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path: root/drivers/staging/rtl8712/rtl8712_efuse.c
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Diffstat (limited to 'drivers/staging/rtl8712/rtl8712_efuse.c')
-rw-r--r--drivers/staging/rtl8712/rtl8712_efuse.c138
1 files changed, 71 insertions, 67 deletions
diff --git a/drivers/staging/rtl8712/rtl8712_efuse.c b/drivers/staging/rtl8712/rtl8712_efuse.c
index d95716999498..eaa93fbb95a3 100644
--- a/drivers/staging/rtl8712/rtl8712_efuse.c
+++ b/drivers/staging/rtl8712/rtl8712_efuse.c
@@ -39,7 +39,7 @@ static void efuse_reg_ctrl(struct _adapter *padapter, u8 bPowerOn)
{
u8 tmpu8 = 0;
- if (true == bPowerOn) {
+ if (bPowerOn) {
/* -----------------e-fuse pwr & clk reg ctrl ---------------
* Enable LDOE25 Macro Block
*/
@@ -80,12 +80,13 @@ static u8 efuse_one_byte_read(struct _adapter *padapter, u16 addr, u8 *data)
u8 tmpidx = 0, bResult;
/* -----------------e-fuse reg ctrl --------------------------------- */
- r8712_write8(padapter, EFUSE_CTRL+1, (u8)(addr&0xFF)); /* address */
- r8712_write8(padapter, EFUSE_CTRL+2, ((u8)((addr>>8)&0x03)) |
- (r8712_read8(padapter, EFUSE_CTRL+2)&0xFC));
- r8712_write8(padapter, EFUSE_CTRL+3, 0x72); /* read cmd */
+ r8712_write8(padapter, EFUSE_CTRL + 1, (u8)(addr & 0xFF)); /* address */
+ r8712_write8(padapter, EFUSE_CTRL + 2, ((u8)((addr >> 8) & 0x03)) |
+ (r8712_read8(padapter, EFUSE_CTRL + 2) & 0xFC));
+ r8712_write8(padapter, EFUSE_CTRL + 3, 0x72); /* read cmd */
/* wait for complete */
- while (!(0x80 & r8712_read8(padapter, EFUSE_CTRL+3)) && (tmpidx < 100))
+ while (!(0x80 & r8712_read8(padapter, EFUSE_CTRL + 3)) &&
+ (tmpidx < 100))
tmpidx++;
if (tmpidx < 100) {
*data = r8712_read8(padapter, EFUSE_CTRL);
@@ -102,13 +103,14 @@ static u8 efuse_one_byte_write(struct _adapter *padapter, u16 addr, u8 data)
u8 tmpidx = 0, bResult;
/* -----------------e-fuse reg ctrl -------------------------------- */
- r8712_write8(padapter, EFUSE_CTRL+1, (u8)(addr&0xFF)); /* address */
- r8712_write8(padapter, EFUSE_CTRL+2, ((u8)((addr>>8)&0x03)) |
- (r8712_read8(padapter, EFUSE_CTRL+2)&0xFC));
+ r8712_write8(padapter, EFUSE_CTRL + 1, (u8)(addr & 0xFF)); /* address */
+ r8712_write8(padapter, EFUSE_CTRL + 2, ((u8)((addr >> 8) & 0x03)) |
+ (r8712_read8(padapter, EFUSE_CTRL + 2) & 0xFC));
r8712_write8(padapter, EFUSE_CTRL, data); /* data */
- r8712_write8(padapter, EFUSE_CTRL+3, 0xF2); /* write cmd */
+ r8712_write8(padapter, EFUSE_CTRL + 3, 0xF2); /* write cmd */
/* wait for complete */
- while ((0x80 & r8712_read8(padapter, EFUSE_CTRL+3)) && (tmpidx < 100))
+ while ((0x80 & r8712_read8(padapter, EFUSE_CTRL + 3)) &&
+ (tmpidx < 100))
tmpidx++;
if (tmpidx < 100)
bResult = true;
@@ -123,13 +125,13 @@ static u8 efuse_one_byte_rw(struct _adapter *padapter, u8 bRead, u16 addr,
u8 tmpidx = 0, tmpv8 = 0, bResult;
/* -----------------e-fuse reg ctrl --------------------------------- */
- r8712_write8(padapter, EFUSE_CTRL+1, (u8)(addr&0xFF)); /* address */
+ r8712_write8(padapter, EFUSE_CTRL + 1, (u8)(addr & 0xFF)); /* address */
tmpv8 = ((u8)((addr >> 8) & 0x03)) |
(r8712_read8(padapter, EFUSE_CTRL + 2) & 0xFC);
- r8712_write8(padapter, EFUSE_CTRL+2, tmpv8);
- if (true == bRead) {
- r8712_write8(padapter, EFUSE_CTRL+3, 0x72); /* read cmd */
- while (!(0x80 & r8712_read8(padapter, EFUSE_CTRL+3)) &&
+ r8712_write8(padapter, EFUSE_CTRL + 2, tmpv8);
+ if (bRead) {
+ r8712_write8(padapter, EFUSE_CTRL + 3, 0x72); /* read cmd */
+ while (!(0x80 & r8712_read8(padapter, EFUSE_CTRL + 3)) &&
(tmpidx < 100))
tmpidx++;
if (tmpidx < 100) {
@@ -141,8 +143,8 @@ static u8 efuse_one_byte_rw(struct _adapter *padapter, u8 bRead, u16 addr,
}
} else {
r8712_write8(padapter, EFUSE_CTRL, *data); /* data */
- r8712_write8(padapter, EFUSE_CTRL+3, 0xF2); /* write cmd */
- while ((0x80 & r8712_read8(padapter, EFUSE_CTRL+3)) &&
+ r8712_write8(padapter, EFUSE_CTRL + 3, 0xF2); /* write cmd */
+ while ((0x80 & r8712_read8(padapter, EFUSE_CTRL + 3)) &&
(tmpidx < 100))
tmpidx++;
if (tmpidx < 100)
@@ -158,13 +160,14 @@ static u8 efuse_is_empty(struct _adapter *padapter, u8 *empty)
u8 value, ret = true;
/* read one byte to check if E-Fuse is empty */
- if (efuse_one_byte_rw(padapter, true, 0, &value) == true) {
+ if (efuse_one_byte_rw(padapter, true, 0, &value)) {
if (0xFF == value)
*empty = true;
else
*empty = false;
- } else
+ } else {
ret = false;
+ }
return ret;
}
@@ -207,7 +210,7 @@ static void pgpacket_copy_data(const u8 word_en, const u8 *sourdata,
u8 word_idx, byte_idx;
for (word_idx = 0; word_idx < PGPKG_MAX_WORDS; word_idx++) {
- if (!(word_en&BIT(word_idx))) {
+ if (!(word_en & BIT(word_idx))) {
byte_idx = word_idx * 2;
targetdata[byte_idx] = sourdata[tmpindex++];
targetdata[byte_idx + 1] = sourdata[tmpindex++];
@@ -229,8 +232,9 @@ u16 r8712_efuse_get_current_size(struct _adapter *padapter)
word_cnts = calculate_word_cnts(hworden);
/* read next header */
efuse_addr = efuse_addr + (word_cnts * 2) + 1;
- } else
+ } else {
bContinual = false;
+ }
}
return efuse_addr;
}
@@ -248,10 +252,9 @@ u8 r8712_efuse_pg_packet_read(struct _adapter *padapter, u8 offset, u8 *data)
return false;
if (offset > 0x0f)
return false;
- memset(data, 0xFF, sizeof(u8)*PGPKT_DATA_SIZE);
+ memset(data, 0xFF, sizeof(u8) * PGPKT_DATA_SIZE);
while (efuse_addr < efuse_available_max_size) {
- if (efuse_one_byte_read(padapter, efuse_addr, &efuse_data) ==
- true) {
+ if (efuse_one_byte_read(padapter, efuse_addr, &efuse_data)) {
if (efuse_data == 0xFF)
break;
hoffset = (efuse_data >> 4) & 0x0F;
@@ -262,15 +265,16 @@ u8 r8712_efuse_pg_packet_read(struct _adapter *padapter, u8 offset, u8 *data)
for (tmpidx = 0; tmpidx < word_cnts * 2;
tmpidx++) {
if (efuse_one_byte_read(padapter,
- efuse_addr+1+tmpidx, &efuse_data) ==
- true) {
+ efuse_addr + 1 + tmpidx,
+ &efuse_data)) {
tmpdata[tmpidx] = efuse_data;
- } else
+ } else {
ret = false;
+ }
}
pgpacket_copy_data(hworden, tmpdata, data);
}
- efuse_addr += 1 + (word_cnts*2);
+ efuse_addr += 1 + (word_cnts * 2);
} else {
ret = false;
break;
@@ -295,14 +299,14 @@ static u8 fix_header(struct _adapter *padapter, u8 header, u16 header_addr)
/* retrieve original data */
addr = 0;
while (addr < header_addr) {
- if (efuse_one_byte_read(padapter, addr++, &value) == false) {
+ if (!efuse_one_byte_read(padapter, addr++, &value)) {
ret = false;
break;
}
offset = GET_EFUSE_OFFSET(value);
word_en = GET_EFUSE_WORD_EN(value);
if (pkt.offset != offset) {
- addr += calculate_word_cnts(word_en)*2;
+ addr += calculate_word_cnts(word_en) * 2;
continue;
}
for (i = 0; i < PGPKG_MAX_WORDS; i++) {
@@ -310,15 +314,15 @@ static u8 fix_header(struct _adapter *padapter, u8 header, u16 header_addr)
if (BIT(i) & pkt.word_en) {
if (efuse_one_byte_read(
padapter, addr,
- &value) == true)
- pkt.data[i*2] = value;
+ &value))
+ pkt.data[i * 2] = value;
else
return false;
if (efuse_one_byte_read(
padapter,
addr + 1,
- &value) == true)
- pkt.data[i*2 + 1] =
+ &value))
+ pkt.data[i * 2 + 1] =
value;
else
return false;
@@ -333,27 +337,26 @@ static u8 fix_header(struct _adapter *padapter, u8 header, u16 header_addr)
/* fill original data */
for (i = 0; i < PGPKG_MAX_WORDS; i++) {
if (BIT(i) & pkt.word_en) {
- efuse_one_byte_write(padapter, addr, pkt.data[i*2]);
- efuse_one_byte_write(padapter, addr+1,
- pkt.data[i*2 + 1]);
+ efuse_one_byte_write(padapter, addr, pkt.data[i * 2]);
+ efuse_one_byte_write(padapter, addr + 1,
+ pkt.data[i * 2 + 1]);
/* additional check */
- if (efuse_one_byte_read(padapter, addr, &value)
- == false)
+ if (!efuse_one_byte_read(padapter, addr, &value)) {
ret = false;
- else if (pkt.data[i*2] != value) {
+ } else if (pkt.data[i * 2] != value) {
ret = false;
if (0xFF == value) /* write again */
efuse_one_byte_write(padapter, addr,
pkt.data[i * 2]);
}
- if (efuse_one_byte_read(padapter, addr+1, &value) ==
- false)
+ if (!efuse_one_byte_read(padapter, addr + 1, &value)) {
ret = false;
- else if (pkt.data[i*2 + 1] != value) {
+ } else if (pkt.data[i * 2 + 1] != value) {
ret = false;
if (0xFF == value) /* write again */
- efuse_one_byte_write(padapter, addr+1,
- pkt.data[i*2 + 1]);
+ efuse_one_byte_write(padapter, addr + 1,
+ pkt.data[i * 2 +
+ 1]);
}
}
addr += 2;
@@ -388,8 +391,8 @@ u8 r8712_efuse_pg_packet_write(struct _adapter *padapter, const u8 offset,
efuse_one_byte_write(padapter, efuse_addr, pg_header); /*hdr*/
sub_repeat = 0;
/* check if what we read is what we write */
- while (efuse_one_byte_read(padapter, efuse_addr,
- &efuse_data) == false) {
+ while (!efuse_one_byte_read(padapter, efuse_addr,
+ &efuse_data)) {
if (++sub_repeat > _REPEAT_THRESHOLD_) {
bResult = false; /* continue to blind write */
break; /* continue to blind write */
@@ -402,14 +405,15 @@ u8 r8712_efuse_pg_packet_write(struct _adapter *padapter, const u8 offset,
/* go to next address */
efuse_addr++;
- for (i = 0; i < target_word_cnts*2; i++) {
+ for (i = 0; i < target_word_cnts * 2; i++) {
efuse_one_byte_write(padapter,
efuse_addr + i,
*(data + i));
- if (efuse_one_byte_read(padapter,
- efuse_addr + i, &efuse_data) == false)
+ if (!efuse_one_byte_read(padapter,
+ efuse_addr + i,
+ &efuse_data))
bResult = false;
- else if (*(data+i) != efuse_data) /* fail */
+ else if (*(data + i) != efuse_data) /* fail */
bResult = false;
}
break;
@@ -437,10 +441,10 @@ u8 r8712_efuse_access(struct _adapter *padapter, u8 bRead, u16 start_addr,
if (start_addr > EFUSE_MAX_SIZE)
return false;
- if ((bRead == false) && ((start_addr + cnts) >
+ if (!bRead && ((start_addr + cnts) >
efuse_available_max_size))
return false;
- if ((false == bRead) && (r8712_efuse_reg_init(padapter) == false))
+ if (!bRead && !r8712_efuse_reg_init(padapter))
return false;
/* -----------------e-fuse one byte read / write ---------------------*/
for (i = 0; i < cnts; i++) {
@@ -450,10 +454,10 @@ u8 r8712_efuse_access(struct _adapter *padapter, u8 bRead, u16 start_addr,
}
res = efuse_one_byte_rw(padapter, bRead, start_addr + i,
data + i);
- if ((false == bRead) && (false == res))
+ if (!bRead && !res)
break;
}
- if (false == bRead)
+ if (!bRead)
r8712_efuse_reg_uninit(padapter);
return res;
}
@@ -466,8 +470,7 @@ u8 r8712_efuse_map_read(struct _adapter *padapter, u16 addr, u16 cnts, u8 *data)
if ((addr + cnts) > EFUSE_MAP_MAX_SIZE)
return false;
- if ((efuse_is_empty(padapter, &offset) == true) && (offset ==
- true)) {
+ if (efuse_is_empty(padapter, &offset) && offset) {
for (i = 0; i < cnts; i++)
data[i] = 0xFF;
return ret;
@@ -504,13 +507,14 @@ u8 r8712_efuse_map_write(struct _adapter *padapter, u16 addr, u16 cnts,
empty = r8712_read8(padapter, EFUSE_CLK_CTRL);
if (empty != 0x03)
return false;
- if (efuse_is_empty(padapter, &empty) == true) {
- if (true == empty)
+ if (efuse_is_empty(padapter, &empty)) {
+ if (empty)
memset(pktdata, 0xFF, PGPKT_DATA_SIZE);
- } else
+ } else {
return false;
+ }
offset = (addr >> 3) & 0xF;
- if (empty == false)
+ if (!empty)
if (!r8712_efuse_pg_packet_read(padapter, offset, pktdata))
return false;
word_en = 0xF;
@@ -541,8 +545,8 @@ u8 r8712_efuse_map_write(struct _adapter *padapter, u16 addr, u16 cnts,
break;
}
- if ((data[idx] != pktdata[i]) || (data[idx+1] !=
- pktdata[i+1])) {
+ if ((data[idx] != pktdata[i]) || (data[idx + 1] !=
+ pktdata[i + 1])) {
word_en &= ~BIT(i >> 1);
newdata[j++] = data[idx];
newdata[j++] = data[idx + 1];
@@ -554,13 +558,13 @@ u8 r8712_efuse_map_write(struct _adapter *padapter, u16 addr, u16 cnts,
}
if (word_en != 0xF)
- if (r8712_efuse_pg_packet_write(padapter, offset,
- word_en, newdata) == false)
+ if (!r8712_efuse_pg_packet_write(padapter, offset,
+ word_en, newdata))
return false;
if (idx == cnts)
break;
offset++;
- if (empty == false)
+ if (!empty)
if (!r8712_efuse_pg_packet_read(padapter, offset,
pktdata))
return false;
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