457 lines
12 KiB
C
Executable file
457 lines
12 KiB
C
Executable file
/*
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* Copyright (C) 2014-2020 NXP Semiconductors, All Rights Reserved.
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* Copyright 2020 GOODIX, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include "inc/dbgprint.h"
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#include "inc/tfa_service.h"
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#include "inc/tfa_internal.h"
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#include "inc/tfa_container.h"
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#include "inc/tfa98xx_tfafieldnames.h"
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/* The CurrentSense4 registers are not in the datasheet */
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#define TFA98XX_CURRENTSENSE4_CTRL_CLKGATECFOFF (1 << 2)
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#define TFA98XX_CURRENTSENSE4 0x49
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/*********************/
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/* GLOBAL (Defaults) */
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/*********************/
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static bool ipc_loaded;
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void tfa_set_ipc_loaded(int status)
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{
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pr_info("set ipc_loaded %d for tfadsp\n", status);
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ipc_loaded = (status) ? true : false;
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}
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int tfa_get_ipc_loaded(void)
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{
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pr_info("get ipc_loaded %d for tfadsp\n", ipc_loaded);
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return ipc_loaded ? 1 : 0;
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}
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static enum tfa98xx_error no_overload_function_available
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(struct tfa_device *tfa, int not_used)
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{
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(void)tfa;
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(void)not_used;
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return TFA98XX_ERROR_OK;
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}
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static enum tfa98xx_error no_overload_function_available2
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(struct tfa_device *tfa)
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{
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(void)tfa;
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return TFA98XX_ERROR_OK;
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}
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/* tfa98xx_dsp_system_stable
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* return: *ready = 1 when clocks are stable to allow DSP subsystem access
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*/
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static enum tfa98xx_error tfa_dsp_system_stable
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(struct tfa_device *tfa, int *ready)
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{
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enum tfa98xx_error error = TFA98XX_ERROR_OK;
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unsigned short status;
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int value;
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/* check the contents of the STATUS register */
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value = TFA_READ_REG(tfa, AREFS);
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if (value < 0) {
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error = -value;
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*ready = 0;
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_ASSERT(error); /* an error here can be fatal */
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return error;
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}
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status = (unsigned short)value;
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/* check AREFS and CLKS: not ready if either is clear */
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*ready = !((TFA_GET_BF_VALUE(tfa, AREFS, status) == 0)
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|| (TFA_GET_BF_VALUE(tfa, CLKS, status) == 0));
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return error;
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}
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/* tfa98xx_toggle_mtp_clock
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* Allows to stop clock for MTP/FAim needed for PLMA5505
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*/
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static enum tfa98xx_error tfa_faim_protect(struct tfa_device *tfa, int state)
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{
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(void)tfa;
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(void)state;
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return TFA98XX_ERROR_OK;
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}
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/** Set internal oscillator into power down mode.
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*
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* This function is a worker for tfa98xx_set_osc_powerdown().
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*
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* @param[in] tfa device description structure
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* @param[in] state new state 0 - oscillator is on, 1 oscillator is off.
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*
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* @return TFA98XX_ERROR_OK when successful, error otherwise.
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*/
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static enum tfa98xx_error tfa_set_osc_powerdown
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(struct tfa_device *tfa, int state)
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{
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/* This function has no effect in general case, only for tfa9912 */
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(void)tfa;
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(void)state;
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return TFA98XX_ERROR_OK;
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}
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static enum tfa98xx_error tfa_update_lpm(struct tfa_device *tfa, int state)
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{
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/* This function has no effect in general case, only for tfa9912 */
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(void)tfa;
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(void)state;
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return TFA98XX_ERROR_OK;
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}
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static enum tfa98xx_error tfa_dsp_reset(struct tfa_device *tfa, int state)
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{
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/* generic function */
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TFA_SET_BF_VOLATILE(tfa, RST, (uint16_t)state);
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return TFA98XX_ERROR_OK;
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}
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int tfa_set_swprofile(struct tfa_device *tfa, unsigned short new_value)
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{
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int mtpk, active_value = tfa->profile;
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/* Also set the new value in the struct */
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tfa->profile = new_value - 1;
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/* for TFA1 devices */
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/* it's in MTP shadow, so unlock if not done already */
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mtpk = TFA_GET_BF(tfa, MTPK); /* get current key */
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TFA_SET_BF_VOLATILE(tfa, MTPK, 0x5a);
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TFA_SET_BF_VOLATILE(tfa, SWPROFIL, new_value); /* set current profile */
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TFA_SET_BF_VOLATILE(tfa, MTPK, (uint16_t)mtpk); /* restore key */
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return active_value;
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}
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static int tfa_get_swprofile(struct tfa_device *tfa)
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{
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/* return TFA_GET_BF(tfa, SWPROFIL) - 1; */
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return tfa->profile;
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}
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static int tfa_set_swvstep(struct tfa_device *tfa, unsigned short new_value)
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{
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int mtpk, active_value = tfa->vstep;
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/* Also set the new value in the struct */
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tfa->vstep = new_value - 1;
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/* for TFA1 devices */
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/* it's in MTP shadow, so unlock if not done already */
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mtpk = TFA_GET_BF(tfa, MTPK); /* get current key */
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TFA_SET_BF_VOLATILE(tfa, MTPK, 0x5a);
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TFA_SET_BF_VOLATILE(tfa, SWVSTEP, new_value); /* set current vstep */
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TFA_SET_BF_VOLATILE(tfa, MTPK, (uint16_t)mtpk); /* restore key */
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return active_value;
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}
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static int tfa_get_swvstep(struct tfa_device *tfa)
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{
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int value = 0;
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/* Set the new value in the hw register */
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value = TFA_GET_BF(tfa, SWVSTEP);
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/* Also set the new value in the struct */
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tfa->vstep = value - 1;
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return value - 1; /* invalid if 0 */
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}
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static int tfa_get_mtpb(struct tfa_device *tfa)
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{
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int value = 0;
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/* Set the new value in the hw register */
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value = TFA_GET_BF(tfa, MTPB);
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return value;
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}
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static enum tfa98xx_error tfa_set_mute_nodsp(struct tfa_device *tfa, int mute)
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{
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(void)tfa;
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(void)mute;
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return TFA98XX_ERROR_OK;
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}
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static int tfa_set_bitfield(struct tfa_device *tfa,
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uint16_t bitfield, uint16_t value)
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{
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return tfa_set_bf(tfa, (uint16_t)bitfield, value);
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}
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void set_ops_defaults(struct tfa_device_ops *ops)
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{
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/* defaults */
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ops->reg_read = tfa98xx_read_register16;
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ops->reg_write = tfa98xx_write_register16;
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ops->mem_read = tfa98xx_dsp_read_mem;
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ops->mem_write = tfa98xx_dsp_write_mem_word;
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if (!ipc_loaded) {
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ops->dsp_msg = tfa_dsp_msg_rpc;
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ops->dsp_msg_read = tfa_dsp_msg_read_rpc;
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}
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ops->dsp_write_tables = no_overload_function_available;
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ops->dsp_reset = tfa_dsp_reset;
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ops->dsp_system_stable = tfa_dsp_system_stable;
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ops->auto_copy_mtp_to_iic = no_overload_function_available2;
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ops->factory_trimmer = no_overload_function_available2;
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ops->set_swprof = tfa_set_swprofile;
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ops->get_swprof = tfa_get_swprofile;
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ops->set_swvstep = tfa_set_swvstep;
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ops->get_swvstep = tfa_get_swvstep;
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ops->get_mtpb = tfa_get_mtpb;
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ops->set_mute = tfa_set_mute_nodsp;
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ops->faim_protect = tfa_faim_protect;
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ops->set_osc_powerdown = tfa_set_osc_powerdown;
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ops->update_lpm = tfa_update_lpm;
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ops->set_bitfield = tfa_set_bitfield;
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}
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/****************************/
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/* no TFA
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* external DSP SB instance
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****************************/
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static short tfanone_swvstep, swprof; /* TODO emulate in hal plugin */
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static enum tfa98xx_error tfanone_dsp_system_stable
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(struct tfa_device *tfa, int *ready)
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{
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(void)tfa; /* suppress warning */
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*ready = 1; /* assume always ready */
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return TFA98XX_ERROR_OK;
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}
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static int tfanone_set_swprofile
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(struct tfa_device *tfa, unsigned short new_value)
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{
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int active_value = tfa_dev_get_swprof(tfa);
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/* Set the new value in the struct */
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tfa->profile = new_value - 1;
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/* Set the new value in the hw register */
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swprof = new_value;
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return active_value;
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}
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static int tfanone_get_swprofile(struct tfa_device *tfa)
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{
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(void)tfa; /* suppress warning */
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return swprof;
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}
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static int tfanone_set_swvstep
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(struct tfa_device *tfa, unsigned short new_value)
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{
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/* Set the new value in the struct */
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tfa->vstep = new_value - 1;
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/* Set the new value in the hw register */
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tfanone_swvstep = new_value;
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return new_value;
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}
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static int tfanone_get_swvstep(struct tfa_device *tfa)
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{
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(void)tfa; /* suppress warning */
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return tfanone_swvstep;
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}
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void tfanone_ops(struct tfa_device_ops *ops)
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{
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/* Set defaults for ops */
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set_ops_defaults(ops);
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ops->dsp_system_stable = tfanone_dsp_system_stable;
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ops->set_swprof = tfanone_set_swprofile;
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ops->get_swprof = tfanone_get_swprofile;
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ops->set_swvstep = tfanone_set_swvstep;
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ops->get_swvstep = tfanone_get_swvstep;
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}
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/***********/
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/* TFA9878 */
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/***********/
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static enum tfa98xx_error tfa9878_faim_protect(struct tfa_device *tfa,
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int status)
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{
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enum tfa98xx_error ret = TFA98XX_ERROR_OK;
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/* 0b = FAIM protection enabled 1b = FAIM protection disabled*/
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ret = tfa_set_bf_volatile(tfa, TFA9878_BF_OPENMTP, (uint16_t)(status));
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return ret;
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}
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static enum tfa98xx_error tfa9878_specific(struct tfa_device *tfa)
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{
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enum tfa98xx_error error = TFA98XX_ERROR_OK;
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unsigned short value, xor;
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if (tfa->in_use == 0)
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return TFA98XX_ERROR_NOT_OPEN;
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/* Unlock key 1 and 2 */
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error = tfa_reg_write(tfa, 0x0F, 0x5A6B);
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error = tfa_reg_read(tfa, 0xFB, &value);
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xor = value ^ 0x005A;
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error = tfa_reg_write(tfa, 0xA0, xor);
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tfa98xx_key2(tfa, 0);
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switch (tfa->rev) {
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case 0x0a78: /* Initial revision ID */
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/* ----- generated code start ----- */
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/* ----- version 28 ----- */
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tfa_reg_write(tfa, 0x01, 0x2e18); /* POR=0x2e88 */
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tfa_reg_write(tfa, 0x02, 0x0628); /* POR=0x0008 */
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tfa_reg_write(tfa, 0x04, 0x0240); /* POR=0x0340 */
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tfa_reg_write(tfa, 0x52, 0x587c); /* POR=0x57dc */
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tfa_reg_write(tfa, 0x61, 0x0183); /* POR=0x0a82 */
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tfa_reg_write(tfa, 0x63, 0x055a); /* POR=0x0a9a */
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tfa_reg_write(tfa, 0x65, 0x0542); /* POR=0x0a82 */
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tfa_reg_write(tfa, 0x71, 0x303e); /* POR=0x307e */
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tfa_reg_write(tfa, 0x83, 0x009a); /* POR=0x0799 */
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/* ----- generated code end ----- */
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break;
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case 0x1a78: /* Initial revision ID */
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/* ----- generated code start ----- */
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/* ----- version 12 ----- */
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tfa_reg_write(tfa, 0x01, 0x2e18); /* POR=0x2e88 */
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tfa_reg_write(tfa, 0x02, 0x0628); /* POR=0x0008 */
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tfa_reg_write(tfa, 0x04, 0x0241); /* POR=0x0340 */
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tfa_reg_write(tfa, 0x52, 0x587c); /* POR=0x57dc */
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tfa_reg_write(tfa, 0x61, 0x0183); /* POR=0x0a82 */
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tfa_reg_write(tfa, 0x63, 0x055a); /* POR=0x0a9a */
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tfa_reg_write(tfa, 0x65, 0x0542); /* POR=0x0a82 */
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tfa_reg_write(tfa, 0x70, 0xb7ff); /* POR=0x37ff */
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tfa_reg_write(tfa, 0x71, 0x303e); /* POR=0x307e */
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tfa_reg_write(tfa, 0x83, 0x009a); /* POR=0x0799 */
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tfa_reg_write(tfa, 0x84, 0x0211); /* POR=0x0011 */
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tfa_reg_write(tfa, 0x8c, 0x0210); /* POR=0x0010 */
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tfa_reg_write(tfa, 0xce, 0x2202); /* POR=0xa202 */
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tfa_reg_write(tfa, 0xd5, 0x0000); /* POR=0x0100 */
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/* ----- generated code end ----- */
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break;
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default:
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pr_info("\nWarning: Optimal settings not found for device with revid = 0x%x\n",
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tfa->rev);
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break;
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}
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return error;
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}
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static int tfa9878_set_swprofile(struct tfa_device *tfa,
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unsigned short new_value)
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{
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enum tfa98xx_error err = TFA98XX_ERROR_OK;
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int active_value = tfa_dev_get_swprof(tfa);
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/* Set the new value in the struct */
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tfa->profile = new_value - 1;
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if (tfa->swprof != tfa->profile)
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/* Set the new value in the hw register */
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err = tfa_set_bf_volatile(tfa,
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TFA9878_BF_SWPROFIL, new_value);
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if (err == TFA98XX_ERROR_OK)
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tfa->swprof = tfa->profile;
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return active_value;
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}
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static int tfa9878_get_swprofile(struct tfa_device *tfa)
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{
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if (tfa->swprof == -1)
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tfa->swprof = tfa_get_bf(tfa, TFA9878_BF_SWPROFIL) - 1;
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return tfa->swprof;
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}
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static int tfa9878_set_swvstep(struct tfa_device *tfa,
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unsigned short new_value)
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{
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/* Set the new value in the struct */
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tfa->vstep = new_value - 1;
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return new_value;
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}
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static int tfa9878_get_swvstep(struct tfa_device *tfa)
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{
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return tfa->vstep; /* vstep is not used */
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}
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/* tfa98xx_dsp_system_stable
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* return: *ready = 1 when clocks are stable to allow DSP subsystem access
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*/
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static enum tfa98xx_error tfa9878_dsp_system_stable(struct tfa_device *tfa,
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int *ready)
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{
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enum tfa98xx_error error = TFA98XX_ERROR_OK;
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/* check CLKS: ready if set */
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*ready = tfa_get_bf(tfa, TFA9878_BF_CLKS) == 1;
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return error;
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}
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static int tfa9878_get_mtpb(struct tfa_device *tfa)
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{
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int value;
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value = tfa_get_bf(tfa, TFA9878_BF_MTPB);
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return value;
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}
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void tfa9878_ops(struct tfa_device_ops *ops)
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{
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/* Set defaults for ops */
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set_ops_defaults(ops);
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ops->tfa_init = tfa9878_specific;
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ops->set_swprof = tfa9878_set_swprofile;
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ops->get_swprof = tfa9878_get_swprofile;
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ops->set_swvstep = tfa9878_set_swvstep;
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ops->get_swvstep = tfa9878_get_swvstep;
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ops->dsp_system_stable = tfa9878_dsp_system_stable;
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ops->faim_protect = tfa9878_faim_protect;
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ops->get_mtpb = tfa9878_get_mtpb;
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ops->set_mute = tfa_set_mute_nodsp;
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}
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