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path: root/drivers/staging/rts5208/rtsx_card.c
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Diffstat (limited to 'drivers/staging/rts5208/rtsx_card.c')
-rw-r--r--drivers/staging/rts5208/rtsx_card.c181
1 files changed, 132 insertions, 49 deletions
diff --git a/drivers/staging/rts5208/rtsx_card.c b/drivers/staging/rts5208/rtsx_card.c
index b4595ab3f02b..437436f5dbdd 100644
--- a/drivers/staging/rts5208/rtsx_card.c
+++ b/drivers/staging/rts5208/rtsx_card.c
@@ -27,13 +27,6 @@
#include <linux/kernel.h>
#include "rtsx.h"
-#include "rtsx_transport.h"
-#include "rtsx_scsi.h"
-#include "rtsx_card.h"
-
-#include "rtsx_sys.h"
-#include "general.h"
-
#include "sd.h"
#include "xd.h"
#include "ms.h"
@@ -657,8 +650,10 @@ int switch_ssc_clock(struct rtsx_chip *chip, int clk)
dev_dbg(rtsx_dev(chip), "Switch SSC clock to %dMHz (cur_clk = %d)\n",
clk, chip->cur_clk);
- if ((clk <= 2) || (N > max_N))
- TRACE_RET(chip, STATUS_FAIL);
+ if ((clk <= 2) || (N > max_N)) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
mcu_cnt = (u8)(125/clk + 3);
if (mcu_cnt > 7)
@@ -697,11 +692,17 @@ int switch_ssc_clock(struct rtsx_chip *chip, int clk)
}
retval = rtsx_send_cmd(chip, 0, WAIT_TIME);
- if (retval < 0)
- TRACE_RET(chip, STATUS_ERROR);
+ if (retval < 0) {
+ rtsx_trace(chip);
+ return STATUS_ERROR;
+ }
udelay(10);
- RTSX_WRITE_REG(chip, CLK_CTL, CLK_LOW_FREQ, 0);
+ retval = rtsx_write_register(chip, CLK_CTL, CLK_LOW_FREQ, 0);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
chip->cur_clk = clk;
@@ -710,6 +711,7 @@ int switch_ssc_clock(struct rtsx_chip *chip, int clk)
int switch_normal_clock(struct rtsx_chip *chip, int clk)
{
+ int retval;
u8 sel, div, mcu_cnt;
int sd_vpclk_phase_reset = 0;
@@ -790,26 +792,62 @@ int switch_normal_clock(struct rtsx_chip *chip, int clk)
default:
dev_dbg(rtsx_dev(chip), "Try to switch to an illegal clock (%d)\n",
clk);
- TRACE_RET(chip, STATUS_FAIL);
+ rtsx_trace(chip);
+ return STATUS_FAIL;
}
- RTSX_WRITE_REG(chip, CLK_CTL, 0xFF, CLK_LOW_FREQ);
+ retval = rtsx_write_register(chip, CLK_CTL, 0xFF, CLK_LOW_FREQ);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
if (sd_vpclk_phase_reset) {
- RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0);
- RTSX_WRITE_REG(chip, SD_VPCLK1_CTL, PHASE_NOT_RESET, 0);
+ retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
+ PHASE_NOT_RESET, 0);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
+ retval = rtsx_write_register(chip, SD_VPCLK1_CTL,
+ PHASE_NOT_RESET, 0);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
+ }
+ retval = rtsx_write_register(chip, CLK_DIV, 0xFF,
+ (div << 4) | mcu_cnt);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
+ retval = rtsx_write_register(chip, CLK_SEL, 0xFF, sel);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
}
- RTSX_WRITE_REG(chip, CLK_DIV, 0xFF, (div << 4) | mcu_cnt);
- RTSX_WRITE_REG(chip, CLK_SEL, 0xFF, sel);
if (sd_vpclk_phase_reset) {
udelay(200);
- RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET,
- PHASE_NOT_RESET);
- RTSX_WRITE_REG(chip, SD_VPCLK1_CTL, PHASE_NOT_RESET,
- PHASE_NOT_RESET);
+ retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
+ PHASE_NOT_RESET, PHASE_NOT_RESET);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
+ retval = rtsx_write_register(chip, SD_VPCLK1_CTL,
+ PHASE_NOT_RESET, PHASE_NOT_RESET);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
udelay(200);
}
- RTSX_WRITE_REG(chip, CLK_CTL, 0xFF, 0);
+ retval = rtsx_write_register(chip, CLK_CTL, 0xFF, 0);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
chip->cur_clk = clk;
@@ -844,6 +882,7 @@ void trans_dma_enable(enum dma_data_direction dir, struct rtsx_chip *chip,
int enable_card_clock(struct rtsx_chip *chip, u8 card)
{
+ int retval;
u8 clk_en = 0;
if (card & XD_CARD)
@@ -853,13 +892,18 @@ int enable_card_clock(struct rtsx_chip *chip, u8 card)
if (card & MS_CARD)
clk_en |= MS_CLK_EN;
- RTSX_WRITE_REG(chip, CARD_CLK_EN, clk_en, clk_en);
+ retval = rtsx_write_register(chip, CARD_CLK_EN, clk_en, clk_en);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
return STATUS_SUCCESS;
}
int disable_card_clock(struct rtsx_chip *chip, u8 card)
{
+ int retval;
u8 clk_en = 0;
if (card & XD_CARD)
@@ -869,7 +913,11 @@ int disable_card_clock(struct rtsx_chip *chip, u8 card)
if (card & MS_CARD)
clk_en |= MS_CLK_EN;
- RTSX_WRITE_REG(chip, CARD_CLK_EN, clk_en, 0);
+ retval = rtsx_write_register(chip, CARD_CLK_EN, clk_en, 0);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
return STATUS_SUCCESS;
}
@@ -893,8 +941,10 @@ int card_power_on(struct rtsx_chip *chip, u8 card)
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, mask, val1);
retval = rtsx_send_cmd(chip, 0, 100);
- if (retval != STATUS_SUCCESS)
- TRACE_RET(chip, STATUS_FAIL);
+ if (retval != STATUS_SUCCESS) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
udelay(chip->pmos_pwr_on_interval);
@@ -902,14 +952,17 @@ int card_power_on(struct rtsx_chip *chip, u8 card)
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, mask, val2);
retval = rtsx_send_cmd(chip, 0, 100);
- if (retval != STATUS_SUCCESS)
- TRACE_RET(chip, STATUS_FAIL);
+ if (retval != STATUS_SUCCESS) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
return STATUS_SUCCESS;
}
int card_power_off(struct rtsx_chip *chip, u8 card)
{
+ int retval;
u8 mask, val;
if (CHECK_LUN_MODE(chip, SD_MS_2LUN) && (card == MS_CARD)) {
@@ -920,7 +973,11 @@ int card_power_off(struct rtsx_chip *chip, u8 card)
val = SD_POWER_OFF;
}
- RTSX_WRITE_REG(chip, CARD_PWR_CTL, mask, val);
+ retval = rtsx_write_register(chip, CARD_PWR_CTL, mask, val);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
return STATUS_SUCCESS;
}
@@ -932,8 +989,10 @@ int card_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
unsigned int lun = SCSI_LUN(srb);
int i;
- if (chip->rw_card[lun] == NULL)
- TRACE_RET(chip, STATUS_FAIL);
+ if (chip->rw_card[lun] == NULL) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
for (i = 0; i < 3; i++) {
chip->rw_need_retry = 0;
@@ -942,11 +1001,14 @@ int card_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
if (retval != STATUS_SUCCESS) {
if (rtsx_check_chip_exist(chip) != STATUS_SUCCESS) {
rtsx_release_chip(chip);
- TRACE_RET(chip, STATUS_FAIL);
+ rtsx_trace(chip);
+ return STATUS_FAIL;
}
if (detect_card_cd(chip, chip->cur_card) !=
- STATUS_SUCCESS)
- TRACE_RET(chip, STATUS_FAIL);
+ STATUS_SUCCESS) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
if (!chip->rw_need_retry) {
dev_dbg(rtsx_dev(chip), "RW fail, but no need to retry\n");
@@ -965,6 +1027,7 @@ int card_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
int card_share_mode(struct rtsx_chip *chip, int card)
{
+ int retval;
u8 mask, value;
if (CHECK_PID(chip, 0x5208)) {
@@ -975,8 +1038,10 @@ int card_share_mode(struct rtsx_chip *chip, int card)
value = CARD_SHARE_48_MS;
else if (card == XD_CARD)
value = CARD_SHARE_48_XD;
- else
- TRACE_RET(chip, STATUS_FAIL);
+ else {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
} else if (CHECK_PID(chip, 0x5288)) {
mask = 0x03;
@@ -986,14 +1051,21 @@ int card_share_mode(struct rtsx_chip *chip, int card)
value = CARD_SHARE_BAROSSA_MS;
else if (card == XD_CARD)
value = CARD_SHARE_BAROSSA_XD;
- else
- TRACE_RET(chip, STATUS_FAIL);
+ else {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
} else {
- TRACE_RET(chip, STATUS_FAIL);
+ rtsx_trace(chip);
+ return STATUS_FAIL;
}
- RTSX_WRITE_REG(chip, CARD_SHARE_MODE, mask, value);
+ retval = rtsx_write_register(chip, CARD_SHARE_MODE, mask, value);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
return STATUS_SUCCESS;
}
@@ -1014,15 +1086,23 @@ int select_card(struct rtsx_chip *chip, int card)
mod = XD_MOD_SEL;
else if (card == SPI_CARD)
mod = SPI_MOD_SEL;
- else
- TRACE_RET(chip, STATUS_FAIL);
+ else {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
- RTSX_WRITE_REG(chip, CARD_SELECT, 0x07, mod);
+ retval = rtsx_write_register(chip, CARD_SELECT, 0x07, mod);
+ if (retval) {
+ rtsx_trace(chip);
+ return retval;
+ }
chip->cur_card = card;
retval = card_share_mode(chip, card);
- if (retval != STATUS_SUCCESS)
- TRACE_RET(chip, STATUS_FAIL);
+ if (retval != STATUS_SUCCESS) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
}
return STATUS_SUCCESS;
@@ -1067,12 +1147,15 @@ int detect_card_cd(struct rtsx_chip *chip, int card)
card_cd = XD_EXIST;
} else {
dev_dbg(rtsx_dev(chip), "Wrong card type: 0x%x\n", card);
- TRACE_RET(chip, STATUS_FAIL);
+ rtsx_trace(chip);
+ return STATUS_FAIL;
}
status = rtsx_readl(chip, RTSX_BIPR);
- if (!(status & card_cd))
- TRACE_RET(chip, STATUS_FAIL);
+ if (!(status & card_cd)) {
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
return STATUS_SUCCESS;
}