf32 != NULL)
kfree(buf32);
#endif /* TFADSP_DSP_BUFFER_POOL */
#endif /* (TFADSP_32BITS) */
if (tfa98xx_dsp_verbose) {
pr_debug("DSP w [%d]: ", length);
for (i = 0; i < length; i++)
pr_debug("0x%02x ", (uint8_t)buf[i]);
pr_debug("\n");
}
return error;
dsp_msg_error_exit:
pr_err("%s: exiting due to error\n", __func__);
if (lastmessage == TFA_ERROR)
pr_err("%s: error in merging messages\n", __func__);
else
pr_err("%s: can not allocate memory\n", __func__);
#if defined(TFADSP_32BITS)
#if defined(TFADSP_DSP_BUFFER_POOL)
if (buf32_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, buf32_p_index, 0, POOL_RETURN);
} else {
kfree(buf32);
}
#else
kfree(buf32);
#endif /* TFADSP_DSP_BUFFER_POOL */
#endif /* (TFADSP_32BITS) */
#if defined(TFADSP_DSP_BUFFER_POOL)
if (blob_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, blob_p_index, 0, POOL_RETURN);
} else {
kfree(blob);
}
#else
kfree(blob); /* Free the kmalloc blob */
#endif /* TFADSP_DSP_BUFFER_POOL */
return TFA98XX_ERROR_FAIL;
}
#if defined(TFADSP_DSP_MSG_APR_PACKET_STRATEGY)
enum tfa98xx_error dsp_msg_packet(tfa98xx_handle_t handle,
uint8_t *blob, int tfadsp_buf_size)
{
enum tfa98xx_error error = 0;
uint8_t *apr_buff = NULL, *apr_buff_last = NULL;
#if defined(TFADSP_DSP_BUFFER_POOL)
int apr_buff_p_index = -1;
#endif
int remaining_blob_size, tfadsp_buf_offset;
short packet_id, packet_size;
tfadsp_buf_offset = 0;
remaining_blob_size = tfadsp_buf_size;
packet_size = MAX_APR_MSG_SIZE - 4;
#if defined(TFADSP_DSP_BUFFER_POOL)
apr_buff_p_index = tfa98xx_buffer_pool_access(handle,
-1, MAX_APR_MSG_SIZE, POOL_GET);
if (apr_buff_p_index != -1) {
pr_debug("%s: allocated from buffer_pool[%d] - apr_buff\n",
__func__, apr_buff_p_index);
apr_buff = (uint8_t *)
(handles_local[handle].buf_pool[apr_buff_p_index].pool);
} else {
apr_buff = kmalloc(MAX_APR_MSG_SIZE, GFP_KERNEL);
if (apr_buff == NULL)
goto dsp_msg_packet_error_exit;
}
#else
apr_buff = kmalloc(MAX_APR_MSG_SIZE, GFP_KERNEL);
if (apr_buff == NULL)
goto dsp_msg_packet_error_exit;
#endif /* TFADSP_DSP_BUFFER_POOL */
for (packet_id = 0;
packet_id < (int)(tfadsp_buf_size / (MAX_APR_MSG_SIZE - 4));
packet_id++) {
pr_debug("packet[%d]: size (%d)\n", packet_id, packet_size);
apr_buff[0] = (uint8_t)(((packet_id + 1) >> 8) & 0xFF);
apr_buff[1] = (uint8_t)((packet_id + 1) & 0xFF);
apr_buff[2] = (uint8_t)((packet_size >> 8) & 0xFF);
apr_buff[3] = (uint8_t) (packet_size & 0xFF);
memcpy(apr_buff + 4, blob + tfadsp_buf_offset, packet_size);
if ((handles_local[handle].stream_state & BIT_PSTREAM) == 1) {
error = (*handles_local[handle].dev_ops.dsp_msg)
(handle, packet_size + 4,
(const char *)apr_buff);
} else {
pr_info("%s: skip dsp_msg when pstream is not active\n",
__func__);
}
tfadsp_buf_offset += packet_size;
remaining_blob_size -= packet_size;
}
#if defined(TFADSP_DSP_BUFFER_POOL)
if (apr_buff_p_index != -1) {
tfa98xx_buffer_pool_access(handle,
apr_buff_p_index, 0, POOL_RETURN);
apr_buff_p_index = -1;
} else {
kfree(apr_buff);
apr_buff = NULL;
}
#else
kfree(apr_buff);
apr_buff = NULL;
#endif /* TFADSP_DSP_BUFFER_POOL */
if (remaining_blob_size > 0) {
packet_size = remaining_blob_size;
#if defined(TFADSP_DSP_BUFFER_POOL)
apr_buff_p_index = tfa98xx_buffer_pool_access
(handle, -1, packet_size + 4, POOL_GET);
if (apr_buff_p_index != -1) {
pr_debug("%s: allocated from buffer_pool [%d] - apr_buff_last\n",
__func__, apr_buff_p_index);
apr_buff_last = (uint8_t *)(handles_local[handle]
.buf_pool[apr_buff_p_index].pool);
} else {
apr_buff_last = kmalloc(packet_size + 4, GFP_KERNEL);
if (apr_buff_last == NULL)
goto dsp_msg_packet_error_exit;
}
#else
apr_buff_last = kmalloc(packet_size + 4, GFP_KERNEL);
if (apr_buff_last == NULL)
goto dsp_msg_packet_error_exit;
#endif /* TFADSP_DSP_BUFFER_POOL */
pr_debug("packet[%d]: size (%d) - last\n",
packet_id, remaining_blob_size);
apr_buff_last[0] = 0xFF;
apr_buff_last[1] = 0xFF;
apr_buff_last[2] = (uint8_t)((packet_size >> 8) & 0xFF);
apr_buff_last[3] = (uint8_t)(packet_size & 0xFF);
memcpy(apr_buff_last + 4,
blob + tfadsp_buf_offset, remaining_blob_size);
if ((handles_local[handle].stream_state & BIT_PSTREAM) == 1) {
error = (*handles_local[handle].dev_ops.dsp_msg)
(handle, packet_size + 4,
(const char *)apr_buff_last);
} else {
pr_info("%s: skip dsp_msg when pstream is not active\n",
__func__);
}
tfadsp_buf_offset += packet_size;
remaining_blob_size = 0;
#if defined(TFADSP_DSP_BUFFER_POOL)
if (apr_buff_p_index != -1) {
tfa98xx_buffer_pool_access(handle,
apr_buff_p_index, 0, POOL_RETURN);
apr_buff_p_index = -1;
} else {
kfree(apr_buff_last);
apr_buff_last = NULL;
}
#else
kfree(apr_buff_last);
apr_buff_last = NULL;
#endif /* TFADSP_DSP_BUFFER_POOL */
}
return error;
dsp_msg_packet_error_exit:
pr_err("%s: can not allocate memory\n", __func__);
#if defined(TFADSP_DSP_BUFFER_POOL)
if (apr_buff_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, apr_buff_p_index, 0, POOL_RETURN);
} else {
kfree(apr_buff);
kfree(apr_buff_last);
}
#else
kfree(apr_buff);
kfree(apr_buff_last);
#endif /* TFADSP_DSP_BUFFER_POOL */
return TFA98XX_ERROR_FAIL;
}
#endif /* TFADSP_DSP_MSG_APR_PACKET_STRATEGY */
enum tfa98xx_error
dsp_msg_read(tfa98xx_handle_t handle, int length, unsigned char *bytes)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
unsigned char *tfadsp_buf;
int tfadsp_buf_size;
#if defined(TFADSP_32BITS)
int32_t *buf32;
#if defined(TFADSP_DSP_BUFFER_POOL)
int buf32_p_index = -1;
#endif
int buf32_len;
#endif
int i;
#if defined(TFADSP_DEBUG)
int n;
#endif
if (handles_local[handle].saam_use_case == 1) {
pr_info("%s: skip in SaaM (RaM / SaM only)\n",
__func__);
return error;
}
pr_debug("%s: length = %d\n", __func__, length);
tfadsp_buf = bytes;
tfadsp_buf_size = length;
if ((handles_local[0].ext_dsp == 1)
&& (handles_local[handle].ext_dsp != 1)) {
pr_debug("%s: switch handle to master device (%d to 0)\n",
__func__, handle);
handle = 0; /* master device only */
}
#if defined(TFADSP_32BITS)
buf32_len = (length/3)*4;
#if defined(TFADSP_DSP_BUFFER_POOL)
buf32_p_index = tfa98xx_buffer_pool_access
(handle, -1, buf32_len, POOL_GET);
if (buf32_p_index != -1) {
pr_debug("%s: allocated from buffer_pool[%d] for %d bytes\n",
__func__, buf32_p_index, buf32_len);
buf32 = (int32_t *)(handles_local[handle]
.buf_pool[buf32_p_index].pool);
} else {
buf32 = kmalloc(buf32_len, GFP_KERNEL);
if (buf32 == NULL)
goto dsp_msg_read_error_exit;
}
#else
buf32 = kmalloc(buf32_len, GFP_KERNEL);
if (buf32 == NULL)
goto dsp_msg_read_error_exit;
#endif /* TFADSP_DSP_BUFFER_POOL */
tfadsp_buf = (unsigned char *) buf32;
tfadsp_buf_size = buf32_len;
#endif /* TFADSP_32BITS */
if ((handles_local[handle].stream_state & BIT_PSTREAM) == 1) {
if (handles_local[handle].dev_ops.dsp_msg_read) {
/*dsp read msg*/
error = (*handles_local[handle].dev_ops.dsp_msg_read)(
handle, tfadsp_buf_size, tfadsp_buf);
if (error == TFA98XX_ERROR_OK)
pr_debug("%s: OK\n", __func__);
else {
/* Get actual error code from softDSP */
error = (enum tfa98xx_error)
(error + TFA98XX_ERROR_BUFFER_RPC_BASE);
pr_info("%s: (rpc base %d) error = %d\n",
__func__,
TFA98XX_ERROR_BUFFER_RPC_BASE, error);
}
} else {
error = tfa_dsp_msg_read
(handle, tfadsp_buf_size, tfadsp_buf);
/* Use default */
}
} else {
pr_debug("%s: skip when pstream is not active\n",
__func__);
}
#if defined(TFADSP_32BITS)
for (i = 0; i < 6; i++)
pr_debug("%s: buf32bits[%d] = 0x%08x\n",
__func__, i, tfadsp_buf[i]);
/*convert 32 bits -> 24 bits */
tfa_msg32to24(bytes, (uint8_t *)tfadsp_buf, tfadsp_buf_size);
for (i = 0; i < 6; i++)
pr_debug("%s: buf24bits[%d] = 0x%08x\n", __func__, i, bytes[i]);
#if defined(TFADSP_DEBUG)
pr_debug("%s: buf32_len = %d\n",
__func__, tfadsp_buf_size);
n = (tfadsp_buf_size/4 >= 3) ? 3 : tfadsp_buf_size/4;
for (i = 0; i < n; i++)
pr_debug("%s: buf32[%d] = 0x%08x\n",
__func__, i, tfadsp_buf[i]);
pr_debug("%s: buf24_len = %d\n",
__func__, length);
n = (length >= 9) ? 9 : length;
for (i = 0; i < n; i++)
pr_debug("%s: buf24[%d] = 0x%02x\n",
__func__, i, bytes[i]);
#endif
#if defined(TFADSP_DSP_BUFFER_POOL)
if (buf32_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, buf32_p_index, 0, POOL_RETURN);
} else {
kfree(buf32);
}
#else
if (buf32 != NULL)
kfree(buf32);
#endif /* TFADSP_DSP_BUFFER_POOL */
#endif /* (TFADSP_32BITS) */
if (tfa98xx_dsp_verbose) {
pr_debug("DSP R [%d]: ", length);
for (i = 0; i < length; i++)
pr_debug("0x%02x ", (uint8_t)bytes[i]);
pr_debug("\n");
}
return error;
#if defined(TFADSP_32BITS)
dsp_msg_read_error_exit:
pr_err("%s: can not allocate memory\n", __func__);
return TFA98XX_ERROR_FAIL;
#endif /* (TFADSP_32BITS) */
}
enum tfa98xx_error
reg_read(tfa98xx_handle_t handle,
unsigned char subaddress, unsigned short *value)
{
enum tfa98xx_error error;
if (handles_local[handle].dev_ops.reg_read) {
error = (*handles_local[handle]
.dev_ops.reg_read)(handle, subaddress, value);
if (error != TFA98XX_ERROR_OK)
error = (enum tfa98xx_error)
(error + TFA98XX_ERROR_BUFFER_RPC_BASE);
/* Get actual error code from softDSP */
} else {
error = tfa98xx_read_register16(handle, subaddress, value);
/* Use default */
}
return error;
}
enum tfa98xx_error
reg_write(tfa98xx_handle_t handle,
unsigned char subaddress, unsigned short value)
{
enum tfa98xx_error error;
if (handles_local[handle].dev_ops.reg_write) {
error = (*handles_local[handle]
.dev_ops.reg_write)(handle, subaddress, value);
if (error != TFA98XX_ERROR_OK)
error = (enum tfa98xx_error)
(error + TFA98XX_ERROR_BUFFER_RPC_BASE);
/* Get actual error code from softDSP */
} else {
error = tfa98xx_write_register16(handle, subaddress, value);
/* Use default */
}
return error;
}
enum tfa98xx_error
mem_read(tfa98xx_handle_t handle, unsigned int start_offset,
int num_words, int *p_values)
{
enum tfa98xx_error error;
if (handles_local[handle].dev_ops.mem_read) {
error = (*handles_local[handle].dev_ops.mem_read)
(handle, start_offset, num_words, p_values);
if (error != TFA98XX_ERROR_OK)
error = (enum tfa98xx_error)
(error + TFA98XX_ERROR_BUFFER_RPC_BASE);
/* Get actual error code from softDSP */
} else {
error = tfa98xx_dsp_read_mem
(handle, start_offset, num_words, p_values);
/* Use default */
}
return error;
}
enum tfa98xx_error
mem_write(tfa98xx_handle_t handle,
unsigned short address, int value, int memtype)
{
enum tfa98xx_error error;
if (handles_local[handle].dev_ops.mem_write) {
error = (*handles_local[handle].dev_ops.mem_write)
(handle, address, value, memtype);
if (error != TFA98XX_ERROR_OK)
error = (enum tfa98xx_error)
(error + TFA98XX_ERROR_BUFFER_RPC_BASE);
/* Get actual error code from softDSP */
} else {
error = tfa98xx_dsp_write_mem_word
(handle, address, value, memtype);
/* Use default */
}
return error;
}
/*
* write/read raw msg functions :
* the buffer is provided in little endian format, each word
* occupying 3 bytes, length is in bytes.
* functions will return immediately and do not not wait for DSP response.
*/
#define MAX_WORDS (300)
enum tfa98xx_error
tfa_dsp_msg(tfa98xx_handle_t handle, int length, const char *buf)
{
enum tfa98xx_error error;
int tries, rpc_status = TFA98XX_I2C_REQ_DONE;
/* write the message and notify the DSP */
error = tfa_dsp_msg_write(handle, length, buf);
if (error != TFA98XX_ERROR_OK)
return error;
/* get the result from the DSP (polling) */
for (tries = TFA98XX_WAITRESULT_NTRIES; tries > 0; tries--) {
error = tfa_dsp_msg_status(handle, &rpc_status);
if (error == TFA98XX_ERROR_OK
&& rpc_status == TFA98XX_I2C_REQ_DONE)
break;
/* If the rpc status is a specific error we want to know it.
* If it is busy or not running it should retry
*/
if (rpc_status != TFA98XX_I2C_REQ_BUSY
&& rpc_status != TFA98XX_DSP_NOT_RUNNING)
break;
}
/* if (tfa98xx_runtime_verbose)
* pr_debug("Number of tries: %d\n",
* TFA98XX_WAITRESULT_NTRIES-tries);
*/
if (rpc_status != TFA98XX_I2C_REQ_DONE) {
/* DSP RPC call returned an error */
error = (enum tfa98xx_error)
(rpc_status + TFA98XX_ERROR_BUFFER_RPC_BASE);
pr_debug("DSP msg status: %d (%s)\n", rpc_status,
tfa98xx_get_i2c_status_id_string(rpc_status));
}
return error;
}
/**
* write/read raw msg functions:
* the buffer is provided in little endian format, each word
* occupying 3 bytes, length is in bytes.
* functions will return immediately and do not not wait for DSP ressponse.
* An ID is added to modify the command-ID
*/
enum tfa98xx_error
tfa_dsp_msg_id(tfa98xx_handle_t handle,
int length, const char *buf, uint8_t cmdid[3])
{
enum tfa98xx_error error;
int tries, rpc_status = TFA98XX_I2C_REQ_DONE;
/* write the message and notify the DSP */
error = tfa_dsp_msg_write_id(handle, length, buf, cmdid);
if (error != TFA98XX_ERROR_OK)
return error;
/* get the result from the DSP (polling) */
for (tries = TFA98XX_WAITRESULT_NTRIES; tries > 0; tries--) {
error = tfa_dsp_msg_status(handle, &rpc_status);
if (error == TFA98XX_ERROR_OK
&& rpc_status == TFA98XX_I2C_REQ_DONE)
break;
}
/* if (tfa98xx_runtime_verbose)
* pr_debug("Number of tries: %d\n",
* TFA98XX_WAITRESULT_NTRIES-tries);
*/
if (rpc_status != TFA98XX_I2C_REQ_DONE) {
/* DSP RPC call returned an error */
error = (enum tfa98xx_error)
(rpc_status + TFA98XX_ERROR_BUFFER_RPC_BASE);
pr_debug("DSP msg status: %d (%s)\n", rpc_status,
tfa98xx_get_i2c_status_id_string(rpc_status));
}
return error;
}
/* read the return code for the RPC call */
TFA_INTERNAL enum tfa98xx_error
tfa98xx_check_rpc_status(tfa98xx_handle_t handle, int *p_rpc_status)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
/* the value to sent to the * CF_CONTROLS register: cf_req=00000000,
* cf_int=0, cf_aif=0, cf_dmem=XMEM=01, cf_rst_dsp=0
*/
unsigned short cf_ctrl = 0x0002;
/* memory address to be accessed (0: Status, 1: ID, 2: parameters) */
unsigned short cf_mad = 0x0000;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (p_rpc_status == 0)
return TFA98XX_ERROR_BAD_PARAMETER;
/* 1) write DMEM=XMEM to the DSP XMEM */
{
/* minimize the number of I2C transactions
* by making use of the autoincrement in I2C
*/
unsigned char buffer[4];
/* first the data for CF_CONTROLS */
buffer[0] = (unsigned char)((cf_ctrl >> 8) & 0xFF);
buffer[1] = (unsigned char)(cf_ctrl & 0xFF);
/* write the contents of CF_MAD which is the subaddress
* following CF_CONTROLS
*/
buffer[2] = (unsigned char)((cf_mad >> 8) & 0xFF);
buffer[3] = (unsigned char)(cf_mad & 0xFF);
error = tfa98xx_write_data
(handle, FAM_TFA98XX_CF_CONTROLS,
sizeof(buffer), buffer);
}
if (error == TFA98XX_ERROR_OK) {
/* read 1 word (24 bit) from XMEM */
error = tfa98xx_dsp_read_mem(handle, 0, 1, p_rpc_status);
}
return error;
}
/***************************** xmem only **********************************/
enum tfa98xx_error
tfa98xx_dsp_read_mem(tfa98xx_handle_t handle,
unsigned int start_offset, int num_words, int *p_values)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
unsigned char *bytes;
int burst_size; /* number of words per burst size */
const int bytes_per_word = 3;
int dmem;
int num_bytes;
int *p;
bytes = kmalloc(num_words*bytes_per_word, GFP_KERNEL);
if (bytes == NULL)
return TFA98XX_ERROR_FAIL;
/* If no offset is given, assume XMEM! */
if (((start_offset >> 16) & 0xf) > 0)
dmem = (start_offset >> 16) & 0xf;
else
dmem = TFA98XX_DMEM_XMEM;
/* Remove offset from address */
start_offset = start_offset & 0xffff;
num_bytes = num_words * bytes_per_word;
p = p_values;
TFA_SET_BF(handle, DMEM, (uint16_t)dmem);
error = -TFA_WRITE_REG(handle, MADD, (unsigned short)start_offset);
if (error != TFA98XX_ERROR_OK)
goto tfa98xx_dsp_read_mem_exit;
for (; num_bytes > 0;) {
burst_size = ROUND_DOWN(handles_local[handle].buffer_size,
bytes_per_word);
if (num_bytes < burst_size)
burst_size = num_bytes;
_ASSERT(burst_size <= sizeof(bytes));
error = tfa98xx_read_data(handle, FAM_TFA98XX_CF_MEM,
burst_size, bytes);
if (error != TFA98XX_ERROR_OK)
goto tfa98xx_dsp_read_mem_exit;
tfa98xx_convert_bytes2data(burst_size, bytes, p);
num_bytes -= burst_size;
p += burst_size / bytes_per_word;
}
tfa98xx_dsp_read_mem_exit:
kfree(bytes);
return error;
}
enum tfa98xx_error
tfa98xx_dsp_write_mem_word(tfa98xx_handle_t handle,
unsigned short address, int value, int memtype)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
unsigned char bytes[3];
TFA_SET_BF(handle, DMEM, (uint16_t)memtype);
error = -TFA_WRITE_REG(handle, MADD, address);
if (error != TFA98XX_ERROR_OK)
return error;
tfa98xx_convert_data2bytes(1, &value, bytes);
error = tfa98xx_write_data(handle, FAM_TFA98XX_CF_MEM, 3, bytes);
return error;
}
enum tfa98xx_error
tfa_cont_write_filterbank(int device, struct tfa_filter *filter)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
#if defined(LOAD_FILTERBANK_FOR_TUNING)
unsigned char biquad_index;
pr_info("%s: write filterbank for full DSP function\n",
__func__);
for (biquad_index = 0; biquad_index < 10; biquad_index++) {
if (filter[biquad_index].enabled) {
error = tfa_dsp_cmd_id_write
(device, MODULE_BIQUADFILTERBANK,
biquad_index + 1, /* start @1 */
sizeof(filter[biquad_index].biquad.bytes),
filter[biquad_index].biquad.bytes);
} else {
error = tfa98xx_dsp_biquad_disable
(device, biquad_index + 1);
}
if (error) {
pr_err("%s: error in writing filterbank (%d)\n",
__func__, error);
return error;
}
}
#else
pr_info("%s: skipped writing filterbank for boosting only\n",
__func__);
#endif /* (LOAD_FILTERBANK_FOR_TUNING) */
return error;
}
#if defined(LOAD_FILTERBANK_FOR_TUNING)
enum tfa98xx_error
tfa98xx_dsp_biquad_disable(tfa98xx_handle_t handle, int biquad_index)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int coeff_buffer[BIQUAD_COEFF_SIZE];
unsigned char bytes[3 + BIQUAD_COEFF_SIZE * 3];
if (biquad_index > TFA98XX_BIQUAD_NUM)
return TFA98XX_ERROR_BAD_PARAMETER;
if (biquad_index < 1)
return TFA98XX_ERROR_BAD_PARAMETER;
/* make opcode */
/* set in correct order and format for the DSP */
coeff_buffer[0] = (int) -8388608; /* -1.0f */
coeff_buffer[1] = 0;
coeff_buffer[2] = 0;
coeff_buffer[3] = 0;
coeff_buffer[4] = 0;
coeff_buffer[5] = 0;
/* convert to packed 24 bits data */
tfa98xx_convert_data2bytes(BIQUAD_COEFF_SIZE, coeff_buffer, &bytes[3]);
bytes[0] = 0;
bytes[1] = MODULE_BIQUADFILTERBANK + 128;
bytes[2] = (unsigned char)biquad_index;
error = dsp_msg(handle, 3 + BIQUAD_COEFF_SIZE * 3, (char *)bytes);
return error;
}
#endif /* (LOAD_FILTERBANK_FOR_TUNING) */
/* wrapper for dsp_msg that adds opcode */
enum tfa98xx_error tfa_dsp_cmd_id_write(tfa98xx_handle_t handle,
unsigned char module_id,
unsigned char param_id, int num_bytes,
const unsigned char data[])
{
enum tfa98xx_error error;
unsigned char *buffer;
#if defined(TFADSP_DSP_BUFFER_POOL)
int buffer_p_index = -1;
#endif
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
#if defined(TFADSP_DSP_BUFFER_POOL)
buffer_p_index = tfa98xx_buffer_pool_access
(handle, -1, 3 + num_bytes, POOL_GET);
if (buffer_p_index != -1) {
pr_debug("%s: allocated from buffer_pool[%d] for %d bytes\n",
__func__, buffer_p_index, 3 + num_bytes);
buffer = (unsigned char *)
(handles_local[handle].buf_pool[buffer_p_index].pool);
} else {
buffer = kmalloc(3 + num_bytes, GFP_KERNEL);
if (buffer == NULL)
goto dsp_cmd_id_write_error_exit;
}
#else
buffer = kmalloc(3 + num_bytes, GFP_KERNEL);
if (buffer == NULL)
goto dsp_cmd_id_write_error_exit;
#endif /* TFADSP_DSP_BUFFER_POOL */
buffer[0] = handles_local[handle].spkr_select;
buffer[1] = module_id + 128;
buffer[2] = param_id;
memcpy(&buffer[3], data, num_bytes);
error = dsp_msg(handle, 3 + num_bytes, (char *)buffer);
#if defined(TFADSP_DSP_BUFFER_POOL)
if (buffer_p_index != -1) {
tfa98xx_buffer_pool_access
(handle, buffer_p_index, 0, POOL_RETURN);
} else {
kfree(buffer);
}
#else
kfree(buffer);
#endif /* TFADSP_DSP_BUFFER_POOL */
return error;
dsp_cmd_id_write_error_exit:
pr_err("%s: can not allocate memory\n", __func__);
return TFA98XX_ERROR_FAIL;
}
EXPORT_SYMBOL(tfa_dsp_cmd_id_write);
/* wrapper for dsp_msg that adds opcode */
/* this is as the former tfa98xx_dsp_get_param() */
enum tfa98xx_error tfa_dsp_cmd_id_write_read(tfa98xx_handle_t handle,
unsigned char module_id,
unsigned char param_id, int num_bytes,
unsigned char data[])
{
enum tfa98xx_error error;
unsigned char buffer[3];
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
buffer[0] = handles_local[handle].spkr_select;
buffer[1] = module_id + 128;
buffer[2] = param_id;
if (((handles_local[handle].rev & 0xff) == 0x72)
&& (tfa98xx_cnt_max_device() == 1)
&& (param_id == SB_PARAM_GET_RE25C ||
param_id == SB_PARAM_GET_LSMODEL ||
param_id == SB_PARAM_GET_ALGO_PARAMS)) {
/* Modifying the ID for GetRe25C */
buffer[0] = 4; /* CC: 4 (DS) for mono */
} else {
if (tfa98xx_cnt_max_device() == 2)
buffer[0] = 0; /* CC: 0 (reset all) for stereo */
}
error = dsp_msg(handle, sizeof(unsigned char[3]), (char *)buffer);
if (error != TFA98XX_ERROR_OK)
return error;
/* read the data from the dsp */
error = dsp_msg_read(handle, num_bytes, data);
return error;
}
EXPORT_SYMBOL(tfa_dsp_cmd_id_write_read);
/* wrapper for dsp_msg that adds opcode and 3 bytes required for coefs */
enum tfa98xx_error tfa_dsp_cmd_id_coefs(tfa98xx_handle_t handle,
unsigned char module_id,
unsigned char param_id, int num_bytes,
unsigned char data[])
{
enum tfa98xx_error error;
unsigned char buffer[6];
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
buffer[0] = handles_local[handle].spkr_select;
buffer[1] = module_id + 128;
buffer[2] = param_id;
buffer[3] = 0;
buffer[4] = 0;
buffer[5] = 0;
error = dsp_msg(handle, sizeof(unsigned char[6]), (char *)buffer);
if (error != TFA98XX_ERROR_OK)
return error;
/* read the data from the dsp */
error = dsp_msg_read(handle, num_bytes, data);
return error;
}
/* wrapper for dsp_msg that adds opcode; 3 bytes required for MBDrcDynamics */
enum tfa98xx_error tfa_dsp_cmd_id_mbdrc_dynamics(tfa98xx_handle_t handle,
unsigned char module_id,
unsigned char param_id, int index_subband,
int num_bytes, unsigned char data[])
{
enum tfa98xx_error error;
unsigned char buffer[6];
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
buffer[0] = handles_local[handle].spkr_select;
buffer[1] = module_id + 128;
buffer[2] = param_id;
buffer[3] = 0;
buffer[4] = 0;
buffer[5] = (unsigned char)index_subband;
error = dsp_msg(handle, sizeof(unsigned char[6]), (char *)buffer);
if (error != TFA98XX_ERROR_OK)
return error;
/* read the data from the dsp */
error = dsp_msg_read(handle, num_bytes, data);
return error;
}
enum tfa98xx_error
tfa98xx_dsp_write_preset(tfa98xx_handle_t handle, int length,
const unsigned char *p_preset_bytes)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (p_preset_bytes != 0) {
/* by design: keep the data opaque and no
* interpreting/calculation
*/
error = tfa_dsp_cmd_id_write(handle, MODULE_SPEAKERBOOST,
SB_PARAM_SET_PRESET, length,
p_preset_bytes);
} else {
error = TFA98XX_ERROR_BAD_PARAMETER;
}
return error;
}
/*
* get features from MTP
*/
enum tfa98xx_error
tfa98xx_dsp_get_hw_feature_bits(tfa98xx_handle_t handle, int *features)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
uint32_t value;
uint16_t mtpbf;
/* return the cache data if it's valid */
if (handles_local[handle].hw_feature_bits != -1) {
*features = handles_local[handle].hw_feature_bits;
} else {
mtpbf = 0xf907; /* MTP9 for tfa2, 8 bits */
value = tfa_read_reg(handle, mtpbf) & 0xffff;
*features = handles_local[handle].hw_feature_bits = value;
}
return error;
}
enum tfa98xx_error
tfa98xx_dsp_get_sw_feature_bits(tfa98xx_handle_t handle, int features[2])
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
unsigned char bytes[3 * 2];
/* return the cache data if it's valid */
if (handles_local[handle].sw_feature_bits[0] != -1) {
features[0] = handles_local[handle].sw_feature_bits[0];
features[1] = handles_local[handle].sw_feature_bits[1];
} else {
error = tfa_dsp_cmd_id_write_read(handle, MODULE_FRAMEWORK,
FW_PAR_ID_GET_FEATURE_INFO,
sizeof(bytes), bytes);
if (error != TFA98XX_ERROR_OK) {
/* old ROM code may respond
* with TFA98XX_ERROR_RPC_PARAM_ID
*/
return error;
}
tfa98xx_convert_bytes2data(sizeof(bytes), bytes, features);
}
return error;
}
enum tfa98xx_error
tfa98xx_dsp_get_state_info(tfa98xx_handle_t handle,
unsigned char bytes[], unsigned int *statesize)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int b_support_framework = 0;
unsigned int state_size = 9;
err = tfa98xx_dsp_support_framework(handle, &b_support_framework);
if (err == TFA98XX_ERROR_OK) {
if (b_support_framework) {
err = tfa_dsp_cmd_id_write_read(handle,
MODULE_FRAMEWORK,
FW_PARAM_GET_STATE, 3 * state_size, bytes);
} else {
/* old ROM code, ask SpeakerBoost and
* only do first portion
*/
state_size = 8;
err = tfa_dsp_cmd_id_write_read
(handle, MODULE_SPEAKERBOOST,
SB_PARAM_GET_STATE, 3 * state_size, bytes);
}
}
*statesize = state_size;
return err;
}
enum tfa98xx_error
tfa98xx_dsp_support_drc(tfa98xx_handle_t handle, int *pb_support_drc)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
*pb_support_drc = 0;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (handles_local[handle].support_drc != SUPPORT_NOT_SET) {
*pb_support_drc =
(handles_local[handle].support_drc == SUPPORT_YES);
} else {
int feature_bits[2];
error = tfa98xx_dsp_get_sw_feature_bits(handle, feature_bits);
if (error == TFA98XX_ERROR_OK) {
/* easy case: new API available */
/* bit=0 means DRC enabled */
*pb_support_drc = (feature_bits[0] & FEATURE1_DRC) == 0;
} else if (error == TFA98XX_ERROR_RPC_PARAM_ID) {
/* older ROM code, doesn't support it */
*pb_support_drc = 0;
error = TFA98XX_ERROR_OK;
}
/* else some other error, return transparently */
/* pb_support_drc only changed when error == TFA98XX_ERROR_OK */
if (error == TFA98XX_ERROR_OK) {
handles_local[handle].support_drc =
*pb_support_drc ? SUPPORT_YES : SUPPORT_NO;
}
}
return error;
}
enum tfa98xx_error
tfa98xx_dsp_support_framework(tfa98xx_handle_t handle,
int *pb_support_framework)
{
int feature_bits[2] = {0, 0};
enum tfa98xx_error error = TFA98XX_ERROR_OK;
_ASSERT(pb_support_framework != 0);
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (handles_local[handle].support_framework != SUPPORT_NOT_SET) {
if (handles_local[handle].support_framework == SUPPORT_NO)
*pb_support_framework = 0;
else
*pb_support_framework = 1;
} else {
error = tfa98xx_dsp_get_sw_feature_bits(handle, feature_bits);
if (error == TFA98XX_ERROR_OK) {
*pb_support_framework = 1;
handles_local[handle].support_framework = SUPPORT_YES;
} else {
*pb_support_framework = 0;
handles_local[handle].support_framework = SUPPORT_NO;
error = TFA98XX_ERROR_OK;
}
}
/* *pb_support_framework only changed when error == TFA98XX_ERROR_OK */
return error;
}
enum tfa98xx_error
tfa98xx_dsp_write_speaker_parameters(tfa98xx_handle_t handle,
int length, const unsigned char *p_speaker_bytes)
{
enum tfa98xx_error error;
int b_support_drc;
if (p_speaker_bytes != 0) {
/* by design: keep the data opaque and no
* interpreting/calculation
* Use long WaitResult retry count
*/
error = tfa_dsp_cmd_id_write(
handle,
MODULE_SPEAKERBOOST,
SB_PARAM_SET_LSMODEL, length,
p_speaker_bytes);
} else {
error = TFA98XX_ERROR_BAD_PARAMETER;
}
if (error != TFA98XX_ERROR_OK)
return error;
error = tfa98xx_dsp_support_drc(handle, &b_support_drc);
if (error != TFA98XX_ERROR_OK)
return error;
if (b_support_drc) {
/* Need to set AgcGainInsert back to PRE,
* as the SetConfig forces it to POST
*/
uint8_t bytes[3] = {0, 0, 0};
error = tfa_dsp_cmd_id_write(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_SET_AGCINS,
sizeof(bytes),
bytes);
}
return error;
}
enum tfa98xx_error
tfa98xx_dsp_write_config(tfa98xx_handle_t handle, int length,
const unsigned char *p_config_bytes)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int b_support_drc;
error = tfa_dsp_cmd_id_write(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_SET_CONFIG, length,
p_config_bytes);
if (error != TFA98XX_ERROR_OK)
return error;
error = tfa98xx_dsp_support_drc(handle, &b_support_drc);
if (error != TFA98XX_ERROR_OK)
return error;
if (b_support_drc) {
/* Need to set AgcGainInsert back to PRE,
* as the SetConfig forces it to POST
*/
uint8_t bytes[3] = {0, 0, 0};
error = tfa_dsp_cmd_id_write(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_SET_AGCINS,
sizeof(bytes),
bytes);
}
return error;
}
/* load all the parameters for the DRC settings from a file */
enum tfa98xx_error tfa98xx_dsp_write_drc(tfa98xx_handle_t handle,
int length, const unsigned char *p_drc_bytes)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (p_drc_bytes != 0) {
error = tfa_dsp_cmd_id_write(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_SET_DRC, length,
p_drc_bytes);
} else {
error = TFA98XX_ERROR_BAD_PARAMETER;
}
return error;
}
enum tfa98xx_error tfa98xx_powerdown(tfa98xx_handle_t handle, int powerdown)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
TFA_SET_BF(handle, PWDN, (uint16_t)powerdown);
return error;
}
enum tfa98xx_error
tfa98xx_select_mode(tfa98xx_handle_t handle, enum tfa98xx_mode mode)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
if (!tfa98xx_handle_is_open(handle))
return TFA98XX_ERROR_NOT_OPEN;
if (error == TFA98XX_ERROR_OK) {
switch (mode) {
default:
error = TFA98XX_ERROR_BAD_PARAMETER;
}
}
return error;
}
int tfa_set_bf(tfa98xx_handle_t dev_idx,
const uint16_t bf, const uint16_t value)
{
enum tfa98xx_error err;
uint16_t regvalue, msk, oldvalue;
/*
* bitfield enum:
* - 0..3 : len
* - 4..7 : pos
* - 8..15 : address
*/
uint8_t len = bf & 0x0f;
uint8_t pos = (bf >> 4) & 0x0f;
uint8_t address = (bf >> 8) & 0xff;
err = reg_read(dev_idx, address, &regvalue);
if (err) {
pr_err("Error getting bf :%d\n", -err);
return -err;
}
oldvalue = regvalue;
msk = ((1 << (len + 1)) - 1) << pos;
regvalue &= ~msk;
regvalue |= value << pos;
/* Only write when the current register value is
* not the same as the new value
*/
if (oldvalue != regvalue) {
err = reg_write(dev_idx, address, regvalue);
if (err) {
pr_err("Error setting bf :%d\n", -err);
return -err;
}
}
return 0;
}
int tfa_set_bf_volatile(tfa98xx_handle_t dev_idx,
const uint16_t bf, const uint16_t value)
{
enum tfa98xx_error err;
uint16_t regvalue, msk;
/*
* bitfield enum:
* - 0..3 : len
* - 4..7 : pos
* - 8..15 : address
*/
uint8_t len = bf & 0x0f;
uint8_t pos = (bf >> 4) & 0x0f;
uint8_t address = (bf >> 8) & 0xff;
err = reg_read(dev_idx, address, &regvalue);
if (err) {
pr_err("Error getting bf :%d\n", -err);
return -err;
}
msk = ((1 << (len + 1)) - 1) << pos;
regvalue &= ~msk;
regvalue |= value << pos;
err = reg_write(dev_idx, address, regvalue);
if (err) {
pr_err("Error setting bf :%d\n", -err);
return -err;
}
return 0;
}
int tfa_get_bf(tfa98xx_handle_t dev_idx, const uint16_t bf)
{
enum tfa98xx_error err;
uint16_t regvalue, msk;
uint16_t value;
/*
* bitfield enum:
* - 0..3 : len
* - 4..7 : pos
* - 8..15 : address
*/
uint8_t len = bf & 0x0f;
uint8_t pos = (bf >> 4) & 0x0f;
uint8_t address = (bf >> 8) & 0xff;
err = reg_read(dev_idx, address, &regvalue);
if (err) {
pr_err("Error getting bf :%d\n", -err);
return -err;
}
msk = ((1 << (len + 1)) - 1) << pos;
regvalue &= msk;
value = regvalue >> pos;
return value;
}
int tfa_set_bf_value(const uint16_t bf,
const uint16_t bf_value, uint16_t *p_reg_value)
{
uint16_t regvalue, msk;
/*
* bitfield enum:
* - 0..3 : len
* - 4..7 : pos
* - 8..15 : address
*/
uint8_t len = bf & 0x0f;
uint8_t pos = (bf >> 4) & 0x0f;
regvalue = *p_reg_value;
msk = ((1 << (len + 1)) - 1) << pos;
regvalue &= ~msk;
regvalue |= bf_value << pos;
*p_reg_value = regvalue;
return 0;
}
uint16_t tfa_get_bf_value(const uint16_t bf, const uint16_t reg_value)
{
uint16_t msk, value;
/*
* bitfield enum:
* - 0..3 : len
* - 4..7 : pos
* - 8..15 : address
*/
uint8_t len = bf & 0x0f;
uint8_t pos = (bf >> 4) & 0x0f;
msk = ((1 << (len + 1)) - 1) << pos;
value = (reg_value & msk) >> pos;
return value;
}
int tfa_write_reg(tfa98xx_handle_t dev_idx,
const uint16_t bf, const uint16_t reg_value)
{
enum tfa98xx_error err;
/* bitfield enum - 8..15 : address */
uint8_t address = (bf >> 8) & 0xff;
err = reg_write(dev_idx, address, reg_value);
if (err)
return -err;
return 0;
}
int tfa_read_reg(tfa98xx_handle_t dev_idx, const uint16_t bf)
{
enum tfa98xx_error err;
uint16_t regvalue;
/* bitfield enum - 8..15 : address */
uint8_t address = (bf >> 8) & 0xff;
err = reg_read(dev_idx, address, &regvalue);
if (err)
return -err;
return regvalue;
}
/*
* powerup the coolflux subsystem and wait for it
*/
enum tfa98xx_error tfa_cf_powerup(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
#if defined(USE_TFA9896)
int loop, ready;
int cur_clks = 0, cur_plls = 0, cur_amps = 0, cur_sws = 0;
#endif
/* power on the sub system */
TFA_SET_BF_VOLATILE(handle, PWDN, 0);
#if defined(USE_TFA9896)
/* wait until DSP is stable */
for (loop = 0; loop < PWDNWAIT_TRIES /*x10ms*/; loop++) {
msleep_interruptible(10); /* wait 10ms to avoid busload */
err = tfa98xx_dsp_system_stable(handle, &ready);
if (err != TFA98XX_ERROR_OK) {
pr_info("%s: error in checking if DSP is stable (err:%d)\n",
__func__, err);
return err;
}
if (ready) {
pr_debug("%s: DSP gets stable\n", __func__);
break;
}
}
if (!ready) {
cur_clks = TFA_GET_BF(handle, CLKS);
cur_plls = TFA_GET_BF(handle, PLLS);
if (cur_clks == 0 || cur_plls == 0) {
pr_err("%s: no clock from I2S/TDM @ CLKS:%d, PLLS:%d\n",
__func__, cur_clks, cur_plls);
return TFA98XX_ERROR_NO_CLOCK;
}
pr_err("%s: DSP fails to get stable (timed out)\n",
__func__);
return TFA98XX_ERROR_STATE_TIMED_OUT;
}
err = TFA98XX_ERROR_STATE_TIMED_OUT;
/* check amplifeir status: class-D switching */
for (loop = 0; loop < CFSTABLE_TRIES /*x10ms*/; loop++) {
cur_amps = TFA_GET_BF(handle, AMPS);
cur_sws = TFA_GET_BF(handle, SWS);
if (cur_amps && cur_sws)
return TFA98XX_ERROR_OK;
pr_debug("%s: force to start dsp again @ AMPS:%d, SWS:%d\n",
__func__, cur_amps, cur_sws);
TFA_SET_BF_VOLATILE(handle, SBSL, 1);
msleep_interruptible(10); /* wait 10ms to avoid busload */
pr_debug("%s: reset DSP to sync sensing after setting SBSL\n",
__func__);
tfa98xx_dsp_reset(handle, 1);
msleep_interruptible(1); /* wait 1ms to avoid busload */
tfa98xx_dsp_reset(handle, 0);
}
pr_err("%s: amp is not switching (timed out)\n", __func__);
#endif
return err;
}
/*
* Enable/Disable the I2S output for TFA1 devices
* without TDM interface
*/
static enum tfa98xx_error
tfa98xx_aec_output(tfa98xx_handle_t handle, int enable)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
if ((tfa98xx_get_device_dai(handle) & TFA98XX_DAI_TDM)
== TFA98XX_DAI_TDM)
return err;
if (tfa98xx_dev_family(handle) == 1)
err = -tfa_set_bf(handle, TFA1_BF_I2SDOE, (enable != 0));
else {
pr_err("I2SDOE on unsupported family\n");
err = TFA98XX_ERROR_NOT_SUPPORTED;
}
return err;
}
/*
* Print the current state of the hardware manager
* Device manager status information, man_state from TFA9888_N1B_I2C_regmap_V12
*/
enum tfa98xx_error show_current_state(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int manstate = -1;
if (tfa98xx_dev_family(handle) == 2) {
manstate = TFA_GET_BF(handle, MANSTATE);
if (manstate < 0)
return -manstate;
}
pr_debug("Current HW manager state: dev = %d", handle);
switch (manstate) {
case 0:
pr_debug("power_down_state\n");
break;
case 1:
pr_debug("wait_for_source_settings_state\n");
break;
case 2:
pr_debug("connnect_pll_input_state\n");
break;
case 3:
pr_debug("disconnect_pll_input_state\n");
break;
case 4:
pr_debug("enable_pll_state\n");
break;
case 5:
pr_debug("enable_cgu_state\n");
break;
case 6:
pr_debug("init_cf_state\n");
break;
case 7:
pr_debug("enable_amplifier_state\n");
break;
case 8:
pr_debug("alarm_state\n");
break;
case 9:
pr_debug("operating_state\n");
break;
case 10:
pr_debug("mute_audio_state\n");
break;
case 11:
pr_debug("disable_cgu_pll_state\n");
break;
default:
pr_debug("Unable to find current state\n");
break;
}
return err;
}
/*
* start the speakerboost algorithm
* this implies a full system startup when the system was not already started
*
*/
enum tfa98xx_error
tfa_run_speaker_boost(tfa98xx_handle_t handle, int force, int profile)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int value;
int istap_prof = 0;
if (force) {
handles_local[handle].is_cold = 1;
#if defined(REDUCED_REGISTER_SETTING)
handles_local[handle].first_after_boot = 1;
#endif
err = tfa_run_coldstartup(handle, profile);
if (err)
return err;
/* DSP is running now */
}
/* Returns 1 when device is "cold" and 0 when device is warm */
value = tfa_is_cold(handle);
if (value < 0)
err = value;
else
handles_local[handle].is_cold = value;
pr_info("%s: %s boot, ext_dsp = %d, profile = %d\n",
__func__, value ? "cold" : "warm",
handles_local[handle].ext_dsp, profile);
#ifdef __KERNEL__ /* TODO try to combine this with the pr_debug below */
tfa98xx_trace_printk("%s %sstart\n",
tfa_cont_device_name(handle),
value ? "cold" : "warm");
#endif
/* Check if next profile is a tap profile */
istap_prof = tfa_cont_is_tap_profile(handle, profile);
/* cold start and not tap profile */
if ((value == 1) && (!istap_prof)) {
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
/* master (or first) device only */
if (handle == first_handle) { /* first active_handle */
#else
if (handle == 0) { /* master device only */
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
/* flush message buffer */
pr_debug("%s: flush buffer in blob, in cold start\n",
__func__);
err = tfa_tib_dsp_msgblob(0, -2, NULL);
}
/* Run startup and write all files */
pr_info("%s: cold start, speaker startup\n", __func__);
err = tfa_run_speaker_startup(handle, force, profile);
if (err) {
pr_info("%s: speaker startup error = %d\n",
__func__, err);
return err;
}
/* Save the current profile and set the vstep to 0 */
/* This needs to be overwritten even in CF bypass */
tfa_set_swprof(handle, (unsigned short)profile);
tfa_set_swvstep(handle, 0);
pr_info("%s: completed speaker startup\n",
__func__);
#if defined(USE_TFA9896)
tfa_status_read(handle);
#endif
/* Dont run this for softDSP */
#if defined(SET_CALIBRATION_AT_ALL_DEVICE_READY)
if (!handles_local[0].ext_dsp) { /* check only master device */
#else
if (!handles_local[handle].ext_dsp) {
#endif
/* Startup with CF in bypass then return here */
if (tfa_cf_enabled(handle) == 0) {
pr_debug("%s: CF is not active\n",
__func__);
return err;
}
#ifdef __KERNEL__ /* TODO check if this can move to the tfa98xx.c */
/* Necessary here for early calibrate (MTPEX + ACS) */
tfa98xx_apply_deferred_calibration(handle);
#endif
/* OTC <0:always 1:once> */
err = tfa98xx_set_mtp(handle,
(1 << TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_POS)
& TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_MSK,
TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_MSK);
pr_info("%s: set OTC, err = %d\n",
__func__, err);
/* calibrate */
err = tfa_run_speaker_calibration(handle, profile);
pr_info("%s: executed calibration, err = %d, MTPEX:%d\n",
__func__, err,
TFA_GET_BF(handle, MTPEX));
} else { /* Only for Tiberius */
/* always send the SetRe25 message
* to indicate all messages are send
*/
err = tfa_set_calibration_values(handle);
if (err)
pr_info("%s: set calibration values error = %d\n",
__func__, err);
}
} else if (istap_prof) {
/* Dont run this for softDSP */
if (!handles_local[handle].ext_dsp) {
/* Save the current profile and set the vstep to 0 */
/* This needs to be overwritten in tap profile */
tfa_set_swprof(handle, (unsigned short)profile);
tfa_set_swvstep(handle, 0);
}
}
return err;
}
enum tfa98xx_error
tfa_run_speaker_startup(tfa98xx_handle_t handle, int force, int profile)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
pr_debug("coldstart%s :", force ? " (forced)" : "");
if (!force) { /* in case of force CF already running */
err = tfa_run_startup(handle, profile);
PRINT_ASSERT(err);
if (err) {
pr_info("%s: tfa_run_startup error = %d\n",
__func__, err);
return err;
}
#if defined(USE_TFA9896)
/* TFA9896 loads MTP after cold start */
if (TFA_GET_BF(handle, MTPEX) == 0) {
int cal_prof_idx = -2;
cal_prof_idx = tfa_cont_get_cal_profile(handle);
if (cal_prof_idx >= 0) {
pr_info("%s: set profile for calibration cal_prof_idx %d\n",
__func__, cal_prof_idx);
profile = cal_prof_idx;
err = tfa_run_startup(handle, profile);
PRINT_ASSERT(err);
if (err) {
pr_info("%s: tfa_run_startup error = %d\n",
__func__, err);
return err;
}
}
}
#endif
/* Startup with CF in bypass then return here */
if (tfa_cf_enabled(handle) == 0)
return err;
if (!handles_local[0].ext_dsp) { /* check only master device */
err = tfa_run_start_dsp(handle);
if (err) {
pr_info("%s: tfa_run_start_dsp error = %d\n",
__func__, err);
return err;
}
}
}
/* SET auto_copy_mtp_to_iic (bit 5 of A3) to 1.
* Workaround for 72 and 88 (see PLMA5290)
*/
err = reg_write(handle, 0xA3, 0x20);
if (err)
return err;
pr_info("%s: DSP started\n", __func__);
/* DSP is running now */
/* write all the files from the device list */
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
if (active_handle == -1) {
if ((handles_local[0].is_cold == 0)
&& (handles_local[handle].is_cold != 0)
&& (handle != 0)) {
pr_info("%s: [%d] load dev files from master device, when master is not cold\n",
__func__, handle);
err = tfa_cont_write_files(0); /* loading master device */
} else {
err = tfa_cont_write_files(handle);
}
} else { /* active_handle is selected */
if (handle == first_handle) { /* first active_handle */
pr_info("%s: [%d] load dev files from master device, for first handle\n",
__func__, handle);
err = tfa_cont_write_files(0); /* loading master device */
} else {
err = tfa_cont_write_files(handle);
}
}
#else
err = tfa_cont_write_files(handle);
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
if (err) {
pr_debug("[%s] tfa_cont_write_files error = %d\n",
__func__, err);
return err;
}
/* write all the files from the profile list (use volumstep 0) */
err = tfa_cont_write_files_prof(handle, profile, 0);
if (err) {
pr_debug("[%s] tfa_cont_write_files_prof error = %d\n",
__func__, err);
return err;
}
pr_info("%s: done\n", __func__);
return err;
}
/*
* Run calibration
*/
enum tfa98xx_error
tfa_run_speaker_calibration(tfa98xx_handle_t handle, int profile)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
struct tfa98xx_controls *controls =
&(handles_local[handle].dev_ops.controls);
int calibrate_done, spkr_count = 0;
(void)(profile); /* Remove unreferenced warning */
#if defined(NO_TRIGGER_SBSL_FOR_CAL)
/* Necessary otherwise we are thrown out of operating mode
* in kernel (because of internal clock)
*/
if ((strnstr(tfa_cont_profile_name(handle, profile),
".cal", strlen(tfa_cont_profile_name(handle, profile)))
== NULL)
|| (tfa98xx_dev_family(handle) == 1))
#endif
TFA_SET_BF_VOLATILE(handle, SBSL, 1);
pr_debug("%s: SBSL = %d, triggered by force\n",
__func__, TFA_GET_BF(handle, SBSL));
/* return if there is no audio running */
if ((tfa98xx_dev_family(handle) == 2) && TFA_GET_BF(handle, NOCLK))
return TFA98XX_ERROR_NO_CLOCK;
if (TFA_GET_BF(handle, MTPEX)) {
pr_info("%s: skip calibration & check, MTPEX:1\n",
__func__);
return err;
}
/* When MTPOTC is set (cal=once) unlock key2 */
if (TFA_GET_BF(handle, MTPOTC) == 1)
tfa98xx_key2(handle, 0);
/* await calibration, this should return ok */
err = tfa_run_wait_calibration(handle, &calibrate_done);
if (err == TFA98XX_ERROR_OK) {
err = tfa_dsp_get_calibration_impedance(handle);
PRINT_ASSERT(err);
}
/* Give reason why calibration failed! */
if (err != TFA98XX_ERROR_OK) {
if ((tfa98xx_dev_family(handle) == 2)
&& (TFA_GET_BF(handle, REFCKSEL) == 1))
pr_err("Unable to calibrate the device with the internal clock!\n");
}
if (err == TFA98XX_ERROR_OK) {
err = tfa98xx_supported_speakers(handle, &spkr_count);
if (spkr_count == 1)
pr_debug("P: %d mOhms\n",
handles_local[handle].mohm[0]);
else
pr_debug("P: %d mOhms, S:%d mOhms\n",
handles_local[0].mohm[0],
handles_local[1].mohm[0]);
controls->calib.wr_value = false; /* calibration over */
}
/* When MTPOTC is set (cal=once) re-lock key2 */
if (TFA_GET_BF(handle, MTPOTC) == 1)
tfa98xx_key2(handle, 1);
return err;
}
/*
* Write calibration values for Tiberius
*/
enum tfa98xx_error tfa_set_calibration_values(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
unsigned char bytes[6] = {0};
unsigned short value = 0;
int dsp_cal_value_left = 0, dsp_cal_value_right = 0;
int devcount = tfa98xx_cnt_max_device();
static int need_cal;
/* reset need_cal for the first device */
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
if (handle == first_handle) /* first active_handle */
#else
if (handle == 0)
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
need_cal = 0;
need_cal |= (TFA_GET_BF(handle, MTPEX) == 0) ? 1 : 0;
#if defined(SET_CALIBRATION_AT_ALL_DEVICE_READY)
/* trigger at the last device */
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
if (handle < last_handle) { /* last active_handle */
#else
if (handle < devcount - 1) {
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
pr_info("%s: suspend setting calibration data till all device is enabled\n",
__func__);
return err;
}
#endif
pr_debug("%s: calibration is %srequired\n",
__func__, (need_cal) ? "" : "not ");
/* If calibration is set to once we load from MTP, else send zero's */
if (need_cal == 0) {
if (devcount == 1) { /* mono */
err = reg_read(handle, 0xF5, &value);
dsp_cal_value_left = (value * 65536) / 1000;
pr_info("%s: calibration data: %d\n",
__func__, value);
dsp_cal_value_right = dsp_cal_value_left;
} else if (devcount == 2) { /* stereo */
/* For now use quick hack
* to assume handle 0 & 1 for stereo
*/
err = reg_read(0, 0xF5, &value);
dsp_cal_value_left = (value * 65536) / 1000;
pr_info("%s: calibration data[0]: %d\n",
__func__, value);
err = reg_read(1, 0xF5, &value);
dsp_cal_value_right = (value * 65536) / 1000;
pr_info("%s: calibration data[1]: %d\n",
__func__, value);
} else {
pr_err("%s: more than 2 devices were selected (devcount %d)\n",
__func__, devcount);
}
/* We have to copy it for both channels. Even when MONO! */
bytes[0] = (uint8_t) ((dsp_cal_value_left >> 16) & 0xffff);
bytes[1] = (uint8_t) ((dsp_cal_value_left >> 8) & 0xff);
bytes[2] = (uint8_t) (dsp_cal_value_left & 0xff);
bytes[3] = (uint8_t) ((dsp_cal_value_right >> 16) & 0xffff);
bytes[4] = (uint8_t) ((dsp_cal_value_right >> 8) & 0xff);
bytes[5] = (uint8_t) (dsp_cal_value_right & 0xff);
#if defined(TFA_BLACKBOX_LOGGING)
if (handles_local[0].log_set_cb)
handles_local[0].log_set_cb();
#endif
} else { /* calibration is required */
bytes[0] = 0;
bytes[1] = 0;
bytes[2] = 0;
bytes[3] = 0;
bytes[4] = 0;
bytes[5] = 0;
}
err = tfa_dsp_cmd_id_write
(handle, MODULE_SPEAKERBOOST, SB_PARAM_SET_RE25C,
sizeof(bytes), bytes);
#if defined(WRITE_CALIBRATION_DATA_TO_MTP)
if (need_cal == 1)
err = tfa_tfadsp_wait_calibrate_done(handle);
#endif
return err;
}
/*
* Set the debug option
*/
void tfa_verbose(int level)
{
tfa98xx_trace_level = level;
tfa98xx_runtime_verbose = (level != 0); /* any non-zero */
}
int tfa_get_verbose(void)
{
return tfa98xx_trace_level;
}
void tfa_dsp_verbose(int level)
{
tfa98xx_dsp_verbose = level;
}
enum tfa98xx_error tfa_run_coldboot(tfa98xx_handle_t handle, int state)
{
#define CF_CONTROL 0x8100
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int tries = 10;
/* repeat set ACS bit until set as requested */
while (state != TFA_GET_BF(handle, ACS)) {
/* set colstarted in CF_CONTROL to force ACS */
err = mem_write(handle, CF_CONTROL, state, TFA98XX_DMEM_IOMEM);
PRINT_ASSERT(err);
if (tries-- == 0) {
pr_debug("coldboot (ACS) did not %s\n", state ?
"set" : "clear");
return TFA98XX_ERROR_OTHER;
}
}
return err;
}
/*
* load the patch if any
* else tell no loaded
*/
static enum tfa98xx_error tfa_run_load_patch(tfa98xx_handle_t handle)
{
return tfa_cont_write_patch(handle);
}
/*
* this will load the patch witch will implicitly start the DSP
* if no patch is available the DPS is started immediately
*/
enum tfa98xx_error tfa_run_start_dsp(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
err = tfa_run_load_patch(handle);
if (err) { /* patch load is fatal so return immediately*/
return err;
}
/* Clear count_boot, should be reset to 0
* before the DSP reset is released
*/
err = mem_write(handle, 512, 0, TFA98XX_DMEM_XMEM);
PRINT_ASSERT(err);
/* Reset DSP once for sure after initializing */
if (err == TFA98XX_ERROR_OK) {
err = tfa98xx_dsp_reset(handle, 0);
/* in pair of tfa98xx_init() - tfa_run_startup() */
PRINT_ASSERT(err);
}
/* Sample rate is needed to set the correct tables */
err = tfa98xx_dsp_write_tables(handle, TFA_GET_BF(handle, AUDFS));
PRINT_ASSERT(err);
return err;
}
/*
* load register in dev / prof earlier, to save time in cold start
*/
enum tfa98xx_error tfa_load_cnt_regs(tfa98xx_handle_t handle, int profile)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
struct tfa_device_list *dev = tfa_cont_device(handle);
int i, noinit = 0;
#if defined(REDUCED_REGISTER_SETTING)
int is_cold_amp;
#endif
if (dev == NULL)
return TFA98XX_ERROR_FAIL;
#if defined(REDUCED_REGISTER_SETTING)
is_cold_amp = tfa_is_cold_amp(handle);
if (handles_local[handle].first_after_boot) {
#endif
/* process the device list
* to see if the user implemented the noinit
*/
for (i = 0; i < dev->length; i++) {
if (dev->list[i].type == dsc_no_init) {
noinit = 1;
break;
}
}
if (!noinit) {
/* load the optimal TFA98XX in HW settings */
err = tfa98xx_init(handle);
PRINT_ASSERT(err);
} else {
pr_info("Warning: No init keyword found in the cnt file. Init is skipped!\n");
}
/* I2S settings to define the audio input properties
* these must be set before the subsys is up
* this will run the list
* until a non-register item is encountered
*/
pr_info("%s: writing registers under dev (cold %d: first %d)\n",
__func__, is_cold_amp,
handles_local[handle].first_after_boot);
err = tfa_cont_write_regs_dev(handle);
/* write device register settings */
PRINT_ASSERT(err);
#if defined(REDUCED_REGISTER_SETTING)
} else {
pr_info("%s: skip init and writing registers under dev (cold %d: first %d)\n",
__func__, is_cold_amp,
handles_local[handle].first_after_boot);
/* put dsp reset, when skipping tfa98xx_init() */
/* in pair of tfa_run_start_dsp() */
tfa98xx_dsp_reset(handle, 1);
}
#endif
#if defined(REDUCED_REGISTER_SETTING)
if (handles_local[handle].first_after_boot
|| (profile != tfa_get_swprof(handle))) {
#endif
/* also write register the settings from the default profile
* NOTE we may still have ACS=1
* so we can switch sample rate here
*/
pr_info("%s: writing registers under profile (%d)\n",
__func__, profile);
err = tfa_cont_write_regs_prof(handle, profile);
PRINT_ASSERT(err);
#if defined(REDUCED_REGISTER_SETTING)
} else {
pr_info("%s: skip writing registers under profile (%d)\n",
__func__, profile);
}
#endif
#if defined(REDUCED_REGISTER_SETTING)
handles_local[handle].first_after_boot = 0;
#endif
tfa_set_swprof(handle, (unsigned short)profile);
return err;
}
/*
* start the clocks and wait until the AMP is switching
* on return the DSP sub system will be ready for loading
*/
enum tfa98xx_error tfa_run_startup(tfa98xx_handle_t handle, int profile)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
struct tfa_device_list *dev = tfa_cont_device(handle);
int i, noinit = 0;
#if !defined(USE_TFA9896)
int loop, ready = 0;
#endif
#if defined(REDUCED_REGISTER_SETTING)
int is_cold_amp;
#endif
if (dev == NULL)
return TFA98XX_ERROR_FAIL;
#if defined(REDUCED_REGISTER_SETTING)
is_cold_amp = tfa_is_cold_amp(handle);
if (handles_local[handle].first_after_boot) {
#endif
/* process the device list
* to see if the user implemented the noinit
*/
for (i = 0; i < dev->length; i++) {
if (dev->list[i].type == dsc_no_init) {
noinit = 1;
break;
}
}
if (!noinit) {
/* load the optimal TFA98XX in HW settings */
err = tfa98xx_init(handle);
PRINT_ASSERT(err);
} else {
pr_debug("Warning: No init keyword found in the cnt file. Init is skipped!\n");
}
/* I2S settings to define the audio input properties
* these must be set before the subsys is up
* this will run the list
* until a non-register item is encountered
*/
pr_info("%s: writing registers under dev (cold %d: first %d)\n",
__func__, is_cold_amp,
handles_local[handle].first_after_boot);
err = tfa_cont_write_regs_dev(handle);
/* write device register settings */
PRINT_ASSERT(err);
#if defined(REDUCED_REGISTER_SETTING)
} else {
pr_debug("%s: skip init and writing registers under dev (cold %d: first %d)\n",
__func__, is_cold_amp,
handles_local[handle].first_after_boot);
/* put dsp reset, when skipping tfa98xx_init() */
/* in pair of tfa_run_start_dsp() */
tfa98xx_dsp_reset(handle, 1);
}
#endif
#if defined(REDUCED_REGISTER_SETTING)
if (handles_local[handle].first_after_boot
|| (profile != tfa_get_swprof(handle))) {
#endif
/* also write register the settings from the default profile
* NOTE we may still have ACS=1
* so we can switch sample rate here
*/
pr_info("%s: writing registers under profile (%d)\n",
__func__, profile);
err = tfa_cont_write_regs_prof(handle, profile);
PRINT_ASSERT(err);
#if defined(REDUCED_REGISTER_SETTING)
} else {
pr_debug("%s: skip writing registers under profile (%d)\n",
__func__, profile);
}
#endif
if ((tfa98xx_dev_revision(handle) & 0xff) == 0x88) {
/* Factory trimming for the Boost converter */
tfa_factory_trimmer(handle);
}
/* leave power off state */
#if defined(USE_TFA9896)
if (tfa_get_bf(handle, TFA1_BF_CHSA) < 2) {
pr_debug("%s: power up simply in bypass\n", __func__);
err = tfa98xx_powerdown(handle, 0);
PRINT_ASSERT(err);
#if defined(REDUCED_REGISTER_SETTING)
handles_local[handle].first_after_boot = 0;
#endif
return err;
}
pr_debug("%s: power up and check status when DSP is active\n",
__func__);
err = tfa_cf_powerup(handle);
#else
err = tfa98xx_powerdown(handle, 0);
#endif
PRINT_ASSERT(err);
if (tfa98xx_dev_family(handle) == 2) {
/* signal that the clock settings are done
* - PLL can start
*/
TFA_SET_BF_VOLATILE(handle, MANSCONF, 1);
}
#if defined(REDUCED_REGISTER_SETTING)
handles_local[handle].first_after_boot = 0;
#endif
#if defined(USE_TFA9896)
if (err)
return err;
#else
/* wait until DSP is stable */
for (loop = 0; loop < PWDNWAIT_TRIES /*x10ms*/; loop++) {
msleep_interruptible(10); /* wait 10ms to avoid busload */
err = tfa98xx_dsp_system_stable(handle, &ready);
if (err != TFA98XX_ERROR_OK) {
pr_info("%s: error in checking if DSP is stable (err:%d)\n",
__func__, err);
return err;
}
if (ready) {
pr_debug("%s: DSP gets stable\n", __func__);
break;
}
}
if (!ready)
return TFA98XX_ERROR_STATE_TIMED_OUT;
#endif
/* enable FAIM when clock is stable, to avoid MTP corruption */
err = tfa98xx_faim_protect(handle, 1);
if (err) {
pr_info("%s: error in enabling FAIM protection!\n",
__func__);
return err;
}
if (tfa98xx_runtime_verbose)
pr_debug("%s: MTP clock enabled\n", __func__);
if (tfa98xx_runtime_verbose && (tfa98xx_dev_family(handle) == 2))
err = show_current_state(handle);
#if defined(USE_TFA9896)
tfa_status_read(handle);
#endif
return err;
}
/*
* run the startup/init sequence and set ACS bit
*/
enum tfa98xx_error tfa_run_coldstartup(tfa98xx_handle_t handle, int profile)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
err = tfa_run_startup(handle, profile);
PRINT_ASSERT(err);
if (err)
return err;
if ((handles_local[handle].rev & 0xFF) != 0x72) {
/* force cold boot */
err = tfa_run_coldboot(handle, 1); /* set ACS */
PRINT_ASSERT(err);
if (err)
return err;
}
/* start */
err = tfa_run_start_dsp(handle);
PRINT_ASSERT(err);
return err;
}
/*
*
*/
enum tfa98xx_error tfa_run_mute(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int status;
int tries = 0;
/* signal the TFA98XX to mute */
err = tfa98xx_set_mute(handle, TFA98XX_MUTE_AMPLIFIER);
if (tfa98xx_dev_family(handle) == 1) {
if (err == TFA98XX_ERROR_OK) {
/* now wait for the amplifier to turn off */
do {
status = TFA_GET_BF(handle, SWS);
if (status != 0)
msleep_interruptible(10);
/* wait 10ms to avoid busload */
else
break;
tries++;
} while (tries < AMPOFFWAIT_TRIES);
/*The amplifier is always switching*/
if (tries == AMPOFFWAIT_TRIES) {
pr_err("%s: timeout in stopping amplifier switching\n",
__func__);
return TFA98XX_ERROR_OTHER;
}
}
}
if (tfa98xx_runtime_verbose)
pr_debug("-------------------- muted --------------------\n");
return err;
}
/*
*
*/
enum tfa98xx_error tfa_run_unmute(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
/* signal the TFA98XX to mute */
err = tfa98xx_set_mute(handle, TFA98XX_MUTE_OFF);
if (tfa98xx_runtime_verbose)
pr_debug("-------------------unmuted ------------------\n");
return err;
}
/*
* wait for calibrate_done
*/
enum tfa98xx_error
tfa_run_wait_calibration(tfa98xx_handle_t handle, int *calibrate_done)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int tries = 0, mtp_busy = 1, tries_mtp_busy = 0;
*calibrate_done = 0;
/* in case of calibrate once wait for MTPEX */
if (TFA_GET_BF(handle, MTPOTC)) {
pr_info("%s: MTPOTC:1 one-time cal\n", __func__);
/* Check if MTP_busy is clear! */
while (tries_mtp_busy < MTPBWAIT_TRIES) {
if ((handles_local[handle].rev & 0xff) == 0x94)
mtp_busy = tfa_get_bf(handle, TFA9894_BF_MTPB);
else
mtp_busy = TFA_GET_BF(handle, MTPB);
if (mtp_busy == 1)
msleep_interruptible(10);
/* wait 10ms to avoid busload */
else
break;
tries_mtp_busy++;
}
pr_info("%s: MTPB:%d\n", __func__, mtp_busy);
if (tries_mtp_busy < MTPBWAIT_TRIES) {
/* Because of the msleep
* TFA98XX_API_WAITRESULT_NTRIES is way to long!
* Setting this to 25 will take
* at least 25*50ms = 1.25 sec
*/
while ((*calibrate_done == 0)
&& (tries < MTPEX_WAIT_NTRIES)) {
*calibrate_done = TFA_GET_BF(handle, MTPEX);
if (*calibrate_done == 1)
break;
msleep_interruptible(50);
/* wait 50ms to avoid busload */
tries++;
}
pr_info("%s: MTPEX:%d\n", __func__, *calibrate_done);
if (tries >= MTPEX_WAIT_NTRIES)
tries = TFA98XX_API_WAITRESULT_NTRIES;
} else {
pr_err("MTP busy after %d tries\n", MTPBWAIT_TRIES);
}
} else {
pr_info("%s: MTPOTC:0 always cal\n", __func__);
*calibrate_done = TFA_GET_BF(handle, MTPEX);
pr_info("%s: MTPEX:%d\n", __func__, *calibrate_done);
}
pr_info("%s: start polling memory\n", __func__);
/* poll xmem for calibrate always
* calibrate_done = 0 means "calibrating",
* calibrate_done = -1 (or 0xFFFFFF) means "fails"
* calibrate_done = 1 means calibration done
*/
while ((*calibrate_done != 1)
&& (tries < TFA98XX_API_WAITRESULT_NTRIES)) {
err = mem_read(handle, TFA_FW_XMEM_CALIBRATION_DONE,
1, calibrate_done);
tries++;
}
if (*calibrate_done != 1) {
pr_err("Calibration failed!\n");
err = TFA98XX_ERROR_BAD_PARAMETER;
} else if (tries == TFA98XX_API_WAITRESULT_NTRIES) {
pr_debug("Calibration has timedout!\n");
err = TFA98XX_ERROR_STATE_TIMED_OUT;
} else if (tries_mtp_busy == 1000) {
pr_err("Calibrate Failed: MTP_busy stays high!\n");
err = TFA98XX_ERROR_STATE_TIMED_OUT;
} else {
pr_info("Calibration succeeded!\n");
}
/* Check which speaker calibration failed. Only for 88C */
if ((err != TFA98XX_ERROR_OK)
&& ((handles_local[handle].rev & 0x0FFF) == 0xc88)) {
individual_calibration_results(handle);
}
tfa98xx_deferred_calibration_status(handle, *calibrate_done);
return err;
}
enum tfa_error tfa_start(int next_profile, int *vstep)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int dev, devcount = tfa98xx_cnt_max_device();
int profile = -1, cal_profile = -1, istap_prof = 0, active_profile = -1;
tfa98xx_log_start_cnt++;
tfa98xx_log_tfa_family = tfa98xx_dev_family(0); /* device 0 */
pr_debug("%s: tfa98xx_log_tfa_family=%d, ",
__func__, tfa98xx_log_tfa_family);
pr_debug("%s: tfa98xx_log_revision=0x%x, ",
__func__, tfa98xx_log_revision);
pr_debug("%s: tfa98xx_log_subrevision=0x%x, ",
__func__, tfa98xx_log_subrevision);
pr_debug("%s: tfa98xx_log_i2c_devicenum=/dev/i2c-%d, ",
__func__, tfa98xx_log_i2c_devicenum);
pr_debug("%s: tfa98xx_log_i2c_slaveaddress=0x%x, ",
__func__, tfa98xx_log_i2c_slaveaddress);
pr_info("%s: tfa98xx_log_start_cnt=%d\n",
__func__, tfa98xx_log_start_cnt);
if (devcount < 1) {
pr_err("No or wrong container file loaded\n");
return tfa_error_bad_param;
}
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
active_handle = -1;
first_handle = 0; /* first active_handle */
last_handle = devcount - 1; /* last active_handle */
#endif
for (dev = 0; dev < devcount; dev++) {
err = tfa_cont_open(dev);
if (err != TFA98XX_ERROR_OK)
goto error_exit;
#if defined(USE_TFA9872)
if (TFA_GET_BF(dev, MTPEX) == 0) {
int cal_prof_idx = -2;
cal_prof_idx = tfa_cont_get_cal_profile(dev);
if (cal_prof_idx >= 0) {
pr_info("%s: set profile for calibration cal_prof_idx %d\n",
__func__, cal_prof_idx);
next_profile = cal_prof_idx;
}
}
#endif
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
#if defined(TFA_PROFILE_ON_DEVICE)
/* check active handle with profile */
if (tfa_cont_is_dev_specific_profile(dev,
next_profile) != 0) {
if (active_handle == -1) {
active_handle = (1 << dev);
last_handle = first_handle = dev;
} else {
active_handle |= (1 << dev);
last_handle = dev;
}
}
#endif
#if defined(TFA_ACTIVATED_ASYNCHRONOUSLY)
/* check active handle with mixer control */
if (tfa_is_selected_dev_to_activate(dev) != 0) {
if (active_handle == -1) {
active_handle = (1 << dev);
last_handle = first_handle = dev;
} else {
active_handle |= (1 << dev);
last_handle = dev;
}
}
#endif
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
}
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
pr_info("%s: device to be activated = 0x%x (from %d to %d)\n",
__func__, active_handle,
first_handle, last_handle);
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
for (dev = 0; dev < devcount; dev++) {
/* We need to remember the next_profile otherwise
* .cal profile overwrites this for the next dev
*/
profile = next_profile;
/* Get currentprofile */
active_profile = tfa_get_swprof(dev);
if (active_profile == 0xff)
active_profile = -1;
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
if (active_handle != -1) {
if (!(active_handle & (1 << dev))) {
err = _tfa_stop(dev);
continue;
}
}
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
/* Check if next profile is a tap profile */
istap_prof = tfa_cont_is_tap_profile(dev, next_profile);
/* tfaRun_SpeakerBoost implies un-mute */
if (tfa98xx_runtime_verbose) {
pr_debug("active_profile:%s, next_profile:%s\n",
tfa_cont_profile_name(dev, active_profile),
tfa_cont_profile_name(dev, profile));
pr_debug("Starting device [%s]\n",
tfa_cont_device_name(dev));
if (tfa98xx_dev_family(dev) == 2)
err = show_current_state(dev);
}
/* Check if we need coldstart or ACS is set */
#if defined(USE_TFA9896)
if ((tfa98xx_log_start_cnt == 1)
&& (tfa_is_cold(dev) == 0)) {
pr_info("%s: cold start by force at boot-up, even in warm state\n",
__func__);
err = tfa_run_speaker_boost(dev, 1, profile); /* forced */
} else {
err = tfa_run_speaker_boost(dev, 0, profile);
}
#else
err = tfa_run_speaker_boost(dev, 0, profile);
#endif
if (err != TFA98XX_ERROR_OK)
goto error_exit;
if (handles_local[dev].is_cold)
/* separate cold flag
* to adjust contents in container file
*/
pr_info("%s:[cold] device:%s profile:%s\n",
__func__, tfa_cont_device_name(dev),
tfa_cont_profile_name(dev, profile));
else
pr_info("%s:[warm] device:%s profile:%s\n",
__func__, tfa_cont_device_name(dev),
tfa_cont_profile_name(dev, next_profile));
}
for (dev = 0; dev < devcount; dev++) {
active_profile = tfa_get_swprof(dev);
/* After loading calibration profile
* we need to load acoustic shock profile
*/
if (cal_profile >= 0) {
next_profile = 0;
pr_info("Loading %s profile to retore from cal!\n",
tfa_cont_profile_name(dev, next_profile));
}
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
if (active_handle != -1) {
if (!(active_handle & (1 << dev))) {
tfa_set_swprof(dev,
(unsigned short)next_profile);
tfa_set_swvstep(dev,
(unsigned short)
tfa_cont_get_current_vstep(dev));
continue;
}
}
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
/* check if the profile and steps are the one we want */
/* was it not done already */
if ((next_profile != active_profile && active_profile >= 0)
|| (istap_prof == 1)) {
pr_info("%s: update profile %d by writing\n",
__func__, next_profile);
err = tfa_cont_write_profile
(dev, next_profile, vstep[dev]);
if (err != TFA98XX_ERROR_OK) {
pr_err("%s: failed to update profile\n",
__func__);
goto error_exit;
}
if (handles_local[dev].is_cold == 0) {
if (handles_local[0].ext_dsp == 1) {
pr_debug("%s: flush buffer in blob, in warm start\n",
__func__);
tfa_tib_dsp_msgblob(0, -2, NULL);
}
}
}
/* If the profile contains the .standby suffix go
* to powerdown else we should be in operating state
*/
if (strnstr(tfa_cont_profile_name(dev, next_profile),
".standby", strlen(tfa_cont_profile_name
(dev, next_profile))) != NULL) {
err = tfa98xx_powerdown(dev, 1);
} else if (TFA_GET_BF(dev, PWDN) != 0) {
#if defined(USE_TFA9896)
/* First digital mute to avoid pop sound */
err = tfa98xx_set_mute(dev, TFA98XX_MUTE_DIGITAL);
/* power on: set PWDN = 0 */
err = tfa_cf_powerup(dev);
/* show status after power up */
tfa_status_read(dev);
#else
err = tfa98xx_powerdown(dev, 0);
#endif
}
if (err != TFA98XX_ERROR_OK)
goto error_exit;
/* assure FAIM is disabled (disable it when unneccesery) */
err = tfa98xx_faim_protect(dev, 0);
if (err) {
pr_info("%s: error in disabling FAIM protection!\n",
__func__);
goto error_exit;
}
if (tfa98xx_runtime_verbose)
pr_debug("%s: MTP clock disabled\n", __func__);
/* Make sure internal oscillator is running for DSP devices
* (non-dsp and max1 this is no-op)
*/
tfa98xx_set_osc_powerdown(dev, 0);
if (tfa98xx_runtime_verbose && tfa98xx_dev_family(dev) == 2)
err = show_current_state(dev);
/* Optimize Intelligent boost trip level
* based on Re25 measurements
*/
err = tfa98xx_set_boost_trip_level();
tfa_set_swprof(dev, (unsigned short)next_profile);
tfa_set_swvstep
(dev, (unsigned short)tfa_cont_get_current_vstep(dev));
}
for (dev = 0; dev < devcount; dev++) {
if (tfa98xx_runtime_verbose && (tfa98xx_dev_family(dev) == 2))
show_current_state(dev);
#if defined(TFA_USE_DEVICE_SPECIFIC_CONTROL)
if (active_handle != -1) {
if (!(active_handle & (1 << dev))) {
tfa_cont_close(dev); /* close all of them */
continue;
}
}
#endif /* TFA_USE_DEVICE_SPECIFIC_CONTROL */
tfa_run_unmute(dev); /* unmute */
tfa_cont_close(dev); /* close all of them */
}
return err;
error_exit:
if (dev < devcount)
if (tfa98xx_runtime_verbose && (tfa98xx_dev_family(dev) == 2))
show_current_state(dev);
for (dev = 0; dev < devcount; dev++)
tfa_cont_close(dev); /* close all of them */
return err;
}
enum tfa_error tfa_stop(void)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int dev, devcount = tfa98xx_cnt_max_device();
if (devcount == 0) {
pr_err("No or wrong container file loaded\n");
return tfa_error_bad_param;
}
for (dev = 0; dev < devcount; dev++) {
err = tfa_cont_open(dev);
if (err != TFA98XX_ERROR_OK)
goto error_exit;
if (tfa98xx_runtime_verbose)
pr_debug("Stopping device [%s]\n",
tfa_cont_device_name(dev));
#if defined(USE_TFA9896)
tfa_status_read(dev);
#endif
err = _tfa_stop(dev);
if (err != TFA98XX_ERROR_OK)
goto error_exit;
/* check only master device */
if (handles_local[0].ext_dsp == 1) {
/* flush message buffer */
pr_debug("%s: flush buffer in blob, at stop\n",
__func__);
err = tfa_tib_dsp_msgblob(dev, -2, NULL);
}
}
error_exit:
for (dev = 0; dev < devcount; dev++)
tfa_cont_close(dev); /* close all of them */
return err;
}
static enum tfa_error _tfa_stop(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
/* mute */
err = tfa_run_mute(handle);
/* Make sure internal oscillator is not running for DSP devices
* (non-dsp and max1 this is no-op)
*/
tfa98xx_set_osc_powerdown(handle, 1);
/* powerdown CF */
err = tfa98xx_powerdown(handle, 1);
if (err != TFA98XX_ERROR_OK)
return err;
if (handles_local[handle].ext_dsp == 1) {
/* flush message buffer */
pr_debug("%s: flush buffer in blob, at stop\n",
__func__);
tfa_tib_dsp_msgblob(handle, -2, NULL);
}
/* Workaround for ticket PLMA5337 */
if ((handles_local[handle].rev & 0xff) == 0x72)
TFA_SET_BF_VOLATILE(handle, AMPE, 0);
/* disable I2S output on TFA1 devices without TDM */
tfa98xx_aec_output(handle, 0);
if (err != TFA98XX_ERROR_OK) {
#if defined(USE_TFA9896)
tfa_status_read(handle);
#endif
/* reset device if DSP is not responding */
tfa_reset();
}
return err;
}
/*
* int registers and coldboot dsp
*/
int tfa98xx_reset(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
err = -TFA_SET_BF_VOLATILE(handle, I2CR, 1);
if (err)
return err;
/* restore MANSCONF to POR state */
TFA_SET_BF_VOLATILE(handle, MANSCONF, 0);
if ((handles_local[handle].rev & 0xff) != 0x72) {
/* restore MANCOLD to POR state */
TFA_SET_BF_VOLATILE(handle, MANCOLD, 1);
/* powerup CF to access CF io */
tfa98xx_powerdown(handle, 0);
/* for clock */
err = tfa_cf_powerup(handle);
PRINT_ASSERT(err);
/* force cold boot */
err = tfa_run_coldboot(handle, 1); /* set ACS */
PRINT_ASSERT(err);
/* reset all i2C registers to default */
err = -TFA_SET_BF(handle, I2CR, 1);
PRINT_ASSERT(err);
}
return err;
}
enum tfa_error tfa_reset(void)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int handle_in_use = 0;
int dev, devcount = tfa98xx_cnt_max_device();
for (dev = 0; dev < devcount; dev++) {
err = tfa_cont_open(dev);
if (err != TFA98XX_ERROR_OK)
handle_in_use = 1;
if (tfa98xx_runtime_verbose)
pr_debug("resetting device [%s]\n",
tfa_cont_device_name(dev));
#if defined(REDUCED_REGISTER_SETTING)
handles_local[dev].first_after_boot = 1;
#endif
err = tfa98xx_reset(dev);
if (err != TFA98XX_ERROR_OK)
break;
if (!handle_in_use)
tfa_cont_close(dev);
}
return err;
}
/*
* Write all the bytes specified by num_bytes and data
*/
enum tfa98xx_error
tfa98xx_write_data(tfa98xx_handle_t handle,
unsigned char subaddress, int num_bytes,
const unsigned char data[])
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
/* subaddress followed by data */
const int bytes2write = num_bytes + 1;
unsigned char *write_data;
if (num_bytes > TFA2_MAX_PARAM_SIZE)
return TFA98XX_ERROR_BAD_PARAMETER;
write_data = kmalloc(bytes2write, GFP_KERNEL);
if (write_data == NULL)
return TFA98XX_ERROR_FAIL;
write_data[0] = subaddress;
memcpy(&write_data[1], data, num_bytes);
error = tfa98xx_write_raw(handle, bytes2write, write_data);
kfree(write_data);
return error;
}
/*
* fill the calibration value as milli ohms in the struct
*
* assume that the device has been calibrated
*/
enum tfa98xx_error
tfa_dsp_get_calibration_impedance(tfa98xx_handle_t handle)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int spkr_count, nr_bytes, i, dev;
/* unsigned char bytes[6] = {0}; */
unsigned char bytes[TFACONT_MAXDEVS * 9] = {0}; /* 3 data */
unsigned int scaled_data[2];
/* int data[2]; */
int data[3]; /* 3 data */
error = tfa98xx_supported_speakers(handle, &spkr_count);
if (error != TFA98XX_ERROR_OK) {
pr_err("error in checking supported speakers\n");
return error;
}
if ((handles_local[handle].rev & 0xff) == 0x72) {
if (TFA_GET_BF(handle, MTPOTC)
&& TFA_GET_BF(handle, MTPEX)) {
pr_debug("Getting calibration values from MTP\n");
handles_local[handle].mohm[0] =
tfa_read_reg(handle,
(uint16_t)TFA_MK_BF((0xF5), 0, 16));
/* stereo */
if ((spkr_count > 1)
&& ((handle + 1) < tfa98xx_cnt_max_device())) {
dev = handle + 1;
if (!tfa98xx_handle_is_open(dev)) {
/* If handle is not
* open, try to open
*/
error = tfa_cont_open(dev);
if (error != TFA98XX_ERROR_OK)
return error;
handles_local[dev].mohm[0] =
tfa_read_reg(dev, (uint16_t)
TFA_MK_BF((0xF5), 0, 16));
tfa_cont_close(dev);
} else {
handles_local[dev].mohm[0] =
tfa_read_reg(dev, (uint16_t)
TFA_MK_BF((0xF5), 0, 16));
}
}
} else {
pr_debug("Getting calibration values from Speakerboost\n");
/* nr_bytes = spkr_count * 3; */
nr_bytes = spkr_count * 9; /* 3 data */
pr_info("%s: read SB_PARAM_GET_RE25C\n",
__func__);
error = tfa_dsp_cmd_id_write_read
(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_GET_RE25C,
nr_bytes, bytes);
if (error == TFA98XX_ERROR_OK) {
tfa98xx_convert_bytes2data
(nr_bytes, bytes, data);
/* signed data has`
* a limit of 30 Ohm
*/
/* scaled_data[0] = data[0]; */
/* scaled_data[1] = data[1]; */
scaled_data[0] = data[1];
/* first data */
scaled_data[1] = data[2];
/* second data */
for (i = 0; i < spkr_count; i++) {
handles_local[i].mohm[0] =
(scaled_data[i]*1000)/TFA_FW_ReZ_SCALE;
}
} else {
for (i = 0; i < spkr_count; i++)
handles_local[i].mohm[0] = -1;
}
}
} else if (TFA_GET_BF(handle, MTPOTC)
&& (((handles_local[handle].rev & 0xff) == 0x88)
|| ((handles_local[handle].rev & 0xff) == 0x13)
|| ((handles_local[handle].rev & 0xff) == 0x94))) {
if (tfa98xx_runtime_verbose)
pr_debug("Getting calibration values from MTP\n");
for (i = 0; i < spkr_count; i++) {
handles_local[i].mohm[0] =
tfa_read_reg(handle, (uint16_t)
TFA_MK_BF((0xF4 + i), 0, 16));
}
} else {
/* Get values from speakerboost */
if (tfa98xx_runtime_verbose)
pr_debug("Getting calibration values from Speakerboost\n");
/* nr_bytes = spkr_count * 3; */
nr_bytes = spkr_count * 9; /* 3 data */
error = tfa_dsp_cmd_id_write_read
(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_GET_RE25C,
nr_bytes, bytes);
if (error == TFA98XX_ERROR_OK) {
tfa98xx_convert_bytes2data
(nr_bytes, bytes, data);
for (i = 0; i < spkr_count; i++)
handles_local[i].mohm[0] =
(data[i]*1000)/TFA_FW_ReZ_SCALE;
} else {
for (i = 0; i < spkr_count; i++)
handles_local[i].mohm[0] = -1;
}
}
return error;
}
enum tfa98xx_error
tfa_mtp_get_calibration(tfa98xx_handle_t handle, uint16_t *cal_data)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
*cal_data = (uint16_t)tfa_read_reg
(handle, (uint16_t)TFA_MK_BF(0xF5, 0, 16));
return err;
}
enum tfa98xx_error
tfa_mtp_set_calibration(tfa98xx_handle_t handle, uint16_t cal_data)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int loop;
tfa98xx_key2(handle, 0); /* unlock */
/* Write calibration values to MTP shadow register */
err = tfa_write_reg(handle, (uint16_t)TFA_MK_BF(0xF5, 0, 16), cal_data);
if (err != TFA98XX_ERROR_OK)
return err;
/* CIMTP=1 start copying all the data from i2c regs_mtp to mtp*/
err = TFA_SET_BF(handle, CIMTP, 1);
if (err != TFA98XX_ERROR_OK)
return err;
/* no check for MTPBUSY here, i2c delay assumed to be enough */
tfa98xx_key2(handle, 1); /* lock */
/* wait until MTP write is done */
for (loop = 0; loop < 100/*x10ms*/; loop++) {
msleep_interruptible(10); /* wait 10ms to avoid busload */
if ((handles_local[handle].rev & 0xff) == 0x94) {
if (tfa_get_bf(handle, TFA9894_BF_MTPB) == 0)
return TFA98XX_ERROR_OK;
} else {
if (TFA_GET_BF(handle, MTPB) == 0)
return TFA98XX_ERROR_OK;
}
}
return TFA98XX_ERROR_STATE_TIMED_OUT;
}
/* start count from 1, 0 is invalid */
int tfa_get_swprof(tfa98xx_handle_t handle)
{
unsigned short rev = handles_local[handle].rev & 0xff;
/* get from register if not set yet */
if (handles_local[handle].profile < 0) {
switch (rev) {
case 0x72:{
handles_local[handle].profile =
tfa_get_bf(handle, TFA9872_BF_SWPROFIL) - 1;
break;
}
case 0x88:{
handles_local[handle].profile =
TFA_GET_BF(handle, SWPROFIL) - 1;
break;
}
case 0x13:{
handles_local[handle].profile =
tfa_get_bf(handle, TFA9912_BF_SWPROFIL) - 1;
break;
}
case 0x94:{
handles_local[handle].profile =
tfa_get_bf(handle, TFA9894_BF_SWPROFIL) - 1;
break;
}
default:
break;
}
}
return handles_local[handle].profile;
}
int tfa_set_swprof(tfa98xx_handle_t handle, unsigned short new_value)
{
int mtpk, active_value = tfa_get_swprof(handle);
unsigned short rev = handles_local[handle].rev & 0xff;
handles_local[handle].profile = new_value;
switch (rev) {
case 0x72:
tfa_set_bf_volatile(handle, TFA9872_BF_SWPROFIL, new_value + 1);
break;
case 0x88:
TFA_SET_BF_VOLATILE(handle, SWPROFIL, new_value + 1);
break;
case 0x13:
tfa_set_bf_volatile(handle, TFA9912_BF_SWPROFIL, new_value + 1);
break;
case 0x94:
tfa_set_bf_volatile(handle, TFA9894_BF_SWPROFIL, new_value + 1);
break;
default:
/* for max1 devices */
/* it's in MTP shadow, so unlock if not done already */
mtpk = TFA_GET_BF(handle, MTPK); /* get current key */
TFA_SET_BF_VOLATILE(handle, MTPK, 0x5a);
TFA_SET_BF_VOLATILE(handle, SWPROFIL, new_value + 1);
/* set current profile */
TFA_SET_BF_VOLATILE(handle, MTPK, (uint16_t)mtpk);
/* restore key */
}
return active_value;
}
/* same value for all channels
* start count from 1, 0 is invalid
*/
int tfa_get_swvstep(tfa98xx_handle_t handle)
{
int value = 0;
unsigned short rev = handles_local[handle].rev & 0xff;
if (handles_local[handle].vstep[0] > 0)
return handles_local[handle].vstep[0] - 1;
switch (rev) {
case 0x72:
value = tfa_get_bf(handle, TFA9872_BF_SWVSTEP);
break;
case 0x88:
value = TFA_GET_BF(handle, SWVSTEP);
break;
case 0x13:
value = tfa_get_bf(handle, TFA9912_BF_SWVSTEP);
break;
case 0x94:
value = tfa_get_bf(handle, TFA9894_BF_SWVSTEP);
break;
}
handles_local[handle].vstep[0] = value;
handles_local[handle].vstep[1] = value;
return value-1; /* invalid if 0 */
}
int tfa_set_swvstep(tfa98xx_handle_t handle, unsigned short new_value)
{
int mtpk, active_value = tfa_get_swvstep(handle);
unsigned short rev = handles_local[handle].rev & 0xff;
handles_local[handle].vstep[0] = new_value;
handles_local[handle].vstep[1] = new_value;
switch (rev) {
case 0x72:
tfa_set_bf_volatile(handle, TFA9872_BF_SWVSTEP, new_value + 1);
break;
case 0x88:
TFA_SET_BF_VOLATILE(handle, SWVSTEP, new_value + 1);
break;
case 0x13:
tfa_set_bf_volatile(handle, TFA9912_BF_SWVSTEP, new_value + 1);
break;
case 0x94:
tfa_set_bf_volatile(handle, TFA9894_BF_SWVSTEP, new_value + 1);
break;
default:
/* for max1 devices */
/* it's in MTP shadow, so unlock if not done already */
mtpk = TFA_GET_BF(handle, MTPK); /* get current key */
TFA_SET_BF_VOLATILE(handle, MTPK, 0x5a);
TFA_SET_BF_VOLATILE(handle, SWVSTEP, new_value+1);
/* set current vstep[0] */
TFA_SET_BF_VOLATILE(handle, MTPK, (uint16_t)mtpk);
/* restore key */
}
return active_value;
}
int tfa_is_cold(tfa98xx_handle_t handle)
{
int value;
/* check only master device */
if ((handles_local[0].ext_dsp)
|| ((handles_local[handle].rev & 0xff) == 0x72)) {
/* If device is already in operating state
* then it has to be warm! (for profile switching)
*/
if (TFA_GET_BF(handle, MANSTATE) == 9)
value = 0; /* warm */
else
value = 1; /* cold */
} else {
value = TFA_GET_BF(handle, ACS);
}
return value;
}
int tfa_is_cold_amp(tfa98xx_handle_t handle)
{
int value;
/* check only master device */
if ((handles_local[0].ext_dsp)
|| ((handles_local[handle].rev & 0xff) == 0x72))
/*
* for non-dsp device reading MANSCONF
* (src_set_configured) is a way
* to check for cold boot status
*/
value = (TFA_GET_BF(handle, MANSCONF) == 0);
else
value = TFA_GET_BF(handle, ACS);
return value;
}
int tfa_cf_enabled(tfa98xx_handle_t handle)
{
int value;
/* For 72 there is no CF */
if ((handles_local[handle].rev & 0xff) == 0x72)
/* check only master device */
value = (handles_local[0].ext_dsp != 0);
else
value = TFA_GET_BF(handle, CFE);
return value;
}
enum tfa98xx_error tfa98xx_set_boost_trip_level(void)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int dev, devcount = tfa98xx_cnt_max_device();
unsigned short Re25C = 0, local_open = 0;
for (dev = 0; dev < devcount; dev++) {
if (!tfa98xx_handle_is_open(dev)) {
/* If handle is not open, try to open */
error = tfa_cont_open(dev);
if (error != TFA98XX_ERROR_OK)
return error;
local_open = 1;
}
/* If we dont have an MMAP (72 stand alone)
* to access try reading the value from MTP
*/
if (Re25C == 0) {
unsigned char mtp_reg_addr = 0xF5;
/* mtp_reg_addr of tfa2 family as default */
/* set the MTP register address,
* depending on the tfa device family
*/
if (handles_local[dev].tfa_family == 1)
mtp_reg_addr = 0x83;
else {
if (handles_local[dev].tfa_family == 2)
mtp_reg_addr = 0xF5;
}
Re25C = (unsigned short)tfa_read_reg(dev,
(uint16_t)TFA_MK_BF
((mtp_reg_addr), 0, 16));
}
if (handles_local[dev].dev_ops.tfa_set_boost_trip_level)
error = (*handles_local[dev]
.dev_ops.tfa_set_boost_trip_level)(dev, Re25C);
/* If locally opened we also need to close! */
if (local_open == 1)
tfa_cont_close(dev);
}
return error;
}
/*
* tfa external interfacing and event handling
*/
/**
* parse the event and call driver in case of tfadsp event
*/
static int
tfa_dsp_handle_event(tfa98xx_handle_t handle,
enum tfadsp_event_en tfadsp_event)
{
int retval = handles_local[handle].rev; /* return revid by default */
enum tfa_error err;
switch (tfadsp_event) {
case TFADSP_EXT_PWRUP: /*DSP starting*/
/* pr_info("set cold\n"); */
handles_local[handle].ext_dsp = 1;
handles_local[handle].is_cold = 1;
#if defined(REDUCED_REGISTER_SETTING)
handles_local[handle].first_after_boot = 1;
#endif
break;
case TFADSP_CMD_READY: /*Ready to receive commands*/
/* confirm */
pr_info("TFADSP_CMD_READY: call tfa_start to send msgs\n");
pr_info("TFADSP_CMD_READY: set cold\n");
handles_local[handle].ext_dsp = 1;
err = tfa_start
(handles_local[handle].profile,
handles_local[handle].vstep);
if (err == tfa_error_ok) {
handles_local[handle].ext_dsp = 2; /* set warm */
handles_local[handle].is_cold = 0;
retval = 0;
} else
retval = -1*err;
break;
/*
* case TFADSP_WARM: // config complete
* enable amp
* send Re0
* await pilot tone [audio power detect]
* audio active
* break;
*/
case TFADSP_EXT_PWRDOWN: /* DSP stopping */
pr_info("disable ext dsp\n");
handles_local[handle].ext_dsp = 0; /* unregister */
/* amp off */
break;
case TFADSP_SOFT_MUTE_READY:
/* [audio low power detect]: Muting completed */
break;
case TFADSP_VOLUME_READY: /* Volume change completed */
break;
case TFADSP_DAMAGED_SPEAKER: /* Damaged speaker was detected */
/* amp off */
break;
default:
pr_err("%s: unknown tfadsp event:0x%0x\n",
__func__, tfadsp_event);
retval = -1;
break;
}
handles_local[handle].tfadsp_event = tfadsp_event;
/* record active event */
return retval;
}
/* Since this is only valid for Tiberius we can set this for 2 handles,
* regardless if we are mono or stereo.
*/
/* int tfa_ext_register(dsp_write_reg_t tfa_write_reg,
* dsp_send_message_t tfa_send_message,
* dsp_read_message_t tfa_read_message,
* tfa_event_handler_t *tfa_event_handler)
*/
int tfa_ext_register(dsp_send_message_t tfa_send_message,
dsp_read_message_t tfa_read_message,
tfa_event_handler_t *tfa_event_handler)
{
/* handles_local[0].rev = 0x1b72; // added for smart studio. */
/* pr_info("%s: device type (0x%02x)\n",
* __func__, handles_local[0].rev);
* if (((handles_local[0].rev & 0xff) == 0x72)
* || (handles_local[0].ext_dsp != 0))
*/
{
/*
* if (tfa_write_reg != NULL) {
* handles_local[0].dev_ops.reg_write =
* (reg_write_t)tfa_write_reg;
* handles_local[1].dev_ops.reg_write =
* (reg_write_t)tfa_write_reg;
* }
*/
/* master device only: external is always device 0,
* Don't do this for device 1!
*/
handles_local[0].ext_dsp = 1; /* set cold 1st msg */
handles_local[0].is_cold = 1;
handles_local[0].profile = 0;
handles_local[1].profile = 0;
handles_local[0].dev_ops.dsp_msg = (dsp_msg_t)tfa_send_message;
handles_local[1].dev_ops.dsp_msg = (dsp_msg_t)tfa_send_message;
handles_local[0].dev_ops.dsp_msg_read =
(dsp_msg_read_t)tfa_read_message;
handles_local[1].dev_ops.dsp_msg_read =
(dsp_msg_read_t)tfa_read_message;
if (tfa_event_handler != NULL)
*tfa_event_handler = tfa_dsp_handle_event;
}
return 0;
}
EXPORT_SYMBOL(tfa_ext_register);
/* This is required to set the right status when remote is used */
void tfa_ext_set_ext_dsp(int value)
{
handles_local[0].ext_dsp = value;
}
#define NR_COEFFS 6
#define NR_BIQUADS 28
#define BQ_SIZE (3 * NR_COEFFS)
#define DSP_MSG_OVERHEAD 27
#pragma pack(push, 1)
struct dsp_msg_all_coeff {
uint8_t select_eq[3];
uint8_t biquad[NR_BIQUADS][NR_COEFFS][3];
};
#pragma pack(pop)
/* number of biquads for each equalizer */
static const int eq_biquads[] = {
10, 10, 2, 2, 2, 2
};
#define NR_EQ (int)(sizeof(eq_biquads) / sizeof(int))
enum tfa98xx_error
dsp_partial_coefficients(tfa98xx_handle_t dev_idx,
uint8_t *prev, uint8_t *next)
{
uint8_t bq, eq;
int eq_offset;
int new_cost, old_cost;
uint32_t eq_biquad_mask[NR_EQ];
enum tfa98xx_error err = TFA98XX_ERROR_OK;
struct dsp_msg_all_coeff *data1 = (struct dsp_msg_all_coeff *)prev;
struct dsp_msg_all_coeff *data2 = (struct dsp_msg_all_coeff *)next;
old_cost = DSP_MSG_OVERHEAD + 3 + sizeof(struct dsp_msg_all_coeff);
new_cost = 0;
eq_offset = 0;
for (eq = 0; eq < NR_EQ; eq++) {
uint8_t *eq1 = &data1->biquad[eq_offset][0][0];
uint8_t *eq2 = &data2->biquad[eq_offset][0][0];
eq_biquad_mask[eq] = 0;
if (memcmp(eq1, eq2, BQ_SIZE*eq_biquads[eq]) != 0) {
int nr_bq = 0;
int bq_sz, eq_sz;
for (bq = 0; bq < eq_biquads[eq]; bq++) {
uint8_t *bq1 = &eq1[bq*BQ_SIZE];
uint8_t *bq2 = &eq2[bq*BQ_SIZE];
if (memcmp(bq1, bq2, BQ_SIZE) != 0) {
eq_biquad_mask[eq] |= (1 << bq);
nr_bq++;
}
}
bq_sz = (2 * 3 + BQ_SIZE) * nr_bq;
eq_sz = 2 * 3 + BQ_SIZE * eq_biquads[eq];
/* dsp message i2c transaction overhead */
bq_sz += DSP_MSG_OVERHEAD * nr_bq;
eq_sz += DSP_MSG_OVERHEAD;
if (bq_sz >= eq_sz) {
eq_biquad_mask[eq] = 0xffffffff;
new_cost += eq_sz;
} else {
new_cost += bq_sz;
}
}
pr_debug("eq_biquad_mask[%d] = 0x%.8x\n",
eq, eq_biquad_mask[eq]);
eq_offset += eq_biquads[eq];
}
pr_debug("cost for writing all coefficients = %d\n", old_cost);
pr_debug("cost for writing changed coefficients = %d\n", new_cost);
if (new_cost >= old_cost) {
const int buffer_sz = 3 + sizeof(struct dsp_msg_all_coeff);
uint8_t *buffer;
buffer = kmalloc(buffer_sz, GFP_KERNEL);
if (buffer == NULL)
return TFA98XX_ERROR_FAIL;
/* cmd id */
buffer[0] = 0x00;
buffer[1] = 0x82;
buffer[2] = 0x00;
/* parameters */
memcpy(&buffer[3], data2, sizeof(struct dsp_msg_all_coeff));
err = dsp_msg(dev_idx, buffer_sz, (const char *)buffer);
kfree(buffer);
return err;
}
/* (new_cost < old_cost) */
eq_offset = 0;
for (eq = 0; eq < NR_EQ; eq++) {
uint8_t *eq2 = &data2->biquad[eq_offset][0][0];
if (eq_biquad_mask[eq] == 0xffffffff) {
const int msg_sz = 6 + BQ_SIZE * eq_biquads[eq];
uint8_t *msg;
msg = kmalloc(msg_sz, GFP_KERNEL);
if (msg == NULL)
return TFA98XX_ERROR_FAIL;
/* cmd id */
msg[0] = 0x00;
msg[1] = 0x82;
msg[2] = 0x00;
/* select eq and bq */
msg[3] = 0x00;
msg[4] = eq + 1;
msg[5] = 0x00; /* all biquads */
/* biquad parameters */
memcpy(&msg[6], eq2, BQ_SIZE * eq_biquads[eq]);
err = dsp_msg(dev_idx, msg_sz, (const char *)msg);
kfree(msg);
if (err)
return err;
} else if (eq_biquad_mask[eq] != 0) {
const int msg_sz = 6 + BQ_SIZE;
uint8_t *msg;
msg = kmalloc(msg_sz, GFP_KERNEL);
if (msg == NULL)
return TFA98XX_ERROR_FAIL;
for (bq = 0; bq < eq_biquads[eq]; bq++) {
if (eq_biquad_mask[eq] & (1 << bq)) {
uint8_t *bq2
= &eq2[bq * BQ_SIZE];
/* cmd id */
msg[0] = 0x00;
msg[1] = 0x82;
msg[2] = 0x00;
/* select eq and bq */
msg[3] = 0x00;
msg[4] = eq + 1;
msg[5] = bq + 1;
/* biquad parameters */
memcpy(&msg[6], bq2, BQ_SIZE);
err = dsp_msg(dev_idx, msg_sz,
(const char *)msg);
if (err) {
kfree(msg);
return err;
}
}
}
kfree(msg);
}
eq_offset += eq_biquads[eq];
}
return err;
}
int get_manager_state(tfa98xx_handle_t handle)
{
int manstate = -1;
/* First we need to find the current manager state */
if (tfa98xx_dev_family(handle) == 2) {
manstate = TFA_GET_BF(handle, MANSTATE);
} else {
/* For max1 we dont have a manager state bitfield
* so we need to determine the Manager state ourself
*/
if (TFA_GET_BF(handle, PWDN) == 1) {
/* we are in powerdown state */
manstate = 0;
} else if (TFA_GET_BF(handle, SBSL) == 0) {
/* we are in initCF state */
manstate = 6;
} else if (TFA_GET_BF(handle, AMPS) == 1) {
/* we are in operating state */
manstate = 9;
} else {
/* we are in unknown state? */
if (tfa98xx_runtime_verbose)
pr_debug("Error: Unknown state!\n");
return TFA_ERROR;
}
}
return manstate;
}
int set_manager_state(tfa98xx_handle_t handle, int state_nr)
/* TODO CHANGE INT TO ENUM! */
{
int manstate, not_possible = 0;
/* Get the current manager state */
manstate = get_manager_state(handle);
if (manstate < 0)
return TFA98XX_ERROR_BAD_PARAMETER;
if (tfa98xx_runtime_verbose)
pr_debug("Current HW manager state for device %d is %d\n",
handle, manstate);
if (state_nr == manstate) {
if (tfa98xx_runtime_verbose)
pr_debug("HW manager state for device %d is already correct\n",
handle);
return TFA98XX_ERROR_OK;
}
/* It is not possible to switch to every state:
* For example: From powerdown to operating is not possible,
* we cannot do this with setting bitfield alone
*/
if (tfa98xx_dev_family(handle) == 2) {
if (manstate == 0 && (state_nr != 6 && state_nr != 1))
not_possible = 1;
else if (manstate == 1 && (state_nr != 6 && state_nr != 0))
not_possible = 1;
else if (manstate == 6 && (state_nr != 9 && state_nr != 0))
not_possible = 1;
else if (manstate == 9 && state_nr != 0)
not_possible = 1;
else {
/* [11/14/2016]: Needs more testing
* to find the corner cases!
*/
switch (state_nr) {
case 0:
TFA_SET_BF(handle, PWDN, 1);
break;
case 1:
TFA_SET_BF(handle, SBSL, 0);
TFA_SET_BF(handle, MANSCONF, 0);
TFA_SET_BF(handle, PWDN, 0);
break;
case 6:
TFA_SET_BF(handle, SBSL, 0);
TFA_SET_BF(handle, MANSCONF, 1);
TFA_SET_BF(handle, PWDN, 0);
break;
case 9:
TFA_SET_BF(handle, SBSL, 1);
break;
}
}
} else {
if (manstate == 0 && state_nr != 6)
not_possible = 1;
else if (manstate == 6 && (state_nr != 9 && state_nr != 0))
not_possible = 1;
else if (manstate == 9 && state_nr != 0)
not_possible = 1;
else {
/* [11/14/2016]: Needs more testing
* to find the corner cases!
*/
switch (state_nr) {
case 0:
TFA_SET_BF(handle, PWDN, 1);
break;
case 6:
TFA_SET_BF(handle, SBSL, 0);
TFA_SET_BF(handle, PWDN, 0);
break;
case 9:
TFA_SET_BF(handle, SBSL, 1);
break;
}
}
}
if (not_possible) {
pr_debug("Error: It is not possible to switch to state %d from current state %d\n",
state_nr, manstate);
return TFA98XX_ERROR_BAD_PARAMETER;
}
msleep_interruptible(100);
/* wait 100ms to get the correct state */
manstate = get_manager_state(handle);
if (manstate < 0)
return TFA98XX_ERROR_BAD_PARAMETER;
if (tfa98xx_runtime_verbose)
pr_debug("New HW manager state for device %d is %d\n",
handle, manstate);
return TFA98XX_ERROR_OK;
}
static void tfa_status_read(tfa98xx_handle_t handle)
{
enum tfa98xx_error err;
uint16_t regval;
if (tfa_get_verbose() > 1) {
regval = 0;
err = reg_read(handle, 0x00, &regval);
pr_debug("[%d] System Status 0x00: 0x%04x\n", handle, regval);
regval = 0;
err = reg_read(handle, 0x04, &regval);
pr_debug("[%d] Audio Control 0x04: 0x%04x\n", handle, regval);
regval = 0;
err = reg_read(handle, 0x09, &regval);
pr_debug("[%d] System Control 0x09: 0x%04x\n", handle, regval);
regval = 0;
err = reg_read(handle, 0x15, &regval);
pr_debug("[%d] TDM Status 0x15: 0x%04x\n", handle, regval);
}
}
/*****************************************************************************/
enum tfa98xx_error
tfa_tfadsp_get_calibration_impedance(tfa98xx_handle_t handle)
{
enum tfa98xx_error error = TFA98XX_ERROR_OK;
int spkr_count, nr_bytes, i;
/* unsigned char bytes[6] = {0}; */
unsigned char bytes[TFACONT_MAXDEVS * 9] = {0}; /* 3 data */
unsigned int scaled_data[2];
int data[3]; /* 3 data */
if ((handles_local[handle].stream_state & BIT_PSTREAM) != 1) {
pr_info("%s: no playback; getting calibration fail from tfadsp\n",
__func__);
return TFA98XX_ERROR_RPC_CALIB_FAILED;
}
error = tfa98xx_supported_speakers(handle, &spkr_count);
if (error == TFA98XX_ERROR_OK) {
pr_debug("%s: get calibration values from tfadsp\n",
__func__);
nr_bytes = spkr_count * 9; /* 3 data */
pr_info("%s: read SB_PARAM_GET_RE25C\n", __func__);
error = tfa_dsp_cmd_id_write_read
(handle,
MODULE_SPEAKERBOOST,
SB_PARAM_GET_RE25C,
nr_bytes, bytes);
if (error == TFA98XX_ERROR_OK) {
tfa98xx_convert_bytes2data(nr_bytes, bytes, data);
/* signed data has a limit of 30 Ohm */
scaled_data[0] = data[1]; /* first data */
scaled_data[1] = data[2]; /* second data */
for (i = 0; i < spkr_count; i++) {
handles_local[i].mohm[0] =
(scaled_data[i] * 1000)
/ TFA_FW_ReZ_SCALE;
}
} else {
for (i = 0; i < spkr_count; i++)
handles_local[i].mohm[0] = -1;
}
}
return error;
}
enum tfa98xx_error tfa_tfadsp_calibrate(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int cal_prof_idx = 0, cur_prof_idx = 0;
if ((handles_local[handle].stream_state & BIT_PSTREAM) != 1) {
pr_info("%s: no playback; speaker init calibration fail\n",
__func__);
return TFA98XX_ERROR_RPC_CALIB_FAILED;
}
pr_info("%s: begin\n", __func__);
if (TFA_GET_BF(handle, MTPEX) == 1) {
pr_debug("speaker is already calibrated; reset MTPEX first\n");
/* reset MTPEX */
err = tfa98xx_set_mtp(handle, 0
<< TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_POS,
TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_MSK);
if (err) {
pr_err("%s: setting MPTEX failed, err (%d)\n",
__func__, err);
return TFA98XX_ERROR_RPC_CALIB_FAILED;
}
}
cur_prof_idx = tfa_get_swprof(handle);
cal_prof_idx = tfa_cont_get_cal_profile(handle);
if (cal_prof_idx < 0)
cal_prof_idx = 0;
pr_info("%s: set profile for calibration cal_prof_idx %d (from %d)\n",
__func__, cal_prof_idx, cur_prof_idx);
err = tfa_cont_write_files(handle);
PRINT_ASSERT(err);
err = tfa_cont_write_regs_prof(handle, cal_prof_idx);
PRINT_ASSERT(err);
err = tfa_cont_write_files_prof(handle, cal_prof_idx, 0);
PRINT_ASSERT(err);
tfa_set_swprof(handle, (unsigned short)cal_prof_idx);
pr_info("%s: set_calibration (cal)\n", __func__);
/* SetRe25C with {0, 0} */
#if defined(SET_CALIBRATION_AT_ALL_DEVICE_READY)
/* force to set calibrate all by calling last device */
err = tfa_set_calibration_values(tfa98xx_cnt_max_device() - 1);
#else
err = tfa_set_calibration_values(handle);
#endif
PRINT_ASSERT(err);
/* run calibration */
#if defined(WRITE_CALIBRATION_DATA_TO_MTP)
if (TFA_GET_BF(handle, MTPEX) == 0)
err = tfa_tfadsp_wait_calibrate_done(handle);
#else
err = tfa_tfadsp_wait_calibrate_done(handle);
#endif
/* restore profile */
pr_info("%s: set profile for restoration cur_prof_idx %d\n",
__func__, cur_prof_idx);
err = tfa_cont_write_files(handle);
PRINT_ASSERT(err);
err = tfa_cont_write_regs_prof(handle, cur_prof_idx);
PRINT_ASSERT(err);
err = tfa_cont_write_files_prof(handle, cur_prof_idx, 0);
PRINT_ASSERT(err);
tfa_set_swprof(handle, (unsigned short)cur_prof_idx);
pr_info("%s: set_calibration (post-cal)\n", __func__);
/* SetRe25C with {0, 0} */
#if defined(SET_CALIBRATION_AT_ALL_DEVICE_READY)
/* force to set calibrate all by calling last device */
err = tfa_set_calibration_values(tfa98xx_cnt_max_device() - 1);
#else
err = tfa_set_calibration_values(handle);
#endif
PRINT_ASSERT(err);
pr_info("%s: end\n", __func__);
return err;
}
static enum tfa98xx_error
tfa_tfadsp_wait_calibrate_done(tfa98xx_handle_t handle)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
struct tfa98xx_controls *controls =
&(handles_local[handle].dev_ops.controls);
char buffer[12] = {0};
int calibration_done = 0;
int otc_val = 1;
uint16_t readback;
int count;
int i, spkr_count = 1;
pr_info("%s: begin\n", __func__);
controls->calib.wr_value = true; /* request was triggered from here */
controls->calib.rd_valid = false; /* result not available */
controls->calib.rd_value = false; /* result not valid (default) */
pr_info("%s: wait until calibration is done\n", __func__);
for (count = 0;
count < MAX_WAIT_COUNT_UNTIL_CALIBRATION_DONE; count++) {
err = tfa_dsp_cmd_id_write_read
(handle, MODULE_FRAMEWORK, FW_PAR_ID_GET_STATUS_CHANGE,
9 /* 3 data */, (unsigned char *)buffer);
msleep_interruptible(100);
pr_debug("%s: err (%d), buffer (0x%x), count (%d)\n",
__func__, err, buffer[2], count);
if (buffer[8] & 0x1)
break;
}
if (count >= MAX_WAIT_COUNT_UNTIL_CALIBRATION_DONE) {
pr_err("%s: calibration failed from time out\n", __func__);
err = TFA98XX_ERROR_RPC_CALIB_BUSY;
goto wait_calibrate_done_error_exit;
}
err = tfa_tfadsp_get_calibration_impedance(handle);
if (err) {
pr_err("%s: getting calibration data failed, err (%d)\n",
__func__, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
}
pr_info("%s: calibration done\n", __func__);
calibration_done = 1;
err = tfa98xx_supported_speakers(handle, &spkr_count);
if (spkr_count == 1)
pr_debug("P: %d mOhms\n", handles_local[handle].mohm[0]);
else
pr_debug("P: %d mOhms, S: %d mOhms\n",
handles_local[0].mohm[0], handles_local[1].mohm[0]);
#if defined(CHECK_CALIBRATION_DATA_RANGE)
for (i = 0; i < spkr_count; i++) {
err = tfa_calibration_range_check
(i, handles_local[handle].mohm[0]);
if (err) {
calibration_done = 0;
pr_err("%s: calibration data is out of range: device %d\n",
__func__, i);
err = TFA98XX_ERROR_BAD_PARAMETER;
goto wait_calibrate_done_error_exit;
}
}
#endif
#if defined(WRITE_CALIBRATION_DATA_TO_MTP)
for (i = 0; i < spkr_count; i++) {
if ((handles_local[i].mohm[0] > 0) && calibration_done) {
err = tfa_mtp_set_calibration
(i, handles_local[i].mohm[0]);
if (err) {
pr_err("%s: writing calibration data failed to MTP, device %d err (%d)\n",
__func__, i, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
}
/* readback after writing onto MTP */
err = tfa_mtp_get_calibration(i, &readback);
if (err) {
pr_err("%s: reading calibration data back failed from MTP, device %d err (%d)\n",
__func__, i, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
}
/* write again if readback is out of range */
pr_info("%s: calibaration data %d, readback from MTP, device %d\n",
__func__, readback, i);
#if defined(CHECK_CALIBRATION_DATA_RANGE)
err = tfa_calibration_range_check(i, readback);
#else
err = (readback == 0) ?
TFA98XX_ERROR_BAD_PARAMETER : TFA98XX_ERROR_OK;
#endif
if (err) {
err = tfa_mtp_set_calibration
(i, handles_local[i].mohm[0]);
if (err) {
pr_err("%s: writing calibration data failed to MTP (2nd), device %d err (%d)\n",
__func__, i, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
}
}
if (controls->otc.deferrable
&& controls->otc.triggered) {
otc_val = controls->otc.wr_value;
pr_debug("Deferred writing otc = %d\n",
otc_val);
} else {
otc_val = 1;
}
/* set OTC <0:always 1:once> */
err = tfa98xx_set_mtp(i, (otc_val & 1)
<< TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_POS,
TFA98XX_KEY2_PROTECTED_MTP0_MTPOTC_MSK);
if (err) {
pr_info("%s: setting OTC failed, device %d err (%d)\n",
__func__, i, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
} else {
controls->otc.triggered = false;
controls->otc.wr_value = otc_val;
controls->otc.rd_value = otc_val;
}
/* set MTPEX */
err = tfa98xx_set_mtp(i, 1
<< TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_POS,
TFA98XX_KEY2_PROTECTED_MTP0_MTPEX_MSK);
if (err) {
pr_err("%s: setting MPTEX failed, device %d err (%d)\n",
__func__, i, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
}
/* readback after writing onto MTP and setting MTPEX */
err = tfa_mtp_get_calibration(i, &readback);
if (err) {
pr_err("%s: reading calibration data back failed from MTP (2nd), device %d err (%d)\n",
__func__, i, err);
err = TFA98XX_ERROR_RPC_CALIB_FAILED;
goto wait_calibrate_done_error_exit;
}
/* panic if readback is out of range */
pr_info("%s: calibaration data %d readback from MTP (2nd), device %d\n",
__func__, readback, i);
#if defined(CHECK_CALIBRATION_DATA_RANGE)
err = tfa_calibration_range_check(i, readback);
#else
err = (readback == 0) ?
TFA98XX_ERROR_BAD_PARAMETER : TFA98XX_ERROR_OK;
#endif
if (err) {
pr_err("%s: calibration data (%d) is out of range, readback from MTP, device %d\n",
__func__, readback, i);
panic("[AUDIO_BSP] SPK INIT CALIBRATION Fail.");
}
}
}
#endif /* WRITE_CALIBRATION_DATA_TO_MTP */
pr_info("%s: end\n", __func__);
wait_calibrate_done_error_exit:
if (err) {
controls->calib.wr_value = false;
/* request was not in triggered state */
controls->calib.rd_valid = false;
/* result not available */
controls->calib.rd_value = false;
/* result not valid (default) */
} else {
controls->calib.wr_value = false;
/* request was not in triggered state */
controls->calib.rd_valid = true;
/* result available */
controls->calib.rd_value = true;
/* result valid */
}
return err;
}
#if defined(CHECK_CALIBRATION_DATA_RANGE)
#define LOWER_LIMIT_CAL_N3B 0
#define UPPER_LIMIT_CAL_N3B 32000
#define LOWER_LIMIT_CAL_N1A 0
#define UPPER_LIMIT_CAL_N1A 32000
enum tfa98xx_error
tfa_calibration_range_check(tfa98xx_handle_t handle, int mohm)
{
enum tfa98xx_error err = TFA98XX_ERROR_OK;
int lower_limit_cal = LOWER_LIMIT_CAL_N3B,
upper_limit_cal = UPPER_LIMIT_CAL_N3B;
if (((handles_local[handle].rev >> 8) & 0xff) == 0x1a) {
lower_limit_cal = LOWER_LIMIT_CAL_N1A;
upper_limit_cal = UPPER_LIMIT_CAL_N1A;
}
pr_info("%s: calibration range chceck [%d, %d] with %d\n",
__func__, lower_limit_cal, upper_limit_cal, mohm);
if (mohm < lower_limit_cal || mohm > upper_limit_cal)
err = TFA98XX_ERROR_BAD_PARAMETER;
return err;
}
#endif /* CHECK_CALIBRATION_DATA_RANGE */
/**************************************************************************/