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Commit 190f5e6b authored by Christian Lütke-Stetzkamp's avatar Christian Lütke-Stetzkamp Committed by Greg Kroah-Hartman
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staging: mt7621-mmc: Remove whitespace errors in sd.c 

The whitespace errors in the file sd.c are fixed by using the
cleanfile script. Indentations with whitespaces are not changed
in this patch.
Signed-off-by: default avatarChristian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4e78dcf7
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Showing with 571 additions and 571 deletions
drivers/staging/mt7621-mmc/sd.c
View file @ 190f5e6b
......@@ -130,7 +130,7 @@
#if 0 /* --- by chhung */
#define MSDC_CLKSRC_REG (0xf100000C)
#define PDN_REG (0xF1000010)
#define PDN_REG (0xF1000010)
#endif /* end of --- */
#define DEFAULT_DEBOUNCE (8) /* 8 cycles */
......@@ -148,11 +148,11 @@
#define MAX_HW_SGMTS (MAX_BD_NUM)
#define MAX_PHY_SGMTS (MAX_BD_NUM)
#define MAX_SGMT_SZ (MAX_DMA_CNT)
#define MAX_REQ_SZ (MAX_SGMT_SZ * 8)
#define MAX_REQ_SZ (MAX_SGMT_SZ * 8)
#ifdef MT6575_SD_DEBUG
static struct msdc_regs *msdc_reg[HOST_MAX_NUM];
#endif
#endif
static int mtk_sw_poll;
......@@ -167,7 +167,7 @@ static int cd_active_low = 1;
struct msdc_host *msdc_6575_host[] = {NULL,NULL,NULL,NULL};
#if 0 /* --- by chhung */
/* gate means clock power down */
static int g_clk_gate = 0;
static int g_clk_gate = 0;
#define msdc_gate_clock(id) \
do { \
g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)); \
......@@ -178,10 +178,10 @@ static int g_clk_gate = 0;
g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN); \
} while(0)
// do we need sync object or not
// do we need sync object or not
void msdc_clk_status(int * status)
{
*status = g_clk_gate;
*status = g_clk_gate;
}
#endif /* end of --- */
......@@ -240,7 +240,7 @@ static int msdc_rsp[] = {
((gpd_t*)gpd)->arg = arg; \
((gpd_t*)gpd)->blknum = blknum; \
}while(0)
#define msdc_init_bd(bd, blkpad, dwpad, dptr, dlen) \
do { \
BUG_ON(dlen > 0xFFFFUL); \
......@@ -255,7 +255,7 @@ static int msdc_rsp[] = {
#define msdc_fifo_write32(v) sdr_write32(MSDC_TXDATA, (v))
#define msdc_fifo_write8(v) sdr_write8(MSDC_TXDATA, (v))
#define msdc_fifo_read32() sdr_read32(MSDC_RXDATA)
#define msdc_fifo_read8() sdr_read8(MSDC_RXDATA)
#define msdc_fifo_read8() sdr_read8(MSDC_RXDATA)
#define msdc_dma_on() sdr_clr_bits(MSDC_CFG, MSDC_CFG_PIO)
......@@ -308,7 +308,7 @@ static int msdc_rsp[] = {
val = sdr_read32(MSDC_INTEN); \
sdr_clr_bits(MSDC_INTEN, val); \
} while(0)
#define msdc_irq_restore(val) \
do { \
sdr_set_bits(MSDC_INTEN, val); \
......@@ -323,7 +323,7 @@ static u32 hclks[] = {50000000}; /* +/- by chhung */
//============================================
// the power for msdc host controller: global
// always keep the VMC on.
// always keep the VMC on.
//============================================
#define msdc_vcore_on(host) \
do { \
......@@ -337,17 +337,17 @@ static u32 hclks[] = {50000000}; /* +/- by chhung */
} while (0)
//====================================
// the vdd output for card: global
// always keep the VMCH on.
//====================================
// the vdd output for card: global
// always keep the VMCH on.
//====================================
#define msdc_vdd_on(host) \
do { \
(void)hwPowerOn(MT65XX_POWER_LDO_VMCH, VOL_3300, "SD"); \
} while (0)
} while (0)
#define msdc_vdd_off(host) \
do { \
(void)hwPowerDown(MT65XX_POWER_LDO_VMCH, "SD"); \
} while (0)
} while (0)
#define sdc_is_busy() (sdr_read32(SDC_STS) & SDC_STS_SDCBUSY)
#define sdc_is_cmd_busy() (sdr_read32(SDC_STS) & SDC_STS_CMDBUSY)
......@@ -369,11 +369,11 @@ static u32 hclks[] = {50000000}; /* +/- by chhung */
#define PHYSADDR(a) ((a) & 0x1fffffff)
#endif
/* end of +++ */
static unsigned int msdc_do_command(struct msdc_host *host,
static unsigned int msdc_do_command(struct msdc_host *host,
struct mmc_command *cmd,
int tune,
unsigned long timeout);
unsigned long timeout);
static int msdc_tune_cmdrsp(struct msdc_host*host,struct mmc_command *cmd);
#ifdef MT6575_SD_DEBUG
......@@ -444,7 +444,7 @@ static void msdc_dump_card_status(struct msdc_host *host, u32 status)
N_MSG(RSP, "[CARD_STATUS] Switch error");
if (status & R1_APP_CMD)
N_MSG(RSP, "[CARD_STATUS] App Command");
N_MSG(RSP, "[CARD_STATUS] '%s' State", state[R1_CURRENT_STATE(status)]);
}
......@@ -486,9 +486,9 @@ static void msdc_dump_rca_resp(struct msdc_host *host, u32 resp)
(((resp >> 14) & 0x1) << 22) |
(((resp >> 13) & 0x1) << 19) |
(resp & 0x1fff);
N_MSG(RSP, "[RCA] 0x%.4x", resp >> 16);
msdc_dump_card_status(host, status);
msdc_dump_card_status(host, status);
}
static void msdc_dump_io_resp(struct msdc_host *host, u32 resp)
......@@ -500,7 +500,7 @@ static void msdc_dump_io_resp(struct msdc_host *host, u32 resp)
if (flags & (1 << 7))
N_MSG(RSP, "[IO] COM_CRC_ERR");
if (flags & (1 << 6))
N_MSG(RSP, "[IO] Illgal command");
N_MSG(RSP, "[IO] Illgal command");
if (flags & (1 << 3))
N_MSG(RSP, "[IO] Error");
if (flags & (1 << 2))
......@@ -565,12 +565,12 @@ static void msdc_tasklet_card(unsigned long arg)
#else
static void msdc_tasklet_card(struct work_struct *work)
{
struct msdc_host *host = (struct msdc_host *)container_of(work,
struct msdc_host, card_delaywork.work);
struct msdc_host *host = (struct msdc_host *)container_of(work,
struct msdc_host, card_delaywork.work);
#endif
struct msdc_hw *hw = host->hw;
u32 base = host->base;
u32 inserted;
u32 inserted;
u32 status = 0;
//u32 change = 0;
......@@ -589,22 +589,22 @@ static void msdc_tasklet_card(struct work_struct *work)
#if 0
change = host->card_inserted ^ inserted;
host->card_inserted = inserted;
if (change && !host->suspend) {
if (inserted) {
host->mmc->f_max = HOST_MAX_MCLK; // work around
}
host->mmc->f_max = HOST_MAX_MCLK; // work around
}
mmc_detect_change(host->mmc, msecs_to_jiffies(20));
}
#else /* Make sure: handle the last interrupt */
host->card_inserted = inserted;
host->card_inserted = inserted;
if (!host->suspend) {
host->mmc->f_max = HOST_MAX_MCLK;
host->mmc->f_max = HOST_MAX_MCLK;
mmc_detect_change(host->mmc, msecs_to_jiffies(20));
}
IRQ_MSG("card found<%s>", inserted ? "inserted" : "removed");
}
IRQ_MSG("card found<%s>", inserted ? "inserted" : "removed");
#endif
spin_unlock(&host->lock);
......@@ -613,27 +613,27 @@ static void msdc_tasklet_card(struct work_struct *work)
#if 0 /* --- by chhung */
/* For E2 only */
static u8 clk_src_bit[4] = {
0, 3, 5, 7
0, 3, 5, 7
};
static void msdc_select_clksrc(struct msdc_host* host, unsigned char clksrc)
{
u32 val;
u32 val;
u32 base = host->base;
BUG_ON(clksrc > 3);
INIT_MSG("set clock source to <%d>", clksrc);
val = sdr_read32(MSDC_CLKSRC_REG);
BUG_ON(clksrc > 3);
INIT_MSG("set clock source to <%d>", clksrc);
val = sdr_read32(MSDC_CLKSRC_REG);
if (sdr_read32(MSDC_ECO_VER) >= 4) {
val &= ~(0x3 << clk_src_bit[host->id]);
val |= clksrc << clk_src_bit[host->id];
} else {
val &= ~(0x3 << clk_src_bit[host->id]);
val |= clksrc << clk_src_bit[host->id];
} else {
val &= ~0x3; val |= clksrc;
}
}
sdr_write32(MSDC_CLKSRC_REG, val);
host->hclk = hclks[clksrc];
host->hclk = hclks[clksrc];
host->hw->clk_src = clksrc;
}
#endif /* end of --- */
......@@ -656,7 +656,7 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz)
}
msdc_irq_save(flags);
#if defined (CONFIG_MT7621_FPGA) || defined (CONFIG_MT7628_FPGA)
mode = 0x0; /* use divisor */
if (hz >= (hclk >> 1)) {
......@@ -670,40 +670,40 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz)
if (ddr) {
mode = 0x2; /* ddr mode and use divisor */
if (hz >= (hclk >> 2)) {
div = 1; /* mean div = 1/4 */
sclk = hclk >> 2; /* sclk = clk / 4 */
div = 1; /* mean div = 1/4 */
sclk = hclk >> 2; /* sclk = clk / 4 */
} else {
div = (hclk + ((hz << 2) - 1)) / (hz << 2);
sclk = (hclk >> 2) / div;
div = (hclk + ((hz << 2) - 1)) / (hz << 2);
sclk = (hclk >> 2) / div;
}
} else if (hz >= hclk) { /* bug fix */
mode = 0x1; /* no divisor and divisor is ignored */
div = 0;
sclk = hclk;
sclk = hclk;
} else {
mode = 0x0; /* use divisor */
if (hz >= (hclk >> 1)) {
div = 0; /* mean div = 1/2 */
sclk = hclk >> 1; /* sclk = clk / 2 */
div = 0; /* mean div = 1/2 */
sclk = hclk >> 1; /* sclk = clk / 2 */
} else {
div = (hclk + ((hz << 2) - 1)) / (hz << 2);
sclk = (hclk >> 2) / div;
div = (hclk + ((hz << 2) - 1)) / (hz << 2);
sclk = (hclk >> 2) / div;
}
}
}
#endif
/* set clock mode and divisor */
sdr_set_field(MSDC_CFG, MSDC_CFG_CKMOD, mode);
sdr_set_field(MSDC_CFG, MSDC_CFG_CKDIV, div);
/* wait clock stable */
while (!(sdr_read32(MSDC_CFG) & MSDC_CFG_CKSTB));
host->sclk = sclk;
host->mclk = hz;
msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); // need?
INIT_MSG("================");
INIT_MSG("!!! Set<%dKHz> Source<%dKHz> -> sclk<%dKHz>", hz/1000, hclk/1000, sclk/1000);
INIT_MSG("================");
INIT_MSG("!!! Set<%dKHz> Source<%dKHz> -> sclk<%dKHz>", hz/1000, hclk/1000, sclk/1000);
INIT_MSG("================");
msdc_irq_restore(flags);
......@@ -716,18 +716,18 @@ static void msdc_abort_data(struct msdc_host *host)
struct mmc_command *stop = host->mrq->stop;
ERR_MSG("Need to Abort. dma<%d>", host->dma_xfer);
msdc_reset();
msdc_clr_fifo();
msdc_clr_fifo();
msdc_clr_int();
// need to check FIFO count 0 ?
if (stop) { /* try to stop, but may not success */
ERR_MSG("stop when abort CMD<%d>", stop->opcode);
ERR_MSG("stop when abort CMD<%d>", stop->opcode);
(void)msdc_do_command(host, stop, 0, CMD_TIMEOUT);
}
//if (host->mclk >= 25000000) {
// msdc_set_mclk(host, 0, host->mclk >> 1);
//}
......@@ -773,8 +773,8 @@ static void msdc_pin_config(struct msdc_host *host, int mode)
sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0);
break;
}
N_MSG(CFG, "Pins mode(%d), down(%d), up(%d)",
N_MSG(CFG, "Pins mode(%d), down(%d), up(%d)",
mode, MSDC_PIN_PULL_DOWN, MSDC_PIN_PULL_UP);
}
......@@ -799,7 +799,7 @@ void msdc_pin_reset(struct msdc_host *host, int mode)
static void msdc_core_power(struct msdc_host *host, int on)
{
N_MSG(CFG, "Turn %s %s power (copower: %d -> %d)",
N_MSG(CFG, "Turn %s %s power (copower: %d -> %d)",
on ? "on" : "off", "core", host->core_power, on);
if (on && host->core_power == 0) {
......@@ -818,7 +818,7 @@ static void msdc_host_power(struct msdc_host *host, int on)
N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "host");
if (on) {
//msdc_core_power(host, 1); // need do card detection.
//msdc_core_power(host, 1); // need do card detection.
msdc_pin_reset(host, MSDC_PIN_PULL_UP);
} else {
msdc_pin_reset(host, MSDC_PIN_PULL_DOWN);
......@@ -831,7 +831,7 @@ static void msdc_card_power(struct msdc_host *host, int on)
N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "card");
if (on) {
msdc_pin_config(host, MSDC_PIN_PULL_UP);
msdc_pin_config(host, MSDC_PIN_PULL_UP);
if (host->hw->ext_power_on) {
host->hw->ext_power_on();
} else {
......@@ -866,8 +866,8 @@ static void msdc_set_power_mode(struct msdc_host *host, u8 mode)
#ifdef CONFIG_PM
/*
register as callback function of WIFI(combo_sdio_register_pm) .
can called by msdc_drv_suspend/resume too.
register as callback function of WIFI(combo_sdio_register_pm) .
can called by msdc_drv_suspend/resume too.
*/
static void msdc_pm(pm_message_t state, void *data)
{
......@@ -875,9 +875,9 @@ static void msdc_pm(pm_message_t state, void *data)
int evt = state.event;
if (evt == PM_EVENT_USER_RESUME || evt == PM_EVENT_USER_SUSPEND) {
INIT_MSG("USR_%s: suspend<%d> power<%d>",
evt == PM_EVENT_USER_RESUME ? "EVENT_USER_RESUME" : "EVENT_USER_SUSPEND",
host->suspend, host->power_mode);
INIT_MSG("USR_%s: suspend<%d> power<%d>",
evt == PM_EVENT_USER_RESUME ? "EVENT_USER_RESUME" : "EVENT_USER_SUSPEND",
host->suspend, host->power_mode);
}
if (evt == PM_EVENT_SUSPEND || evt == PM_EVENT_USER_SUSPEND) {
......@@ -885,39 +885,39 @@ static void msdc_pm(pm_message_t state, void *data)
return;
/* for memory card. already power off by mmc */
if (evt == PM_EVENT_SUSPEND && host->power_mode == MMC_POWER_OFF)
if (evt == PM_EVENT_SUSPEND && host->power_mode == MMC_POWER_OFF)
return;
host->suspend = 1;
host->pm_state = state; /* default PMSG_RESUME */
INIT_MSG("%s Suspend", evt == PM_EVENT_SUSPEND ? "PM" : "USR");
INIT_MSG("%s Suspend", evt == PM_EVENT_SUSPEND ? "PM" : "USR");
if(host->hw->flags & MSDC_SYS_SUSPEND) /* set for card */
(void)mmc_suspend_host(host->mmc);
else {
else {
// host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* just for double confirm */ /* --- by chhung */
mmc_remove_host(host->mmc);
}
} else if (evt == PM_EVENT_RESUME || evt == PM_EVENT_USER_RESUME) {
if (!host->suspend){
//ERR_MSG("warning: already resume");
//ERR_MSG("warning: already resume");
return;
}
/* No PM resume when USR suspend */
if (evt == PM_EVENT_RESUME && host->pm_state.event == PM_EVENT_USER_SUSPEND) {
ERR_MSG("PM Resume when in USR Suspend"); /* won't happen. */
ERR_MSG("PM Resume when in USR Suspend"); /* won't happen. */
return;
}
host->suspend = 0;
host->pm_state = state;
INIT_MSG("%s Resume", evt == PM_EVENT_RESUME ? "PM" : "USR");
INIT_MSG("%s Resume", evt == PM_EVENT_RESUME ? "PM" : "USR");
if(host->hw->flags & MSDC_SYS_SUSPEND) { /* will not set for WIFI */
(void)mmc_resume_host(host->mmc);
}
else {
else {
// host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* --- by chhung */
mmc_add_host(host->mmc);
}
......@@ -928,7 +928,7 @@ static void msdc_pm(pm_message_t state, void *data)
/*--------------------------------------------------------------------------*/
/* mmc_host_ops members */
/*--------------------------------------------------------------------------*/
static unsigned int msdc_command_start(struct msdc_host *host,
static unsigned int msdc_command_start(struct msdc_host *host,
struct mmc_command *cmd,
int tune, /* not used */
unsigned long timeout)
......@@ -936,14 +936,14 @@ static unsigned int msdc_command_start(struct msdc_host *host,
u32 base = host->base;
u32 opcode = cmd->opcode;
u32 rawcmd;
u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO |
MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO |
MSDC_INT_ACMD19_DONE;
u32 resp;
u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO |
MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO |
MSDC_INT_ACMD19_DONE;
u32 resp;
unsigned long tmo;
/* Protocol layer does not provide response type, but our hardware needs
/* Protocol layer does not provide response type, but our hardware needs
* to know exact type, not just size!
*/
if (opcode == MMC_SEND_OP_COND || opcode == SD_APP_OP_COND)
......@@ -976,18 +976,18 @@ static unsigned int msdc_command_start(struct msdc_host *host,
break;
case MMC_RSP_NONE:
default:
resp = RESP_NONE;
resp = RESP_NONE;
break;
}
}
cmd->error = 0;
/* rawcmd :
* vol_swt << 30 | auto_cmd << 28 | blklen << 16 | go_irq << 15 |
* vol_swt << 30 | auto_cmd << 28 | blklen << 16 | go_irq << 15 |
* stop << 14 | rw << 13 | dtype << 11 | rsptyp << 7 | brk << 6 | opcode
*/
*/
rawcmd = opcode | msdc_rsp[resp] << 7 | host->blksz << 16;
if (opcode == MMC_READ_MULTIPLE_BLOCK) {
rawcmd |= (2 << 11);
} else if (opcode == MMC_READ_SINGLE_BLOCK) {
......@@ -1005,7 +1005,7 @@ static unsigned int msdc_command_start(struct msdc_host *host,
rawcmd |= (1 << 11);
} else if (opcode == SD_IO_RW_DIRECT && cmd->flags == (unsigned int)-1) {
rawcmd |= (1 << 14);
} else if ((opcode == SD_APP_SEND_SCR) ||
} else if ((opcode == SD_APP_SEND_SCR) ||
(opcode == SD_APP_SEND_NUM_WR_BLKS) ||
(opcode == SD_SWITCH && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) ||
(opcode == SD_APP_SD_STATUS && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) ||
......@@ -1024,41 +1024,41 @@ static unsigned int msdc_command_start(struct msdc_host *host,
for (;;) {
if (!sdc_is_cmd_busy())
break;
if (time_after(jiffies, tmo)) {
ERR_MSG("XXX cmd_busy timeout: before CMD<%d>", opcode);
ERR_MSG("XXX cmd_busy timeout: before CMD<%d>", opcode);
cmd->error = (unsigned int)-ETIMEDOUT;
msdc_reset();
goto end;
}
}
}
}else {
for (;;) {
for (;;) {
if (!sdc_is_busy())
break;
if (time_after(jiffies, tmo)) {
ERR_MSG("XXX sdc_busy timeout: before CMD<%d>", opcode);
ERR_MSG("XXX sdc_busy timeout: before CMD<%d>", opcode);
cmd->error = (unsigned int)-ETIMEDOUT;
msdc_reset();
goto end;
}
}
}
goto end;
}
}
}
//BUG_ON(in_interrupt());
host->cmd = cmd;
host->cmd_rsp = resp;
init_completion(&host->cmd_done);
sdr_set_bits(MSDC_INTEN, wints);
sdc_send_cmd(rawcmd, cmd->arg);
end:
host->cmd_rsp = resp;
init_completion(&host->cmd_done);
sdr_set_bits(MSDC_INTEN, wints);
sdc_send_cmd(rawcmd, cmd->arg);
end:
return cmd->error;
}
static unsigned int msdc_command_resp(struct msdc_host *host,
static unsigned int msdc_command_resp(struct msdc_host *host,
struct mmc_command *cmd,
int tune,
unsigned long timeout)
......@@ -1067,22 +1067,22 @@ static unsigned int msdc_command_resp(struct msdc_host *host,
u32 opcode = cmd->opcode;
//u32 rawcmd;
u32 resp;
u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO |
MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO |
MSDC_INT_ACMD19_DONE;
u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO |
MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO |
MSDC_INT_ACMD19_DONE;
resp = host->cmd_rsp;
BUG_ON(in_interrupt());
//init_completion(&host->cmd_done);
//sdr_set_bits(MSDC_INTEN, wints);
spin_unlock(&host->lock);
if(!wait_for_completion_timeout(&host->cmd_done, 10*timeout)){
spin_unlock(&host->lock);
if(!wait_for_completion_timeout(&host->cmd_done, 10*timeout)){
ERR_MSG("XXX CMD<%d> wait_for_completion timeout ARG<0x%.8x>", opcode, cmd->arg);
cmd->error = (unsigned int)-ETIMEDOUT;
msdc_reset();
}
}
spin_lock(&host->lock);
sdr_clr_bits(MSDC_INTEN, wints);
......@@ -1095,12 +1095,12 @@ static unsigned int msdc_command_resp(struct msdc_host *host,
N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)", opcode, cmd->error, resp);
break;
case RESP_R2:
N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= %.8x %.8x %.8x %.8x",
opcode, cmd->error, resp, cmd->resp[0], cmd->resp[1],
cmd->resp[2], cmd->resp[3]);
N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= %.8x %.8x %.8x %.8x",
opcode, cmd->error, resp, cmd->resp[0], cmd->resp[1],
cmd->resp[2], cmd->resp[3]);
break;
default: /* Response types 1, 3, 4, 5, 6, 7(1b) */
N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= 0x%.8x",
N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= 0x%.8x",
opcode, cmd->error, resp, cmd->resp[0]);
if (cmd->error == 0) {
switch (resp) {
......@@ -1123,80 +1123,80 @@ static unsigned int msdc_command_resp(struct msdc_host *host,
}
#endif
/* do we need to save card's RCA when SD_SEND_RELATIVE_ADDR */
/* do we need to save card's RCA when SD_SEND_RELATIVE_ADDR */
if (!tune) {
return cmd->error;
return cmd->error;
}
/* memory card CRC */
if(host->hw->flags & MSDC_REMOVABLE && cmd->error == (unsigned int)(-EIO) ) {
if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */
/* memory card CRC */
if(host->hw->flags & MSDC_REMOVABLE && cmd->error == (unsigned int)(-EIO) ) {
if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */
msdc_abort_data(host);
} else {
/* do basic: reset*/
/* do basic: reset*/
msdc_reset();
msdc_clr_fifo();
msdc_clr_int();
}
cmd->error = msdc_tune_cmdrsp(host,cmd);
msdc_clr_fifo();
msdc_clr_int();
}
cmd->error = msdc_tune_cmdrsp(host,cmd);
}
// check DAT0
// check DAT0
/* if (resp == RESP_R1B) {
while ((sdr_read32(MSDC_PS) & 0x10000) != 0x10000);
} */
while ((sdr_read32(MSDC_PS) & 0x10000) != 0x10000);
} */
/* CMD12 Error Handle */
return cmd->error;
}
}
static unsigned int msdc_do_command(struct msdc_host *host,
static unsigned int msdc_do_command(struct msdc_host *host,
struct mmc_command *cmd,
int tune,
unsigned long timeout)
{
if (msdc_command_start(host, cmd, tune, timeout))
goto end;
if (msdc_command_start(host, cmd, tune, timeout))
goto end;
if (msdc_command_resp(host, cmd, tune, timeout))
goto end;
end:
if (msdc_command_resp(host, cmd, tune, timeout))
goto end;
N_MSG(CMD, " return<%d> resp<0x%.8x>", cmd->error, cmd->resp[0]);
end:
N_MSG(CMD, " return<%d> resp<0x%.8x>", cmd->error, cmd->resp[0]);
return cmd->error;
}
/* The abort condition when PIO read/write
tmo:
/* The abort condition when PIO read/write
tmo:
*/
static int msdc_pio_abort(struct msdc_host *host, struct mmc_data *data, unsigned long tmo)
{
int ret = 0;
int ret = 0;
u32 base = host->base;
if (atomic_read(&host->abort)) {
if (atomic_read(&host->abort)) {
ret = 1;
}
}
if (time_after(jiffies, tmo)) {
data->error = (unsigned int)-ETIMEDOUT;
ERR_MSG("XXX PIO Data Timeout: CMD<%d>", host->mrq->cmd->opcode);
ret = 1;
}
ret = 1;
}
if(ret) {
msdc_reset();
msdc_clr_fifo();
msdc_clr_int();
ERR_MSG("msdc pio find abort");
msdc_clr_fifo();
msdc_clr_int();
ERR_MSG("msdc pio find abort");
}
return ret;
return ret;
}
/*
Need to add a timeout, or WDT timeout, system reboot.
Need to add a timeout, or WDT timeout, system reboot.
*/
// pio mode data read/write
static int msdc_pio_read(struct msdc_host *host, struct mmc_data *data)
......@@ -1208,9 +1208,9 @@ static int msdc_pio_read(struct msdc_host *host, struct mmc_data *data)
u8 *u8ptr;
u32 left = 0;
u32 count, size = 0;
u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
unsigned long tmo = jiffies + DAT_TIMEOUT;
u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
unsigned long tmo = jiffies + DAT_TIMEOUT;
sdr_set_bits(MSDC_INTEN, wints);
while (num) {
left = sg_dma_len(sg);
......@@ -1227,16 +1227,16 @@ static int msdc_pio_read(struct msdc_host *host, struct mmc_data *data)
*ptr++ = msdc_fifo_read32();
left -= 4;
}
u8ptr = (u8 *)ptr;
u8ptr = (u8 *)ptr;
while(left) {
* u8ptr++ = msdc_fifo_read8();
left--;
left--;
}
}
if (msdc_pio_abort(host, data, tmo)) {
goto end;
goto end;
}
}
size += sg_dma_len(sg);
......@@ -1245,15 +1245,15 @@ static int msdc_pio_read(struct msdc_host *host, struct mmc_data *data)
end:
data->bytes_xfered += size;
N_MSG(FIO, " PIO Read<%d>bytes", size);
sdr_clr_bits(MSDC_INTEN, wints);
sdr_clr_bits(MSDC_INTEN, wints);
if(data->error) ERR_MSG("read pio data->error<%d> left<%d> size<%d>", data->error, left, size);
return data->error;
}
/* please make sure won't using PIO when size >= 512
/* please make sure won't using PIO when size >= 512
which means, memory card block read/write won't using pio
then don't need to handle the CMD12 when data error.
then don't need to handle the CMD12 when data error.
*/
static int msdc_pio_write(struct msdc_host* host, struct mmc_data *data)
{
......@@ -1264,10 +1264,10 @@ static int msdc_pio_write(struct msdc_host* host, struct mmc_data *data)
u8 *u8ptr;
u32 left;
u32 count, size = 0;
u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
unsigned long tmo = jiffies + DAT_TIMEOUT;
sdr_set_bits(MSDC_INTEN, wints);
u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
unsigned long tmo = jiffies + DAT_TIMEOUT;
sdr_set_bits(MSDC_INTEN, wints);
while (num) {
left = sg_dma_len(sg);
ptr = sg_virt(sg);
......@@ -1283,33 +1283,33 @@ static int msdc_pio_write(struct msdc_host* host, struct mmc_data *data)
while (left > 3) {
msdc_fifo_write32(*ptr); ptr++;
left -= 4;
}
u8ptr = (u8*)ptr;
}
u8ptr = (u8*)ptr;
while(left){
msdc_fifo_write8(*u8ptr); u8ptr++;
left--;
}
}
if (msdc_pio_abort(host, data, tmo)) {
goto end;
}
goto end;
}
}
size += sg_dma_len(sg);
sg = sg_next(sg); num--;
}
end:
end:
data->bytes_xfered += size;
N_MSG(FIO, " PIO Write<%d>bytes", size);
if(data->error) ERR_MSG("write pio data->error<%d>", data->error);
sdr_clr_bits(MSDC_INTEN, wints);
return data->error;
sdr_clr_bits(MSDC_INTEN, wints);
return data->error;
}
#if 0 /* --- by chhung */
// DMA resume / start / stop
// DMA resume / start / stop
static void msdc_dma_resume(struct msdc_host *host)
{
u32 base = host->base;
......@@ -1323,8 +1323,8 @@ static void msdc_dma_resume(struct msdc_host *host)
static void msdc_dma_start(struct msdc_host *host)
{
u32 base = host->base;
u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
sdr_set_bits(MSDC_INTEN, wints);
//dsb(); /* --- by chhung */
sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1);
......@@ -1336,8 +1336,8 @@ static void msdc_dma_stop(struct msdc_host *host)
{
u32 base = host->base;
//u32 retries=500;
u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ;
N_MSG(DMA, "DMA status: 0x%.8x",sdr_read32(MSDC_DMA_CFG));
//while (sdr_read32(MSDC_DMA_CFG) & MSDC_DMA_CFG_STS);
......@@ -1354,15 +1354,15 @@ static void msdc_dma_stop(struct msdc_host *host)
/* dump a gpd list */
static void msdc_dma_dump(struct msdc_host *host, struct msdc_dma *dma)
{
gpd_t *gpd = dma->gpd;
bd_t *bd = dma->bd;
bd_t *ptr;
int i = 0;
int p_to_v;
gpd_t *gpd = dma->gpd;
bd_t *bd = dma->bd;
bd_t *ptr;
int i = 0;
int p_to_v;
if (dma->mode != MSDC_MODE_DMA_DESC) {
return;
}
return;
}
ERR_MSG("try to dump gpd and bd");
......@@ -1377,15 +1377,15 @@ static void msdc_dma_dump(struct msdc_host *host, struct msdc_dma *dma)
ERR_MSG("...buflen<0x%.8x>", gpd->buflen );
//ERR_MSG("...extlen<0x%.8x>", gpd->extlen );
//ERR_MSG("...arg <0x%.8x>", gpd->arg );
//ERR_MSG("...blknum<0x%.8x>", gpd->blknum );
//ERR_MSG("...cmd <0x%.8x>", gpd->cmd );
//ERR_MSG("...blknum<0x%.8x>", gpd->blknum );
//ERR_MSG("...cmd <0x%.8x>", gpd->cmd );
/* dump bd */
ERR_MSG(".bd<0x%.8x> bd_phy<0x%.8x> gpd_ptr<0x%.8x>", (int)bd, (int)dma->bd_addr, (int)gpd->ptr);
ptr = bd;
ERR_MSG(".bd<0x%.8x> bd_phy<0x%.8x> gpd_ptr<0x%.8x>", (int)bd, (int)dma->bd_addr, (int)gpd->ptr);
ptr = bd;
p_to_v = ((u32)bd - (u32)dma->bd_addr);
while (1) {
ERR_MSG(".bd[%d]", i); i++;
ERR_MSG(".bd[%d]", i); i++;
ERR_MSG("...eol <%d>", ptr->eol );
ERR_MSG("...chksum<0x%.8x>", ptr->chksum );
//ERR_MSG("...blkpad<0x%.8x>", ptr->blkpad );
......@@ -1393,18 +1393,18 @@ static void msdc_dma_dump(struct msdc_host *host, struct msdc_dma *dma)
ERR_MSG("...next <0x%.8x>", (int)ptr->next );
ERR_MSG("...ptr <0x%.8x>", (int)ptr->ptr );
ERR_MSG("...buflen<0x%.8x>", (int)ptr->buflen );
if (ptr->eol == 1) {
break;
break;
}
/* find the next bd, virtual address of ptr->next */
/* don't need to enable when use malloc */
//BUG_ON( (ptr->next + p_to_v)!=(ptr+1) );
//BUG_ON( (ptr->next + p_to_v)!=(ptr+1) );
//ERR_MSG(".next bd<0x%.8x><0x%.8x>", (ptr->next + p_to_v), (ptr+1));
ptr++;
}
ptr++;
}
ERR_MSG("dump gpd and bd finished");
}
#endif /* end of --- */
......@@ -1453,57 +1453,57 @@ static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma)
chksum = (dma->flags & DMA_FLAG_EN_CHKSUM) ? 1 : 0;
/* calculate the required number of gpd */
num = (sglen + MAX_BD_PER_GPD - 1) / MAX_BD_PER_GPD;
BUG_ON(num !=1 );
gpd = dma->gpd;
bd = dma->bd;
bdlen = sglen;
num = (sglen + MAX_BD_PER_GPD - 1) / MAX_BD_PER_GPD;
BUG_ON(num !=1 );
gpd = dma->gpd;
bd = dma->bd;
bdlen = sglen;
/* modify gpd*/
//gpd->intr = 0;
//gpd->intr = 0;
gpd->hwo = 1; /* hw will clear it */
gpd->bdp = 1;
gpd->chksum = 0; /* need to clear first. */
gpd->bdp = 1;
gpd->chksum = 0; /* need to clear first. */
gpd->chksum = (chksum ? msdc_dma_calcs((u8 *)gpd, 16) : 0);
/* modify bd*/
/* modify bd*/
for (j = 0; j < bdlen; j++) {
msdc_init_bd(&bd[j], blkpad, dwpad, sg_dma_address(sg), sg_dma_len(sg));
msdc_init_bd(&bd[j], blkpad, dwpad, sg_dma_address(sg), sg_dma_len(sg));
if(j == bdlen - 1) {
bd[j].eol = 1; /* the last bd */
bd[j].eol = 1; /* the last bd */
} else {
bd[j].eol = 0;
bd[j].eol = 0;
}
bd[j].chksum = 0; /* checksume need to clear first */
bd[j].chksum = (chksum ? msdc_dma_calcs((u8 *)(&bd[j]), 16) : 0);
bd[j].chksum = (chksum ? msdc_dma_calcs((u8 *)(&bd[j]), 16) : 0);
sg++;
}
dma->used_gpd += 2;
dma->used_bd += bdlen;
dma->used_bd += bdlen;
sdr_set_field(MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, chksum);
sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz);
sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1);
sdr_write32(MSDC_DMA_SA, PHYSADDR((u32)dma->gpd_addr));
sdr_write32(MSDC_DMA_SA, PHYSADDR((u32)dma->gpd_addr));
break;
default:
break;
}
N_MSG(DMA, "DMA_CTRL = 0x%x", sdr_read32(MSDC_DMA_CTRL));
N_MSG(DMA, "DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG));
N_MSG(DMA, "DMA_SA = 0x%x", sdr_read32(MSDC_DMA_SA));
return 0;
}
}
static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
struct scatterlist *sg, unsigned int sglen)
{
{
BUG_ON(sglen > MAX_BD_NUM); /* not support currently */
dma->sg = sg;
......@@ -1512,7 +1512,7 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
dma->sglen = sglen;
dma->xfersz = host->xfer_size;
dma->burstsz = MSDC_BRUST_64B;
if (sglen == 1 && sg_dma_len(sg) <= MAX_DMA_CNT)
dma->mode = MSDC_MODE_DMA_BASIC;
else
......@@ -1521,7 +1521,7 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
N_MSG(DMA, "DMA mode<%d> sglen<%d> xfersz<%d>", dma->mode, dma->sglen, dma->xfersz);
msdc_dma_config(host, dma);
/*if (dma->mode == MSDC_MODE_DMA_DESC) {
//msdc_dma_dump(host, dma);
} */
......@@ -1541,33 +1541,33 @@ static int msdc_do_request(struct mmc_host*mmc, struct mmc_request*mrq)
struct mmc_command *cmd;
struct mmc_data *data;
u32 base = host->base;
//u32 intsts = 0;
//u32 intsts = 0;
unsigned int left=0;
int dma = 0, read = 1, dir = DMA_FROM_DEVICE, send_type=0;
#define SND_DAT 0
#define SND_CMD 1
BUG_ON(mmc == NULL);
BUG_ON(mrq == NULL);
BUG_ON(mrq == NULL);
host->error = 0;
atomic_set(&host->abort, 0);
cmd = mrq->cmd;
data = mrq->cmd->data;
#if 0 /* --- by chhung */
//if(host->id ==1){
N_MSG(OPS, "enable clock!");
msdc_ungate_clock(host->id);
msdc_ungate_clock(host->id);
//}
#endif /* end of --- */
if (!data) {
send_type=SND_CMD;
send_type=SND_CMD;
if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0) {
goto done;
goto done;
}
} else {
BUG_ON(data->blksz > HOST_MAX_BLKSZ);
......@@ -1583,10 +1583,10 @@ static int msdc_do_request(struct mmc_host*mmc, struct mmc_request*mrq)
if (drv_mode[host->id] == MODE_PIO) {
host->dma_xfer = dma = 0;
} else if (drv_mode[host->id] == MODE_DMA) {
host->dma_xfer = dma = 1;
host->dma_xfer = dma = 1;
} else if (drv_mode[host->id] == MODE_SIZE_DEP) {
host->dma_xfer = dma = ((host->xfer_size >= dma_size[host->id]) ? 1 : 0);
}
host->dma_xfer = dma = ((host->xfer_size >= dma_size[host->id]) ? 1 : 0);
}
if (read) {
if ((host->timeout_ns != data->timeout_ns) ||
......@@ -1594,176 +1594,176 @@ static int msdc_do_request(struct mmc_host*mmc, struct mmc_request*mrq)
msdc_set_timeout(host, data->timeout_ns, data->timeout_clks);
}
}
msdc_set_blknum(host, data->blocks);
//msdc_clr_fifo(); /* no need */
if (dma) {
msdc_dma_on(); /* enable DMA mode first!! */
init_completion(&host->xfer_done);
/* start the command first*/
/* start the command first*/
if (msdc_command_start(host, cmd, 1, CMD_TIMEOUT) != 0)
goto done;
goto done;
dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
(void)dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len, dir);
msdc_dma_setup(host, &host->dma, data->sg, data->sg_len);
msdc_dma_setup(host, &host->dma, data->sg, data->sg_len);
/* then wait command done */
if (msdc_command_resp(host, cmd, 1, CMD_TIMEOUT) != 0)
goto done;
goto done;
/* for read, the data coming too fast, then CRC error
/* for read, the data coming too fast, then CRC error
start DMA no business with CRC. */
//init_completion(&host->xfer_done);
//init_completion(&host->xfer_done);
msdc_dma_start(host);
spin_unlock(&host->lock);
if(!wait_for_completion_timeout(&host->xfer_done, DAT_TIMEOUT)){
ERR_MSG("XXX CMD<%d> wait xfer_done<%d> timeout!!", cmd->opcode, data->blocks * data->blksz);
ERR_MSG(" DMA_SA = 0x%x", sdr_read32(MSDC_DMA_SA));
ERR_MSG(" DMA_CA = 0x%x", sdr_read32(MSDC_DMA_CA));
ERR_MSG(" DMA_CA = 0x%x", sdr_read32(MSDC_DMA_CA));
ERR_MSG(" DMA_CTRL = 0x%x", sdr_read32(MSDC_DMA_CTRL));
ERR_MSG(" DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG));
ERR_MSG(" DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG));
data->error = (unsigned int)-ETIMEDOUT;
msdc_reset();
msdc_clr_fifo();
msdc_clr_int();
msdc_clr_fifo();
msdc_clr_int();
}
spin_lock(&host->lock);
msdc_dma_stop(host);
msdc_dma_stop(host);
} else {
/* Firstly: send command */
if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0) {
goto done;
}
/* Secondly: pio data phase */
/* Secondly: pio data phase */
if (read) {
if (msdc_pio_read(host, data)){
goto done;
goto done;
}
} else {
if (msdc_pio_write(host, data)) {
goto done;
goto done;
}
}
/* For write case: make sure contents in fifo flushed to device */
if (!read) {
/* For write case: make sure contents in fifo flushed to device */
if (!read) {
while (1) {
left=msdc_txfifocnt();
left=msdc_txfifocnt();
if (left == 0) {
break;
}
break;
}
if (msdc_pio_abort(host, data, jiffies + DAT_TIMEOUT)) {
break;
/* Fix me: what about if data error, when stop ? how to? */
}
}
}
} else {
/* Fix me: read case: need to check CRC error */
/* Fix me: read case: need to check CRC error */
}
/* For write case: SDCBUSY and Xfer_Comp will assert when DAT0 not busy.
/* For write case: SDCBUSY and Xfer_Comp will assert when DAT0 not busy.
For read case : SDCBUSY and Xfer_Comp will assert when last byte read out from FIFO.
*/
/* try not to wait xfer_comp interrupt.
the next command will check SDC_BUSY.
SDC_BUSY means xfer_comp assert
*/
} // PIO mode
*/
/* try not to wait xfer_comp interrupt.
the next command will check SDC_BUSY.
SDC_BUSY means xfer_comp assert
*/
} // PIO mode
/* Last: stop transfer */
if (data->stop){
if (data->stop){
if (msdc_do_command(host, data->stop, 0, CMD_TIMEOUT) != 0) {
goto done;
goto done;
}
}
}
}
done:
if (data != NULL) {
host->data = NULL;
host->dma_xfer = 0;
host->dma_xfer = 0;
if (dma != 0) {
msdc_dma_off();
msdc_dma_off();
host->dma.used_bd = 0;
host->dma.used_gpd = 0;
dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, dir);
}
host->blksz = 0;
host->blksz = 0;
#if 0 // don't stop twice!
if(host->hw->flags & MSDC_REMOVABLE && data->error) {
if(host->hw->flags & MSDC_REMOVABLE && data->error) {
msdc_abort_data(host);
/* reset in IRQ, stop command has issued. -> No need */
}
#endif
}
#endif
N_MSG(OPS, "CMD<%d> data<%s %s> blksz<%d> block<%d> error<%d>",cmd->opcode, (dma? "dma":"pio"),
(read ? "read ":"write") ,data->blksz, data->blocks, data->error);
N_MSG(OPS, "CMD<%d> data<%s %s> blksz<%d> block<%d> error<%d>",cmd->opcode, (dma? "dma":"pio"),
(read ? "read ":"write") ,data->blksz, data->blocks, data->error);
}
#if 0 /* --- by chhung */
#if 1
#if 1
//if(host->id==1) {
if(send_type==SND_CMD) {
if(cmd->opcode == MMC_SEND_STATUS) {
if((cmd->resp[0] & CARD_READY_FOR_DATA) ||(CARD_CURRENT_STATE(cmd->resp[0]) != 7)){
N_MSG(OPS,"disable clock, CMD13 IDLE");
msdc_gate_clock(host->id);
}
msdc_gate_clock(host->id);
}
} else {
N_MSG(OPS,"disable clock, CMD<%d>", cmd->opcode);
msdc_gate_clock(host->id);
N_MSG(OPS,"disable clock, CMD<%d>", cmd->opcode);
msdc_gate_clock(host->id);
}
} else {
if(read) {
N_MSG(OPS,"disable clock!!! Read CMD<%d>",cmd->opcode);
msdc_gate_clock(host->id);
N_MSG(OPS,"disable clock!!! Read CMD<%d>",cmd->opcode);
msdc_gate_clock(host->id);
}
}
//}
#else
msdc_gate_clock(host->id);
msdc_gate_clock(host->id);
#endif
#endif /* end of --- */
if (mrq->cmd->error) host->error = 0x001;
if (mrq->data && mrq->data->error) host->error |= 0x010;
if (mrq->stop && mrq->stop->error) host->error |= 0x100;
if (mrq->data && mrq->data->error) host->error |= 0x010;
if (mrq->stop && mrq->stop->error) host->error |= 0x100;
//if (host->error) ERR_MSG("host->error<%d>", host->error);
//if (host->error) ERR_MSG("host->error<%d>", host->error);
return host->error;
}
static int msdc_app_cmd(struct mmc_host *mmc, struct msdc_host *host)
{
struct mmc_command cmd;
struct mmc_command cmd;
struct mmc_request mrq;
u32 err;
u32 err;
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = MMC_APP_CMD;
#if 0 /* bug: we meet mmc->card is null when ACMD6 */
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = MMC_APP_CMD;
#if 0 /* bug: we meet mmc->card is null when ACMD6 */
cmd.arg = mmc->card->rca << 16;
#else
cmd.arg = host->app_cmd_arg;
#endif
#else
cmd.arg = host->app_cmd_arg;
#endif
cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
memset(&mrq, 0, sizeof(struct mmc_request));
mrq.cmd = &cmd; cmd.mrq = &mrq;
cmd.data = NULL;
cmd.data = NULL;
err = msdc_do_command(host, &cmd, 0, CMD_TIMEOUT);
return err;
err = msdc_do_command(host, &cmd, 0, CMD_TIMEOUT);
return err;
}
static int msdc_tune_cmdrsp(struct msdc_host*host, struct mmc_command *cmd)
......@@ -1773,58 +1773,58 @@ static int msdc_tune_cmdrsp(struct msdc_host*host, struct mmc_command *cmd)
u32 rsmpl, cur_rsmpl, orig_rsmpl;
u32 rrdly, cur_rrdly = 0xffffffff, orig_rrdly;
u32 skip = 1;
/* ==== don't support 3.0 now ====
1: R_SMPL[1]
2: PAD_CMD_RESP_RXDLY[26:22]
1: R_SMPL[1]
2: PAD_CMD_RESP_RXDLY[26:22]
==========================*/
// save the previous tune result
// save the previous tune result
sdr_get_field(MSDC_IOCON, MSDC_IOCON_RSPL, orig_rsmpl);
sdr_get_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, orig_rrdly);
rrdly = 0;
rrdly = 0;
do {
for (rsmpl = 0; rsmpl < 2; rsmpl++) {
/* Lv1: R_SMPL[1] */
cur_rsmpl = (orig_rsmpl + rsmpl) % 2;
/* Lv1: R_SMPL[1] */
cur_rsmpl = (orig_rsmpl + rsmpl) % 2;
if (skip == 1) {
skip = 0;
continue;
skip = 0;
continue;
}
sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, cur_rsmpl);
sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, cur_rsmpl);
if (host->app_cmd) {
result = msdc_app_cmd(host->mmc, host);
result = msdc_app_cmd(host->mmc, host);
if (result) {
ERR_MSG("TUNE_CMD app_cmd<%d> failed: RESP_RXDLY<%d>,R_SMPL<%d>",
ERR_MSG("TUNE_CMD app_cmd<%d> failed: RESP_RXDLY<%d>,R_SMPL<%d>",
host->mrq->cmd->opcode, cur_rrdly, cur_rsmpl);
continue;
}
}
result = msdc_do_command(host, cmd, 0, CMD_TIMEOUT); // not tune.
}
}
result = msdc_do_command(host, cmd, 0, CMD_TIMEOUT); // not tune.
ERR_MSG("TUNE_CMD<%d> %s PAD_CMD_RESP_RXDLY[26:22]<%d> R_SMPL[1]<%d>", cmd->opcode,
(result == 0) ? "PASS" : "FAIL", cur_rrdly, cur_rsmpl);
if (result == 0) {
return 0;
}
if (result != (unsigned int)(-EIO)) {
ERR_MSG("TUNE_CMD<%d> Error<%d> not -EIO", cmd->opcode, result);
return result;
return 0;
}
if (result != (unsigned int)(-EIO)) {
ERR_MSG("TUNE_CMD<%d> Error<%d> not -EIO", cmd->opcode, result);
return result;
}
/* should be EIO */
if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */
if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */
msdc_abort_data(host);
}
}
/* Lv2: PAD_CMD_RESP_RXDLY[26:22] */
/* Lv2: PAD_CMD_RESP_RXDLY[26:22] */
cur_rrdly = (orig_rrdly + rrdly + 1) % 32;
sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, cur_rrdly);
sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, cur_rrdly);
}while (++rrdly < 32);
return result;
}
......@@ -1833,7 +1833,7 @@ static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
{
struct msdc_host *host = mmc_priv(mmc);
u32 base = host->base;
u32 ddr=0;
u32 ddr=0;
u32 dcrc=0;
u32 rxdly, cur_rxdly0, cur_rxdly1;
u32 dsmpl, cur_dsmpl, orig_dsmpl;
......@@ -1845,29 +1845,29 @@ static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
u32 skip = 1;
sdr_get_field(MSDC_IOCON, MSDC_IOCON_DSPL, orig_dsmpl);
/* Tune Method 2. */
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DDLSEL, 1);
rxdly = 0;
rxdly = 0;
do {
for (dsmpl = 0; dsmpl < 2; dsmpl++) {
cur_dsmpl = (orig_dsmpl + dsmpl) % 2;
if (skip == 1) {
skip = 0;
continue;
}
skip = 0;
continue;
}
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, cur_dsmpl);
if (host->app_cmd) {
result = msdc_app_cmd(host->mmc, host);
result = msdc_app_cmd(host->mmc, host);
if (result) {
ERR_MSG("TUNE_BREAD app_cmd<%d> failed", host->mrq->cmd->opcode);
ERR_MSG("TUNE_BREAD app_cmd<%d> failed", host->mrq->cmd->opcode);
continue;
}
}
}
}
result = msdc_do_request(mmc,mrq);
sdr_get_field(SDC_DCRC_STS, SDC_DCRC_STS_POS|SDC_DCRC_STS_NEG, dcrc); /* RO */
if (!ddr) dcrc &= ~SDC_DCRC_STS_NEG;
ERR_MSG("TUNE_BREAD<%s> dcrc<0x%x> DATRDDLY0/1<0x%x><0x%x> dsmpl<0x%x>",
......@@ -1880,12 +1880,12 @@ static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
} else {
/* there is a case: command timeout, and data phase not processed */
if (mrq->data->error != 0 && mrq->data->error != (unsigned int)(-EIO)) {
ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>",
result, mrq->cmd->error, mrq->data->error);
goto done;
ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>",
result, mrq->cmd->error, mrq->data->error);
goto done;
}
}
}
}
cur_rxdly0 = sdr_read32(MSDC_DAT_RDDLY0);
cur_rxdly1 = sdr_read32(MSDC_DAT_RDDLY1);
......@@ -1900,7 +1900,7 @@ static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
orig_dat5 = (cur_rxdly1 >> 16) & 0x1F;
orig_dat6 = (cur_rxdly1 >> 8) & 0x1F;
orig_dat7 = (cur_rxdly1 >> 0) & 0x1F;
} else {
} else {
orig_dat0 = (cur_rxdly0 >> 0) & 0x1F;
orig_dat1 = (cur_rxdly0 >> 8) & 0x1F;
orig_dat2 = (cur_rxdly0 >> 16) & 0x1F;
......@@ -1910,7 +1910,7 @@ static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
orig_dat6 = (cur_rxdly1 >> 16) & 0x1F;
orig_dat7 = (cur_rxdly1 >> 24) & 0x1F;
}
if (ddr) {
cur_dat0 = (dcrc & (1 << 0) || dcrc & (1 << 8)) ? ((orig_dat0 + 1) % 32) : orig_dat0;
cur_dat1 = (dcrc & (1 << 1) || dcrc & (1 << 9)) ? ((orig_dat1 + 1) % 32) : orig_dat1;
......@@ -1933,8 +1933,8 @@ static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0);
sdr_write32(MSDC_DAT_RDDLY1, cur_rxdly1);
} while (++rxdly < 32);
} while (++rxdly < 32);
done:
return result;
}
......@@ -1952,15 +1952,15 @@ static int msdc_tune_bwrite(struct mmc_host *mmc,struct mmc_request *mrq)
int result = -1;
u32 skip = 1;
// MSDC_IOCON_DDR50CKD need to check. [Fix me]
// MSDC_IOCON_DDR50CKD need to check. [Fix me]
sdr_get_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, orig_wrrdly);
sdr_get_field(MSDC_IOCON, MSDC_IOCON_DSPL, orig_dsmpl );
/* Tune Method 2. just DAT0 */
/* Tune Method 2. just DAT0 */
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DDLSEL, 1);
cur_rxdly0 = sdr_read32(MSDC_DAT_RDDLY0);
/* E1 ECO. YD: Reverse */
if (sdr_read32(MSDC_ECO_VER) >= 4) {
orig_dat0 = (cur_rxdly0 >> 24) & 0x1F;
......@@ -1977,52 +1977,52 @@ static int msdc_tune_bwrite(struct mmc_host *mmc,struct mmc_request *mrq)
rxdly = 0;
do {
wrrdly = 0;
do {
do {
for (dsmpl = 0; dsmpl < 2; dsmpl++) {
cur_dsmpl = (orig_dsmpl + dsmpl) % 2;
if (skip == 1) {
skip = 0;
continue;
}
continue;
}
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, cur_dsmpl);
if (host->app_cmd) {
result = msdc_app_cmd(host->mmc, host);
result = msdc_app_cmd(host->mmc, host);
if (result) {
ERR_MSG("TUNE_BWRITE app_cmd<%d> failed", host->mrq->cmd->opcode);
ERR_MSG("TUNE_BWRITE app_cmd<%d> failed", host->mrq->cmd->opcode);
continue;
}
}
}
}
result = msdc_do_request(mmc,mrq);
ERR_MSG("TUNE_BWRITE<%s> DSPL<%d> DATWRDLY<%d> MSDC_DAT_RDDLY0<0x%x>",
result == 0 ? "PASS" : "FAIL",
ERR_MSG("TUNE_BWRITE<%s> DSPL<%d> DATWRDLY<%d> MSDC_DAT_RDDLY0<0x%x>",
result == 0 ? "PASS" : "FAIL",
cur_dsmpl, cur_wrrdly, cur_rxdly0);
if (result == 0) {
goto done;
}
else {
/* there is a case: command timeout, and data phase not processed */
if (mrq->data->error != (unsigned int)(-EIO)) {
ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>",
result, mrq->cmd->error, mrq->data->error);
goto done;
ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>",
result, mrq->cmd->error, mrq->data->error);
goto done;
}
}
}
}
cur_wrrdly = (orig_wrrdly + wrrdly + 1) % 32;
sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, cur_wrrdly);
} while (++wrrdly < 32);
sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, cur_wrrdly);
} while (++wrrdly < 32);
cur_dat0 = (orig_dat0 + rxdly) % 32; /* only adjust bit-1 for crc */
cur_dat1 = orig_dat1;
cur_dat2 = orig_dat2;
cur_dat3 = orig_dat3;
cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0);
sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0);
} while (++rxdly < 32);
cur_dat3 = orig_dat3;
cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0);
sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0);
} while (++rxdly < 32);
done:
return result;
......@@ -2030,46 +2030,46 @@ static int msdc_tune_bwrite(struct mmc_host *mmc,struct mmc_request *mrq)
static int msdc_get_card_status(struct mmc_host *mmc, struct msdc_host *host, u32 *status)
{
struct mmc_command cmd;
struct mmc_command cmd;
struct mmc_request mrq;
u32 err;
u32 err;
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = MMC_SEND_STATUS;
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = MMC_SEND_STATUS;
if (mmc->card) {
cmd.arg = mmc->card->rca << 16;
} else {
ERR_MSG("cmd13 mmc card is null");
cmd.arg = host->app_cmd_arg;
ERR_MSG("cmd13 mmc card is null");
cmd.arg = host->app_cmd_arg;
}
cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC;
memset(&mrq, 0, sizeof(struct mmc_request));
mrq.cmd = &cmd; cmd.mrq = &mrq;
cmd.data = NULL;
cmd.data = NULL;
err = msdc_do_command(host, &cmd, 1, CMD_TIMEOUT);
err = msdc_do_command(host, &cmd, 1, CMD_TIMEOUT);
if (status) {
*status = cmd.resp[0];
}
return err;
}
return err;
}
static int msdc_check_busy(struct mmc_host *mmc, struct msdc_host *host)
{
u32 err = 0;
u32 err = 0;
u32 status = 0;
do {
err = msdc_get_card_status(mmc, host, &status);
if (err) return err;
/* need cmd12? */
/* need cmd12? */
ERR_MSG("cmd<13> resp<0x%x>", status);
} while (R1_CURRENT_STATE(status) == 7);
return err;
} while (R1_CURRENT_STATE(status) == 7);
return err;
}
/* failed when msdc_do_request */
......@@ -2079,26 +2079,26 @@ static int msdc_tune_request(struct mmc_host *mmc, struct mmc_request *mrq)
struct mmc_command *cmd;
struct mmc_data *data;
//u32 base = host->base;
int ret=0, read;
int ret=0, read;
cmd = mrq->cmd;
data = mrq->cmd->data;
read = data->flags & MMC_DATA_READ ? 1 : 0;
if (read) {
if (data->error == (unsigned int)(-EIO)) {
ret = msdc_tune_bread(mmc,mrq);
if (data->error == (unsigned int)(-EIO)) {
ret = msdc_tune_bread(mmc,mrq);
}
} else {
ret = msdc_check_busy(mmc, host);
ret = msdc_check_busy(mmc, host);
if (ret){
ERR_MSG("XXX cmd13 wait program done failed");
return ret;
}
/* CRC and TO */
/* CRC and TO */
/* Fix me: don't care card status? */
ret = msdc_tune_bwrite(mmc,mrq);
ret = msdc_tune_bwrite(mmc,mrq);
}
return ret;
......@@ -2106,25 +2106,25 @@ static int msdc_tune_request(struct mmc_host *mmc, struct mmc_request *mrq)
/* ops.request */
static void msdc_ops_request(struct mmc_host *mmc,struct mmc_request *mrq)
{
{
struct msdc_host *host = mmc_priv(mmc);
//=== for sdio profile ===
#if 0 /* --- by chhung */
u32 old_H32, old_L32, new_H32, new_L32;
u32 ticks = 0, opcode = 0, sizes = 0, bRx = 0;
u32 ticks = 0, opcode = 0, sizes = 0, bRx = 0;
#endif /* end of --- */
if(host->mrq){
ERR_MSG("XXX host->mrq<0x%.8x>", (int)host->mrq);
BUG();
}
ERR_MSG("XXX host->mrq<0x%.8x>", (int)host->mrq);
BUG();
}
if (!is_card_present(host) || host->power_mode == MMC_POWER_OFF) {
ERR_MSG("cmd<%d> card<%d> power<%d>", mrq->cmd->opcode, is_card_present(host), host->power_mode);
mrq->cmd->error = (unsigned int)-ENOMEDIUM;
#if 1
mrq->cmd->error = (unsigned int)-ENOMEDIUM;
#if 1
mrq->done(mrq); // call done directly.
#else
mrq->cmd->retries = 0; // please don't retry.
......@@ -2133,61 +2133,61 @@ static void msdc_ops_request(struct mmc_host *mmc,struct mmc_request *mrq)
return;
}
/* start to process */
spin_lock(&host->lock);
spin_lock(&host->lock);
#if 0 /* --- by chhung */
if (sdio_pro_enable) { //=== for sdio profile ===
if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) {
GPT_GetCounter64(&old_L32, &old_H32);
if (sdio_pro_enable) { //=== for sdio profile ===
if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) {
GPT_GetCounter64(&old_L32, &old_H32);
}
}
#endif /* end of --- */
host->mrq = mrq;
if (msdc_do_request(mmc,mrq)) {
host->mrq = mrq;
if (msdc_do_request(mmc,mrq)) {
if(host->hw->flags & MSDC_REMOVABLE && ralink_soc == MT762X_SOC_MT7621AT && mrq->data && mrq->data->error) {
msdc_tune_request(mmc,mrq);
}
msdc_tune_request(mmc,mrq);
}
}
/* ==== when request done, check if app_cmd ==== */
if (mrq->cmd->opcode == MMC_APP_CMD) {
host->app_cmd = 1;
host->app_cmd = 1;
host->app_cmd_arg = mrq->cmd->arg; /* save the RCA */
} else {
host->app_cmd = 0;
//host->app_cmd_arg = 0;
host->app_cmd = 0;
//host->app_cmd_arg = 0;
}
host->mrq = NULL;
host->mrq = NULL;
#if 0 /* --- by chhung */
//=== for sdio profile ===
if (sdio_pro_enable) {
if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) {
if (sdio_pro_enable) {
if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) {
GPT_GetCounter64(&new_L32, &new_H32);
ticks = msdc_time_calc(old_L32, old_H32, new_L32, new_H32);
opcode = mrq->cmd->opcode;
opcode = mrq->cmd->opcode;
if (mrq->cmd->data) {
sizes = mrq->cmd->data->blocks * mrq->cmd->data->blksz;
sizes = mrq->cmd->data->blocks * mrq->cmd->data->blksz;
bRx = mrq->cmd->data->flags & MMC_DATA_READ ? 1 : 0 ;
} else {
bRx = mrq->cmd->arg & 0x80000000 ? 1 : 0;
bRx = mrq->cmd->arg & 0x80000000 ? 1 : 0;
}
if (!mrq->cmd->error) {
msdc_performance(opcode, sizes, bRx, ticks);
}
}
}
}
}
#endif /* end of --- */
spin_unlock(&host->lock);
mmc_request_done(mmc, mrq);
return;
}
......@@ -2196,9 +2196,9 @@ static void msdc_set_buswidth(struct msdc_host *host, u32 width)
{
u32 base = host->base;
u32 val = sdr_read32(SDC_CFG);
val &= ~SDC_CFG_BUSWIDTH;
switch (width) {
default:
case MMC_BUS_WIDTH_1:
......@@ -2212,7 +2212,7 @@ static void msdc_set_buswidth(struct msdc_host *host, u32 width)
val |= (MSDC_BUS_8BITS << 16);
break;
}
sdr_write32(SDC_CFG, val);
N_MSG(CFG, "Bus Width = %d", width);
......@@ -2231,7 +2231,7 @@ static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
"1.50v", "1.55v", "1.60v", "1.65v", "1.70v", "1.80v", "1.90v",
"2.00v", "2.10v", "2.20v", "2.30v", "2.40v", "2.50v", "2.60v",
"2.70v", "2.80v", "2.90v", "3.00v", "3.10v", "3.20v", "3.30v",
"3.40v", "3.50v", "3.60v"
"3.40v", "3.50v", "3.60v"
};
static char *power_mode[] = {
"OFF", "UP", "ON"
......@@ -2250,7 +2250,7 @@ static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
#endif
msdc_set_buswidth(host, ios->bus_width);
/* Power control ??? */
switch (ios->power_mode) {
case MMC_POWER_OFF:
......@@ -2266,9 +2266,9 @@ static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
/* Clock control */
if (host->mclk != ios->clock) {
if(ios->clock > 25000000) {
//if (!(host->hw->flags & MSDC_REMOVABLE)) {
INIT_MSG("SD data latch edge<%d>", hw->data_edge);
if(ios->clock > 25000000) {
//if (!(host->hw->flags & MSDC_REMOVABLE)) {
INIT_MSG("SD data latch edge<%d>", hw->data_edge);
sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, hw->cmd_edge);
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, hw->data_edge);
//} /* for tuning debug */
......@@ -2276,7 +2276,7 @@ static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
sdr_write32(MSDC_IOCON, 0x00000000);
// sdr_write32(MSDC_DAT_RDDLY0, 0x00000000);
sdr_write32(MSDC_DAT_RDDLY0, 0x10101010); // for MT7620 E2 and afterward
sdr_write32(MSDC_DAT_RDDLY1, 0x00000000);
sdr_write32(MSDC_DAT_RDDLY1, 0x00000000);
// sdr_write32(MSDC_PAD_TUNE, 0x00000000);
sdr_write32(MSDC_PAD_TUNE, 0x84101010); // for MT7620 E2 and afterward
}
......@@ -2304,36 +2304,36 @@ static int msdc_ops_get_ro(struct mmc_host *mmc)
static int msdc_ops_get_cd(struct mmc_host *mmc)
{
struct msdc_host *host = mmc_priv(mmc);
u32 base = host->base;
u32 base = host->base;
unsigned long flags;
int present = 1;
/* for sdio, MSDC_REMOVABLE not set, always return 1 */
if (!(host->hw->flags & MSDC_REMOVABLE)) {
/* For sdio, read H/W always get<1>, but may timeout some times */
/* For sdio, read H/W always get<1>, but may timeout some times */
#if 1
host->card_inserted = 1;
host->card_inserted = 1;
return 1;
#else
host->card_inserted = (host->pm_state.event == PM_EVENT_USER_RESUME) ? 1 : 0;
host->card_inserted = (host->pm_state.event == PM_EVENT_USER_RESUME) ? 1 : 0;
INIT_MSG("sdio ops_get_cd<%d>", host->card_inserted);
return host->card_inserted;
return host->card_inserted;
#endif
}
/* MSDC_CD_PIN_EN set for card */
if (host->hw->flags & MSDC_CD_PIN_EN) {
spin_lock_irqsave(&host->lock, flags);
#if 0
#if 0
present = host->card_inserted; /* why not read from H/W: Fix me*/
#else
// CD
if (cd_active_low)
present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1;
present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1;
else
present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 1 : 0;
host->card_inserted = present;
#endif
present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 1 : 0;
host->card_inserted = present;
#endif
spin_unlock_irqrestore(&host->lock, flags);
} else {
present = 0; /* TODO? Check DAT3 pins for card detection */
......@@ -2357,16 +2357,16 @@ static void msdc_ops_enable_sdio_irq(struct mmc_host *mmc, int enable)
} else {
hw->disable_sdio_eirq(); /* combo_sdio_disable_eirq */
}
} else {
ERR_MSG("XXX "); /* so never enter here */
} else {
ERR_MSG("XXX "); /* so never enter here */
tmp = sdr_read32(SDC_CFG);
/* FIXME. Need to interrupt gap detection */
if (enable) {
tmp |= (SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP);
tmp |= (SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP);
} else {
tmp &= ~(SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP);
}
sdr_write32(SDC_CFG, tmp);
sdr_write32(SDC_CFG, tmp);
}
}
......@@ -2387,23 +2387,23 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
struct mmc_data *data = host->data;
struct mmc_command *cmd = host->cmd;
u32 base = host->base;
u32 cmdsts = MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | MSDC_INT_CMDRDY |
MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | MSDC_INT_ACMDRDY |
MSDC_INT_ACMD19_DONE;
MSDC_INT_ACMD19_DONE;
u32 datsts = MSDC_INT_DATCRCERR |MSDC_INT_DATTMO;
u32 intsts = sdr_read32(MSDC_INT);
u32 inten = sdr_read32(MSDC_INTEN); inten &= intsts;
u32 inten = sdr_read32(MSDC_INTEN); inten &= intsts;
sdr_write32(MSDC_INT, intsts); /* clear interrupts */
/* MSG will cause fatal error */
/* card change interrupt */
if (intsts & MSDC_INT_CDSC){
if (mtk_sw_poll)
return IRQ_HANDLED;
IRQ_MSG("MSDC_INT_CDSC irq<0x%.8x>", intsts);
IRQ_MSG("MSDC_INT_CDSC irq<0x%.8x>", intsts);
#if 0 /* ---/+++ by chhung: fix slot mechanical bounce issue */
tasklet_hi_schedule(&host->card_tasklet);
#else
......@@ -2411,7 +2411,7 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
#endif
/* tuning when plug card ? */
}
/* sdio interrupt */
if (intsts & MSDC_INT_SDIOIRQ){
IRQ_MSG("XXX MSDC_INT_SDIOIRQ"); /* seems not sdio irq */
......@@ -2420,28 +2420,28 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
/* transfer complete interrupt */
if (data != NULL) {
if (inten & MSDC_INT_XFER_COMPL) {
if (inten & MSDC_INT_XFER_COMPL) {
data->bytes_xfered = host->dma.xfersz;
complete(&host->xfer_done);
}
if (intsts & datsts) {
complete(&host->xfer_done);
}
if (intsts & datsts) {
/* do basic reset, or stop command will sdc_busy */
msdc_reset();
msdc_clr_fifo();
msdc_clr_int();
msdc_clr_fifo();
msdc_clr_int();
atomic_set(&host->abort, 1); /* For PIO mode exit */
if (intsts & MSDC_INT_DATTMO){
IRQ_MSG("XXX CMD<%d> MSDC_INT_DATTMO", host->mrq->cmd->opcode);
data->error = (unsigned int)-ETIMEDOUT;
IRQ_MSG("XXX CMD<%d> MSDC_INT_DATTMO", host->mrq->cmd->opcode);
data->error = (unsigned int)-ETIMEDOUT;
}
else if (intsts & MSDC_INT_DATCRCERR){
IRQ_MSG("XXX CMD<%d> MSDC_INT_DATCRCERR, SDC_DCRC_STS<0x%x>", host->mrq->cmd->opcode, sdr_read32(SDC_DCRC_STS));
data->error = (unsigned int)-EIO;
}
//if(sdr_read32(MSDC_INTEN) & MSDC_INT_XFER_COMPL) {
//if(sdr_read32(MSDC_INTEN) & MSDC_INT_XFER_COMPL) {
if (host->dma_xfer) {
complete(&host->xfer_done); /* Read CRC come fast, XFER_COMPL not enabled */
} /* PIO mode can't do complete, because not init */
......@@ -2450,10 +2450,10 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
/* command interrupts */
if ((cmd != NULL) && (intsts & cmdsts)) {
if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) ||
if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) ||
(intsts & MSDC_INT_ACMD19_DONE)) {
u32 *rsp = &cmd->resp[0];
switch (host->cmd_rsp) {
case RESP_NONE:
break;
......@@ -2465,14 +2465,14 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
if ((intsts & MSDC_INT_ACMDRDY) || (intsts & MSDC_INT_ACMD19_DONE)) {
*rsp = sdr_read32(SDC_ACMD_RESP);
} else {
*rsp = sdr_read32(SDC_RESP0);
*rsp = sdr_read32(SDC_RESP0);
}
break;
}
} else if ((intsts & MSDC_INT_RSPCRCERR) || (intsts & MSDC_INT_ACMDCRCERR)) {
if(intsts & MSDC_INT_ACMDCRCERR){
IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDCRCERR",cmd->opcode);
}
}
else {
IRQ_MSG("XXX CMD<%d> MSDC_INT_RSPCRCERR",cmd->opcode);
}
......@@ -2486,21 +2486,21 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
}
cmd->error = (unsigned int)-ETIMEDOUT;
msdc_reset();
msdc_clr_fifo();
msdc_clr_int();
msdc_clr_fifo();
msdc_clr_int();
}
complete(&host->cmd_done);
}
/* mmc irq interrupts */
if (intsts & MSDC_INT_MMCIRQ) {
printk(KERN_INFO "msdc[%d] MMCIRQ: SDC_CSTS=0x%.8x\r\n", host->id, sdr_read32(SDC_CSTS));
printk(KERN_INFO "msdc[%d] MMCIRQ: SDC_CSTS=0x%.8x\r\n", host->id, sdr_read32(SDC_CSTS));
}
#ifdef MT6575_SD_DEBUG
{
/* msdc_int_reg *int_reg = (msdc_int_reg*)&intsts;*/
N_MSG(INT, "IRQ_EVT(0x%x): MMCIRQ(%d) CDSC(%d), ACRDY(%d), ACTMO(%d), ACCRE(%d) AC19DN(%d)",
N_MSG(INT, "IRQ_EVT(0x%x): MMCIRQ(%d) CDSC(%d), ACRDY(%d), ACTMO(%d), ACCRE(%d) AC19DN(%d)",
intsts,
int_reg->mmcirq,
int_reg->cdsc,
......@@ -2508,14 +2508,14 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
int_reg->atocmdtmo,
int_reg->atocmdcrc,
int_reg->atocmd19done);
N_MSG(INT, "IRQ_EVT(0x%x): SDIO(%d) CMDRDY(%d), CMDTMO(%d), RSPCRC(%d), CSTA(%d)",
N_MSG(INT, "IRQ_EVT(0x%x): SDIO(%d) CMDRDY(%d), CMDTMO(%d), RSPCRC(%d), CSTA(%d)",
intsts,
int_reg->sdioirq,
int_reg->cmdrdy,
int_reg->cmdtmo,
int_reg->rspcrc,
int_reg->csta);
N_MSG(INT, "IRQ_EVT(0x%x): XFCMP(%d) DXDONE(%d), DATTMO(%d), DATCRC(%d), DMAEMP(%d)",
N_MSG(INT, "IRQ_EVT(0x%x): XFCMP(%d) DXDONE(%d), DATTMO(%d), DATCRC(%d), DMAEMP(%d)",
intsts,
int_reg->xfercomp,
int_reg->dxferdone,
......@@ -2525,7 +2525,7 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
}
#endif
return IRQ_HANDLED;
}
......@@ -2542,7 +2542,7 @@ static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
if ((hw->flags & MSDC_CD_PIN_EN) == 0) {
/* Pull down card detection pin since it is not avaiable */
/*
if (hw->config_gpio_pin)
if (hw->config_gpio_pin)
hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN);
*/
sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN);
......@@ -2557,8 +2557,8 @@ static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
if (hw->enable_cd_eirq) { /* not set, never enter */
hw->enable_cd_eirq();
} else {
/* card detection circuit relies on the core power so that the core power
* shouldn't be turned off. Here adds a reference count to keep
/* card detection circuit relies on the core power so that the core power
* shouldn't be turned off. Here adds a reference count to keep
* the core power alive.
*/
//msdc_vcore_on(host); //did in msdc_init_hw()
......@@ -2582,7 +2582,7 @@ static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN);
sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC);
/* Here decreases a reference count to core power since card
/* Here decreases a reference count to core power since card
* detection circuit is shutdown.
*/
//msdc_vcore_off(host);
......@@ -2596,7 +2596,7 @@ static void msdc_init_hw(struct msdc_host *host)
u32 base = host->base;
struct msdc_hw *hw = host->hw;
#ifdef MT6575_SD_DEBUG
#ifdef MT6575_SD_DEBUG
msdc_reg[host->id] = (struct msdc_regs *)host->base;
#endif
......@@ -2609,8 +2609,8 @@ static void msdc_init_hw(struct msdc_host *host)
msdc_vdd_on(host);
#endif /* end of --- */
/* Configure to MMC/SD mode */
sdr_set_field(MSDC_CFG, MSDC_CFG_MODE, MSDC_SDMMC);
sdr_set_field(MSDC_CFG, MSDC_CFG_MODE, MSDC_SDMMC);
/* Reset */
msdc_reset();
msdc_clr_fifo();
......@@ -2621,7 +2621,7 @@ static void msdc_init_hw(struct msdc_host *host)
/* Disable and clear all interrupts */
sdr_clr_bits(MSDC_INTEN, sdr_read32(MSDC_INTEN));
sdr_write32(MSDC_INT, sdr_read32(MSDC_INT));
#if 1
/* reset tuning parameter */
sdr_write32(MSDC_PAD_CTL0, 0x00090000);
......@@ -2637,18 +2637,18 @@ static void msdc_init_hw(struct msdc_host *host)
sdr_write32(MSDC_PATCH_BIT0, 0x003C000F); /* bit0 modified: Rx Data Clock Source: 1 -> 2.0*/
#endif
if (sdr_read32(MSDC_ECO_VER) >= 4) {
if (host->id == 1) {
sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_WRDAT_CRCS, 1);
if (sdr_read32(MSDC_ECO_VER) >= 4) {
if (host->id == 1) {
sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_WRDAT_CRCS, 1);
sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_CMD_RSP, 1);
/* internal clock: latch read data */
sdr_set_bits(MSDC_PATCH_BIT0, MSDC_PATCH_BIT_CKGEN_CK);
}
}
#endif
/* for safety, should clear SDC_CFG.SDIO_INT_DET_EN & set SDC_CFG.SDIO in
/* internal clock: latch read data */
sdr_set_bits(MSDC_PATCH_BIT0, MSDC_PATCH_BIT_CKGEN_CK);
}
}
#endif
/* for safety, should clear SDC_CFG.SDIO_INT_DET_EN & set SDC_CFG.SDIO in
pre-loader,uboot,kernel drivers. and SDC_CFG.SDIO_INT_DET_EN will be only
set when kernel driver wants to use SDIO bus interrupt */
/* Configure to enable SDIO mode. it's must otherwise sdio cmd5 failed */
......@@ -2670,7 +2670,7 @@ static void msdc_init_hw(struct msdc_host *host)
sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, hw->cmd_drv);
sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, hw->dat_drv);
sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, hw->dat_drv);
#else
#else
sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, 0);
sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, 0);
sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, 0);
......@@ -2709,29 +2709,29 @@ static void msdc_deinit_hw(struct msdc_host *host)
/* init gpd and bd list in msdc_drv_probe */
static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma)
{
gpd_t *gpd = dma->gpd;
bd_t *bd = dma->bd;
gpd_t *gpd = dma->gpd;
bd_t *bd = dma->bd;
bd_t *ptr, *prev;
/* we just support one gpd */
int bdlen = MAX_BD_PER_GPD;
/* we just support one gpd */
int bdlen = MAX_BD_PER_GPD;
/* init the 2 gpd */
memset(gpd, 0, sizeof(gpd_t) * 2);
//gpd->next = (void *)virt_to_phys(gpd + 1); /* pointer to a null gpd, bug! kmalloc <-> virt_to_phys */
//gpd->next = (void *)virt_to_phys(gpd + 1); /* pointer to a null gpd, bug! kmalloc <-> virt_to_phys */
//gpd->next = (dma->gpd_addr + 1); /* bug */
gpd->next = (void *)((u32)dma->gpd_addr + sizeof(gpd_t));
gpd->next = (void *)((u32)dma->gpd_addr + sizeof(gpd_t));
//gpd->intr = 0;
gpd->bdp = 1; /* hwo, cs, bd pointer */
//gpd->ptr = (void*)virt_to_phys(bd);
gpd->bdp = 1; /* hwo, cs, bd pointer */
//gpd->ptr = (void*)virt_to_phys(bd);
gpd->ptr = (void *)dma->bd_addr; /* physical address */
memset(bd, 0, sizeof(bd_t) * bdlen);
ptr = bd + bdlen - 1;
//ptr->eol = 1; /* 0 or 1 [Fix me]*/
//ptr->next = 0;
//ptr->next = 0;
while (ptr != bd) {
prev = ptr - 1;
prev->next = (void *)(dma->bd_addr + sizeof(bd_t) *(ptr - bd));
......@@ -2748,12 +2748,12 @@ static int msdc_drv_probe(struct platform_device *pdev)
struct msdc_host *host;
struct msdc_hw *hw;
int ret, irq;
pdev->dev.platform_data = &msdc0_hw;
if (of_property_read_bool(pdev->dev.of_node, "mtk,wp-en"))
msdc0_hw.flags |= MSDC_WP_PIN_EN;
/* Allocate MMC host for this device */
mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev);
if (!mmc) return -ENOMEM;
......@@ -2763,7 +2763,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
//BUG_ON((!hw) || (!mem) || (irq < 0)); /* --- by chhung */
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
return PTR_ERR(base);
......@@ -2773,8 +2773,8 @@ static int msdc_drv_probe(struct platform_device *pdev)
mmc->f_min = HOST_MIN_MCLK;
mmc->f_max = HOST_MAX_MCLK;
mmc->ocr_avail = MSDC_OCR_AVAIL;
/* For sd card: MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED,
/* For sd card: MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED,
For sdio : MSDC_EXT_SDIO_IRQ | MSDC_HIGHSPEED */
if (hw->flags & MSDC_HIGHSPEED) {
mmc->caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED;
......@@ -2802,7 +2802,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
#endif
mmc->max_seg_size = MAX_SGMT_SZ;
mmc->max_blk_size = HOST_MAX_BLKSZ;
mmc->max_req_size = MAX_REQ_SZ;
mmc->max_req_size = MAX_REQ_SZ;
mmc->max_blk_count = mmc->max_req_size;
host = mmc_priv(mmc);
......@@ -2812,7 +2812,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
if (host->id < 0 || host->id >= 4)
host->id = 0;
host->error = 0;
host->irq = irq;
host->irq = irq;
host->base = (unsigned long) base;
host->mclk = 0; /* mclk: the request clock of mmc sub-system */
host->hclk = hclks[hw->clk_src]; /* hclk: clock of clock source to msdc controller */
......@@ -2820,28 +2820,28 @@ static int msdc_drv_probe(struct platform_device *pdev)
host->pm_state = PMSG_RESUME;
host->suspend = 0;
host->core_clkon = 0;
host->card_clkon = 0;
host->card_clkon = 0;
host->core_power = 0;
host->power_mode = MMC_POWER_OFF;
// host->card_inserted = hw->flags & MSDC_REMOVABLE ? 0 : 1;
host->timeout_ns = 0;
host->timeout_clks = DEFAULT_DTOC * 65536;
host->mrq = NULL;
host->mrq = NULL;
//init_MUTEX(&host->sem); /* we don't need to support multiple threads access */
host->dma.used_gpd = 0;
host->dma.used_bd = 0;
mmc_dev(mmc)->dma_mask = NULL;
/* using dma_alloc_coherent*/ /* todo: using 1, for all 4 slots */
host->dma.gpd = dma_alloc_coherent(NULL, MAX_GPD_NUM * sizeof(gpd_t), &host->dma.gpd_addr, GFP_KERNEL);
host->dma.bd = dma_alloc_coherent(NULL, MAX_BD_NUM * sizeof(bd_t), &host->dma.bd_addr, GFP_KERNEL);
BUG_ON((!host->dma.gpd) || (!host->dma.bd));
host->dma.gpd = dma_alloc_coherent(NULL, MAX_GPD_NUM * sizeof(gpd_t), &host->dma.gpd_addr, GFP_KERNEL);
host->dma.bd = dma_alloc_coherent(NULL, MAX_BD_NUM * sizeof(bd_t), &host->dma.bd_addr, GFP_KERNEL);
BUG_ON((!host->dma.gpd) || (!host->dma.bd));
msdc_init_gpd_bd(host, &host->dma);
/*for emmc*/
msdc_6575_host[pdev->id] = host;
#if 0
tasklet_init(&host->card_tasklet, msdc_tasklet_card, (ulong)host);
#else
......@@ -2852,12 +2852,12 @@ static int msdc_drv_probe(struct platform_device *pdev)
if (ralink_soc == MT762X_SOC_MT7621AT)
ret = request_irq((unsigned int)irq, msdc_irq, 0, dev_name(&pdev->dev), host);
else
else
ret = request_irq((unsigned int)irq, msdc_irq, IRQF_TRIGGER_LOW, dev_name(&pdev->dev), host);
if (ret) goto release;
// mt65xx_irq_unmask(irq); /* --- by chhung */
if (hw->flags & MSDC_CD_PIN_EN) { /* not set for sdio */
if (hw->request_cd_eirq) { /* not set for MT6575 */
hw->request_cd_eirq(msdc_eirq_cd, (void*)host); /* msdc_eirq_cd will not be used! */
......@@ -2876,7 +2876,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
}
//mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* pm not controlled by system but by client. */ /* --- by chhung */
}
platform_set_drvdata(pdev, mmc);
ret = mmc_add_host(mmc);
......@@ -2887,7 +2887,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
msdc_enable_cd_irq(host, 1);
} else {
msdc_enable_cd_irq(host, 0);
}
}
return 0;
......@@ -2920,8 +2920,8 @@ static int msdc_drv_remove(struct platform_device *pdev)
mmc = platform_get_drvdata(pdev);
BUG_ON(!mmc);
host = mmc_priv(mmc);
host = mmc_priv(mmc);
BUG_ON(!host);
ERR_MSG("removed !!!");
......@@ -2961,7 +2961,7 @@ static int msdc_drv_suspend(struct platform_device *pdev, pm_message_t state)
if (mmc && state.event == PM_EVENT_SUSPEND && (host->hw->flags & MSDC_SYS_SUSPEND)) { /* will set for card */
msdc_pm(state, (void*)host);
}
return ret;
}
......@@ -2978,7 +2978,7 @@ static int msdc_drv_resume(struct platform_device *pdev)
}
/* This mean WIFI not controller by PM */
return ret;
}
#endif
......@@ -3026,7 +3026,7 @@ if (ralink_soc == MT762X_SOC_MT7620A || ralink_soc == MT762X_SOC_MT7621AT) {
reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<18);
//#if defined (CONFIG_RALINK_MT7620)
if (ralink_soc == MT762X_SOC_MT7620A)
reg |= 0x1<<18;
reg |= 0x1<<18;
//#endif
} else {
//#elif defined (CONFIG_RALINK_MT7628)
......
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