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Commit 159b023d authored by Alison Schofield's avatar Alison Schofield Committed by Greg Kroah-Hartman
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staging: r8723au: use kernel preferred style for commenting 

Reworked comments per kernel coding style to improve readability.

Corrects checkpatch.pl:
WARNING: Block comments use * on subsequent lines
WARNING: line over 80 characters
Signed-off-by: default avatarAlison Schofield <amsfield22@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f79dc167
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Showing with 60 additions and 182 deletions
drivers/staging/rtl8723au/core/rtw_efuse.c
View file @ 159b023d
......@@ -21,34 +21,17 @@
#include <rtl8723a_hal.h>
#include <usb_ops_linux.h>
/*------------------------Define local variable------------------------------*/
/* */
#define REG_EFUSE_CTRL 0x0030
#define EFUSE_CTRL REG_EFUSE_CTRL /* E-Fuse Control. */
/* */
#define EFUSE_CTRL REG_EFUSE_CTRL /* E-Fuse Control */
#define VOLTAGE_V25 0x03
#define LDOE25_SHIFT 28
/*-----------------------------------------------------------------------------
* Function: Efuse_PowerSwitch
*
* Overview: When we want to enable write operation, we should change to
* pwr on state. When we stop write, we should switch to 500k mode
* and disable LDO 2.5V.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/17/2008 MHC Create Version 0.
*
*---------------------------------------------------------------------------*/
/*
* When we want to enable write operation, we should change to
* pwr on state. When we stop write, we should switch to 500k mode
* and disable LDO 2.5V.
*/
static void Efuse_PowerSwitch(struct rtw_adapter *padapter,
u8 bWrite, u8 PwrState)
{
......@@ -58,22 +41,26 @@ static void Efuse_PowerSwitch(struct rtw_adapter *padapter,
if (PwrState == true) {
rtl8723au_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON);
/* 1.2V Power: From VDDON with Power
Cut(0x0000h[15]), default valid */
/*
* 1.2V Power: From VDDON with Power
* Cut(0x0000h[15]), default valid
*/
tmpV16 = rtl8723au_read16(padapter, REG_SYS_ISO_CTRL);
if (!(tmpV16 & PWC_EV12V)) {
tmpV16 |= PWC_EV12V;
rtl8723au_write16(padapter, REG_SYS_ISO_CTRL, tmpV16);
}
/* Reset: 0x0000h[28], default valid */
/* Reset: 0x0000h[28], default valid */
tmpV16 = rtl8723au_read16(padapter, REG_SYS_FUNC_EN);
if (!(tmpV16 & FEN_ELDR)) {
tmpV16 |= FEN_ELDR;
rtl8723au_write16(padapter, REG_SYS_FUNC_EN, tmpV16);
}
/* Clock: Gated(0x0008h[5]) 8M(0x0008h[1]) clock
from ANA, default valid */
/*
* Clock: Gated(0x0008h[5]) 8M(0x0008h[1])
* clock from ANA, default valid
*/
tmpV16 = rtl8723au_read16(padapter, REG_SYS_CLKR);
if ((!(tmpV16 & LOADER_CLK_EN)) || (!(tmpV16 & ANA8M))) {
tmpV16 |= (LOADER_CLK_EN | ANA8M);
......@@ -113,24 +100,19 @@ Efuse_GetCurrentSize23a(struct rtw_adapter *pAdapter, u8 efuseType)
return ret;
}
/* 11/16/2008 MH Add description. Get current efuse area enabled word!!. */
/* Get current efuse area enabled word */
u8
Efuse_CalculateWordCnts23a(u8 word_en)
{
return hweight8((~word_en) & 0xf);
}
/* */
/* Description: */
/* Execute E-Fuse read byte operation. */
/* Referred from SD1 Richard. */
/* */
/* Assumption: */
/* 1. Boot from E-Fuse and successfully auto-load. */
/* 2. PASSIVE_LEVEL (USB interface) */
/* */
/* Created by Roger, 2008.10.21. */
/* */
/*
* Description: Execute E-Fuse read byte operation.
*
* Assumptions: 1. Boot from E-Fuse and successfully auto-load.
* 2. PASSIVE_LEVEL (USB interface)
*/
void
ReadEFuseByte23a(struct rtw_adapter *Adapter, u16 _offset, u8 *pbuf)
{
......@@ -156,10 +138,13 @@ ReadEFuseByte23a(struct rtw_adapter *Adapter, u16 _offset, u8 *pbuf)
retry++;
}
/* 20100205 Joseph: Add delay suggested by SD1 Victor. */
/* This fix the problem that Efuse read error in high temperature condition. */
/* Designer says that there shall be some delay after ready bit is set, or the */
/* result will always stay on last data we read. */
/*
* Added suggested delay. This fixes the problem that
* Efuse read error in high temperature condition.
* Designer says that there shall be some delay after
* ready bit is set, or the result will always stay
* on last data we read.
*/
udelay(50);
value32 = rtl8723au_read32(Adapter, EFUSE_CTRL);
......@@ -249,22 +234,7 @@ EFUSE_GetEfuseDefinition23a(struct rtw_adapter *pAdapter, u8 efuseType,
}
}
/*-----------------------------------------------------------------------------
* Function: EFUSE_Read1Byte23a
*
* Overview: Copy from WMAC fot EFUSE read 1 byte.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 09/23/2008 MHC Copy from WMAC.
*
*---------------------------------------------------------------------------*/
/* Copy from WMAC for EFUSE read 1 byte. */
u8
EFUSE_Read1Byte23a(struct rtw_adapter *Adapter, u16 Address)
{
......@@ -306,25 +276,9 @@ EFUSE_Read1Byte23a(struct rtw_adapter *Adapter, u16 Address)
return data;
} else
return 0xFF;
}/* EFUSE_Read1Byte23a */
/*-----------------------------------------------------------------------------
* Function: EFUSE_Write1Byte
*
* Overview: Copy from WMAC fot EFUSE write 1 byte.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 09/23/2008 MHC Copy from WMAC.
*
*---------------------------------------------------------------------------*/
}
/* Copy from WMAC fot EFUSE write 1 byte. */
void
EFUSE_Write1Byte(struct rtw_adapter *Adapter, u16 Address, u8 Value);
void
......@@ -367,22 +321,22 @@ EFUSE_Write1Byte(struct rtw_adapter *Adapter, u16 Address, u8 Value)
}
}
}
}/* EFUSE_Write1Byte */
}
/* 11/16/2008 MH Read one byte from real Efuse. */
/* Read one byte from real Efuse. */
int
efuse_OneByteRead23a(struct rtw_adapter *pAdapter, u16 addr, u8 *data)
{
u8 tmpidx = 0;
int bResult;
/* -----------------e-fuse reg ctrl --------------------------------- */
/* -----------------e-fuse reg ctrl ---------------------------- */
/* address */
rtl8723au_write8(pAdapter, EFUSE_CTRL+1, (u8)(addr&0xff));
rtl8723au_write8(pAdapter, EFUSE_CTRL+2, ((u8)((addr>>8) &0x03)) |
(rtl8723au_read8(pAdapter, EFUSE_CTRL+2)&0xFC));
rtl8723au_write8(pAdapter, EFUSE_CTRL+3, 0x72);/* read cmd */
rtl8723au_write8(pAdapter, EFUSE_CTRL+3, 0x72); /* read cmd */
while(!(0x80 &rtl8723au_read8(pAdapter, EFUSE_CTRL+3)) && (tmpidx<100))
tmpidx++;
......@@ -396,7 +350,7 @@ efuse_OneByteRead23a(struct rtw_adapter *pAdapter, u16 addr, u8 *data)
return bResult;
}
/* 11/16/2008 MH Write one byte to reald Efuse. */
/* Write one byte to reald Efuse. */
int
efuse_OneByteWrite23a(struct rtw_adapter *pAdapter, u16 addr, u8 data)
{
......@@ -405,14 +359,14 @@ efuse_OneByteWrite23a(struct rtw_adapter *pAdapter, u16 addr, u8 data)
/* return 0; */
/* -----------------e-fuse reg ctrl --------------------------------- */
/* -----------------e-fuse reg ctrl ------------------------- */
/* address */
rtl8723au_write8(pAdapter, EFUSE_CTRL+1, (u8)(addr&0xff));
rtl8723au_write8(pAdapter, EFUSE_CTRL+2,
(rtl8723au_read8(pAdapter, EFUSE_CTRL+2)&0xFC)|(u8)((addr>>8)&0x03));
rtl8723au_write8(pAdapter, EFUSE_CTRL, data);/* data */
rtl8723au_write8(pAdapter, EFUSE_CTRL, data); /* data */
rtl8723au_write8(pAdapter, EFUSE_CTRL+3, 0xF2);/* write cmd */
rtl8723au_write8(pAdapter, EFUSE_CTRL+3, 0xF2); /* write cmd */
while((0x80 & rtl8723au_read8(pAdapter, EFUSE_CTRL+3)) &&
(tmpidx<100)) {
......@@ -427,23 +381,7 @@ efuse_OneByteWrite23a(struct rtw_adapter *pAdapter, u16 addr, u8 data)
return bResult;
}
/*-----------------------------------------------------------------------------
* Function: efuse_WordEnableDataRead23a
*
* Overview: Read allowed word in current efuse section data.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/16/2008 MHC Create Version 0.
* 11/21/2008 MHC Fix Write bug when we only enable late word.
*
*---------------------------------------------------------------------------*/
/* Read allowed word in current efuse section data. */
void
efuse_WordEnableDataRead23a(u8 word_en,
u8 *sourdata,
......@@ -477,9 +415,7 @@ static int efuse_write8(struct rtw_adapter *padapter, u16 address, u8 *value)
return efuse_OneByteWrite23a(padapter, address, *value);
}
/*
* read/write raw efuse data
*/
/* read/write raw efuse data */
int rtw_efuse_access23a(struct rtw_adapter *padapter, u8 bWrite, u16 start_addr,
u16 cnts, u8 *data)
{
......@@ -507,7 +443,7 @@ int rtw_efuse_access23a(struct rtw_adapter *padapter, u8 bWrite, u16 start_addr,
Efuse_PowerSwitch(padapter, bWrite, true);
/* e-fuse one byte read / write */
/* e-fuse one byte read/write */
for (i = 0; i < cnts; i++) {
if (start_addr >= real_content_len) {
res = _FAIL;
......@@ -523,7 +459,7 @@ int rtw_efuse_access23a(struct rtw_adapter *padapter, u8 bWrite, u16 start_addr,
return res;
}
/* */
u16 efuse_GetMaxSize23a(struct rtw_adapter *padapter)
{
u16 max_size;
......@@ -532,7 +468,7 @@ u16 efuse_GetMaxSize23a(struct rtw_adapter *padapter)
(void *)&max_size);
return max_size;
}
/* */
int rtw_efuse_map_read23a(struct rtw_adapter *padapter,
u16 addr, u16 cnts, u8 *data)
{
......@@ -573,22 +509,7 @@ int rtw_BT_efuse_map_read23a(struct rtw_adapter *padapter,
return _SUCCESS;
}
/*-----------------------------------------------------------------------------
* Function: Efuse_ReadAllMap
*
* Overview: Read All Efuse content
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/11/2008 MHC Create Version 0.
*
*---------------------------------------------------------------------------*/
/* Read All Efuse content */
void
Efuse_ReadAllMap(struct rtw_adapter *pAdapter, u8 efuseType, u8 *Efuse);
void
......@@ -606,33 +527,21 @@ Efuse_ReadAllMap(struct rtw_adapter *pAdapter, u8 efuseType, u8 *Efuse)
Efuse_PowerSwitch(pAdapter, false, false);
}
/*-----------------------------------------------------------------------------
* Function: efuse_ShadowRead1Byte
* efuse_ShadowRead2Byte
* efuse_ShadowRead4Byte
*
* Overview: Read from efuse init map by one/two/four bytes !!!!!
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/12/2008 MHC Create Version 0.
/*
* Functions: efuse_ShadowRead1Byte
* efuse_ShadowRead2Byte
* efuse_ShadowRead4Byte
*
*---------------------------------------------------------------------------*/
* Read from efuse init map by one/two/four bytes
*/
static void
efuse_ShadowRead1Byte(struct rtw_adapter *pAdapter, u16 Offset, u8 *Value)
{
struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
*Value = pEEPROM->efuse_eeprom_data[Offset];
} /* EFUSE_ShadowRead23a1Byte */
}
/* Read Two Bytes */
static void
efuse_ShadowRead2Byte(struct rtw_adapter *pAdapter, u16 Offset, u16 *Value)
{
......@@ -640,9 +549,8 @@ efuse_ShadowRead2Byte(struct rtw_adapter *pAdapter, u16 Offset, u16 *Value)
*Value = pEEPROM->efuse_eeprom_data[Offset];
*Value |= pEEPROM->efuse_eeprom_data[Offset+1]<<8;
} /* EFUSE_ShadowRead23a2Byte */
}
/* Read Four Bytes */
static void
efuse_ShadowRead4Byte(struct rtw_adapter *pAdapter, u16 Offset, u32 *Value)
{
......@@ -652,24 +560,10 @@ efuse_ShadowRead4Byte(struct rtw_adapter *pAdapter, u16 Offset, u32 *Value)
*Value |= pEEPROM->efuse_eeprom_data[Offset+1]<<8;
*Value |= pEEPROM->efuse_eeprom_data[Offset+2]<<16;
*Value |= pEEPROM->efuse_eeprom_data[Offset+3]<<24;
} /* efuse_ShadowRead4Byte */
}
/* Transfer current EFUSE content to shadow init and modify map. */
/*-----------------------------------------------------------------------------
* Function: EFUSE_ShadowMapUpdate23a
*
* Overview: Transfer current EFUSE content to shadow init and modify map.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/13/2008 MHC Create Version 0.
*
*---------------------------------------------------------------------------*/
void EFUSE_ShadowMapUpdate23a(struct rtw_adapter *pAdapter, u8 efuseType)
{
struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
......@@ -683,25 +577,9 @@ void EFUSE_ShadowMapUpdate23a(struct rtw_adapter *pAdapter, u8 efuseType)
else
Efuse_ReadAllMap(pAdapter, efuseType,
pEEPROM->efuse_eeprom_data);
}
}/* EFUSE_ShadowMapUpdate23a */
/*-----------------------------------------------------------------------------
* Function: EFUSE_ShadowRead23a
*
* Overview: Read from efuse init map !!!!!
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/12/2008 MHC Create Version 0.
*
*---------------------------------------------------------------------------*/
/* Read from efuse init map */
void
EFUSE_ShadowRead23a(struct rtw_adapter *pAdapter,
u8 Type, u16 Offset, u32 *Value)
......@@ -712,4 +590,4 @@ EFUSE_ShadowRead23a(struct rtw_adapter *pAdapter,
efuse_ShadowRead2Byte(pAdapter, Offset, (u16 *)Value);
else if (Type == 4)
efuse_ShadowRead4Byte(pAdapter, Offset, (u32 *)Value);
} /* EFUSE_ShadowRead23a */
}
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