本文整理汇总了C++中IS_SMC函数的典型用法代码示例。如果您正苦于以下问题:C++ IS_SMC函数的具体用法?C++ IS_SMC怎么用?C++ IS_SMC使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了IS_SMC函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: cpm_uart_request_port
/*
* Initialize port. This is called from early_console stuff
* so we have to be careful here !
*/
static int cpm_uart_request_port(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
int ret;
pr_debug("CPM uart[%d]:request port\n", port->line);
if (pinfo->flags & FLAG_CONSOLE)
return 0;
if (IS_SMC(pinfo)) {
pinfo->smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
pinfo->smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
} else {
pinfo->sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
pinfo->sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
}
ret = cpm_uart_allocbuf(pinfo, 0);
if (ret)
return ret;
cpm_uart_initbd(pinfo);
if (IS_SMC(pinfo))
cpm_uart_init_smc(pinfo);
else
cpm_uart_init_scc(pinfo);
return 0;
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:35,代码来源:cpm_uart_core.c
示例2: cpm_uart_start_tx
/*
* Start transmitter
*/
static void cpm_uart_start_tx(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
volatile smc_t *smcp = pinfo->smcp;
volatile scc_t *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:start tx\n", port->line);
if (IS_SMC(pinfo)) {
if (smcp->smc_smcm & SMCM_TX)
return;
} else {
if (sccp->scc_sccm & UART_SCCM_TX)
return;
}
if (cpm_uart_tx_pump(port) != 0) {
if (IS_SMC(pinfo)) {
smcp->smc_smcm |= SMCM_TX;
smcp->smc_smcmr |= SMCMR_TEN;
} else {
sccp->scc_sccm |= UART_SCCM_TX;
pinfo->sccp->scc_gsmrl |= SCC_GSMRL_ENT;
}
}
}
开发者ID:ena30,项目名称:snake-os,代码行数:29,代码来源:cpm_uart_core.c
示例3: cpm_uart_startup
static int cpm_uart_startup(struct uart_port *port)
{
int retval;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
pr_debug("CPM uart[%d]:startup\n", port->line);
/* If the port is not the console, make sure rx is disabled. */
if (!(pinfo->flags & FLAG_CONSOLE)) {
/* Disable UART rx */
if (IS_SMC(pinfo)) {
clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN);
clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
} else {
clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR);
clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
}
cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
}
/* Install interrupt handler. */
retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
if (retval)
return retval;
/* Startup rx-int */
if (IS_SMC(pinfo)) {
setbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
setbits16(&pinfo->smcp->smc_smcmr, (SMCMR_REN | SMCMR_TEN));
} else {
setbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
}
return 0;
}
开发者ID:119-org,项目名称:hi3518-osdrv,代码行数:35,代码来源:cpm_uart_core.c
示例4: cpm_uart_console_setup
/*
* Setup console. Be careful is called early !
*/
static int __init cpm_uart_console_setup(struct console *co, char *options)
{
struct uart_port *port;
struct uart_cpm_port *pinfo;
int baud = 38400;
int bits = 8;
int parity = 'n';
int flow = 'n';
int ret;
port =
(struct uart_port *)&cpm_uart_ports[cpm_uart_port_map[co->index]];
pinfo = (struct uart_cpm_port *)port;
pinfo->flags |= FLAG_CONSOLE;
if (options) {
uart_parse_options(options, &baud, &parity, &bits, &flow);
} else {
bd_t *bd = (bd_t *) __res;
if (bd->bi_baudrate)
baud = bd->bi_baudrate;
else
baud = 9600;
}
/*
* Setup any port IO, connect any baud rate generators,
* etc. This is expected to be handled by board
* dependant code
*/
if (pinfo->set_lineif)
pinfo->set_lineif(pinfo);
if (IS_SMC(pinfo)) {
pinfo->smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
pinfo->smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
} else {
pinfo->sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
pinfo->sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
}
ret = cpm_uart_allocbuf(pinfo, 1);
if (ret)
return ret;
cpm_uart_initbd(pinfo);
if (IS_SMC(pinfo))
cpm_uart_init_smc(pinfo);
else
cpm_uart_init_scc(pinfo);
uart_set_options(port, co, baud, parity, bits, flow);
return 0;
}
开发者ID:ena30,项目名称:snake-os,代码行数:62,代码来源:cpm_uart_core.c
示例5: cpm_uart_int
/*
* Asynchron mode interrupt handler
*/
static irqreturn_t cpm_uart_int(int irq, void *data)
{
u8 events;
struct uart_port *port = data;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:IRQ\n", port->line);
if (IS_SMC(pinfo)) {
events = in_8(&smcp->smc_smce);
out_8(&smcp->smc_smce, events);
if (events & SMCM_BRKE)
uart_handle_break(port);
if (events & SMCM_RX)
cpm_uart_int_rx(port);
if (events & SMCM_TX)
cpm_uart_int_tx(port);
} else {
events = in_be16(&sccp->scc_scce);
out_be16(&sccp->scc_scce, events);
if (events & UART_SCCM_BRKE)
uart_handle_break(port);
if (events & UART_SCCM_RX)
cpm_uart_int_rx(port);
if (events & UART_SCCM_TX)
cpm_uart_int_tx(port);
}
return (events) ? IRQ_HANDLED : IRQ_NONE;
}
开发者ID:johnny,项目名称:CobraDroidBeta,代码行数:34,代码来源:cpm_uart_core.c
示例6: cpm_uart_int
/*
* Asynchron mode interrupt handler
*/
static irqreturn_t cpm_uart_int(int irq, void *data)
{
u8 events;
struct uart_port *port = (struct uart_port *)data;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
volatile smc_t *smcp = pinfo->smcp;
volatile scc_t *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:IRQ\n", port->line);
if (IS_SMC(pinfo)) {
events = smcp->smc_smce;
smcp->smc_smce = events;
if (events & SMCM_BRKE)
uart_handle_break(port);
if (events & SMCM_RX)
cpm_uart_int_rx(port);
if (events & SMCM_TX)
cpm_uart_int_tx(port);
} else {
events = sccp->scc_scce;
sccp->scc_scce = events;
if (events & UART_SCCM_BRKE)
uart_handle_break(port);
if (events & UART_SCCM_RX)
cpm_uart_int_rx(port);
if (events & UART_SCCM_TX)
cpm_uart_int_tx(port);
}
return (events) ? IRQ_HANDLED : IRQ_NONE;
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:34,代码来源:cpm_uart_core.c
示例7: cpm_uart_startup
static int cpm_uart_startup(struct uart_port *port)
{
int retval;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
int line = pinfo - cpm_uart_ports;
pr_debug("CPM uart[%d]:startup\n", port->line);
/* Install interrupt handler. */
retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
if (retval)
return retval;
/* Startup rx-int */
if (IS_SMC(pinfo)) {
pinfo->smcp->smc_smcm |= SMCM_RX;
pinfo->smcp->smc_smcmr |= (SMCMR_REN | SMCMR_TEN);
} else {
pinfo->sccp->scc_sccm |= UART_SCCM_RX;
pinfo->sccp->scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
}
if (!(pinfo->flags & FLAG_CONSOLE))
cpm_line_cr_cmd(line,CPM_CR_INIT_TRX);
return 0;
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:26,代码来源:cpm_uart_core.c
示例8: cpm_uart_request_port
/*
* Initialize port. This is called from early_console stuff
* so we have to be careful here !
*/
static int cpm_uart_request_port(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
int ret;
pr_debug("CPM uart[%d]:request port\n", port->line);
if (pinfo->flags & FLAG_CONSOLE)
return 0;
/*
* Setup any port IO, connect any baud rate generators,
* etc. This is expected to be handled by board
* dependant code
*/
if (pinfo->set_lineif)
pinfo->set_lineif(pinfo);
if (IS_SMC(pinfo)) {
pinfo->smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
pinfo->smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
} else {
pinfo->sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
pinfo->sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
}
ret = cpm_uart_allocbuf(pinfo, 0);
if (ret)
return ret;
cpm_uart_initbd(pinfo);
return 0;
}
开发者ID:earthGavinLee,项目名称:hg556a_source,代码行数:39,代码来源:cpm_uart_core.c
示例9: cpm_uart_shutdown
/*
* Shutdown the uart
*/
static void cpm_uart_shutdown(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
int line = pinfo - cpm_uart_ports;
pr_debug("CPM uart[%d]:shutdown\n", port->line);
/* free interrupt handler */
free_irq(port->irq, port);
/* If the port is not the console, disable Rx and Tx. */
if (!(pinfo->flags & FLAG_CONSOLE)) {
/* Stop uarts */
if (IS_SMC(pinfo)) {
volatile smc_t *smcp = pinfo->smcp;
smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
} else {
volatile scc_t *sccp = pinfo->sccp;
sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
}
/* Shut them really down and reinit buffer descriptors */
cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
cpm_uart_initbd(pinfo);
}
}
开发者ID:earthGavinLee,项目名称:hg556a_source,代码行数:31,代码来源:cpm_uart_core.c
示例10: cpm_uart_shutdown
/*
* Shutdown the uart
*/
static void cpm_uart_shutdown(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
pr_debug("CPM uart[%d]:shutdown\n", port->line);
/* free interrupt handler */
free_irq(port->irq, port);
/* If the port is not the console, disable Rx and Tx. */
if (!(pinfo->flags & FLAG_CONSOLE)) {
/* Wait for all the BDs marked sent */
while(!cpm_uart_tx_empty(port)) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(2);
}
if (pinfo->wait_closing)
cpm_uart_wait_until_send(pinfo);
/* Stop uarts */
if (IS_SMC(pinfo)) {
smc_t __iomem *smcp = pinfo->smcp;
clrbits16(&smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
clrbits8(&smcp->smc_smcm, SMCM_RX | SMCM_TX);
} else {
scc_t __iomem *sccp = pinfo->sccp;
clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
clrbits16(&sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
}
/* Shut them really down and reinit buffer descriptors */
if (IS_SMC(pinfo)) {
out_be16(&pinfo->smcup->smc_brkcr, 0);
cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
} else {
out_be16(&pinfo->sccup->scc_brkcr, 0);
cpm_line_cr_cmd(pinfo, CPM_CR_GRA_STOP_TX);
}
cpm_uart_initbd(pinfo);
}
}
开发者ID:johnny,项目名称:CobraDroidBeta,代码行数:46,代码来源:cpm_uart_core.c
示例11: if
void __iomem *cpm_uart_map_pram(struct uart_cpm_port *port,
struct device_node *np)
{
void __iomem *pram;
unsigned long offset;
struct resource res;
unsigned long len;
/* Don't remap parameter RAM if it has already been initialized
* during console setup.
*/
if (IS_SMC(port) && port->smcup)
return port->smcup;
else if (!IS_SMC(port) && port->sccup)
return port->sccup;
if (of_address_to_resource(np, 1, &res))
return NULL;
len = 1 + res.end - res.start;
pram = ioremap(res.start, len);
if (!pram)
return NULL;
if (!IS_SMC(port))
return pram;
if (len != 2) {
printk(KERN_WARNING "cpm_uart[%d]: device tree references "
"SMC pram, using boot loader/wrapper pram mapping. "
"Please fix your device tree to reference the pram "
"base register instead.\n",
port->port.line);
return pram;
}
offset = cpm_dpalloc(PROFF_SMC_SIZE, 64);
out_be16(pram, offset);
iounmap(pram);
return cpm_muram_addr(offset);
}
开发者ID:mikuhatsune001,项目名称:linux2.6.32,代码行数:41,代码来源:cpm_uart_cpm2.c
示例12: cpm_uart_stop_rx
/*
* Stop receiver
*/
static void cpm_uart_stop_rx(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:stop rx\n", port->line);
if (IS_SMC(pinfo))
clrbits8(&smcp->smc_smcm, SMCM_RX);
else
clrbits16(&sccp->scc_sccm, UART_SCCM_RX);
}
开发者ID:johnny,项目名称:CobraDroidBeta,代码行数:16,代码来源:cpm_uart_core.c
示例13: cpm_uart_stop_rx
/*
* Stop receiver
*/
static void cpm_uart_stop_rx(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
volatile smc_t *smcp = pinfo->smcp;
volatile scc_t *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:stop rx\n", port->line);
if (IS_SMC(pinfo))
smcp->smc_smcm &= ~SMCM_RX;
else
sccp->scc_sccm &= ~UART_SCCM_RX;
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:16,代码来源:cpm_uart_core.c
示例14: cpm_uart_start_tx
/*
* Start transmitter
*/
static void cpm_uart_start_tx(struct uart_port *port, unsigned int tty_start)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
volatile smc_t *smcp = pinfo->smcp;
volatile scc_t *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:start tx\n", port->line);
if (IS_SMC(pinfo)) {
if (smcp->smc_smcm & SMCM_TX)
return;
} else {
if (sccp->scc_sccm & UART_SCCM_TX)
return;
}
if (cpm_uart_tx_pump(port) != 0) {
if (IS_SMC(pinfo))
smcp->smc_smcm |= SMCM_TX;
else
sccp->scc_sccm |= UART_SCCM_TX;
}
}
开发者ID:earthGavinLee,项目名称:hg556a_source,代码行数:26,代码来源:cpm_uart_core.c
示例15: cpm_uart_start_tx
/*
* Start transmitter
*/
static void cpm_uart_start_tx(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
smc_t __iomem *smcp = pinfo->smcp;
scc_t __iomem *sccp = pinfo->sccp;
pr_debug("CPM uart[%d]:start tx\n", port->line);
if (IS_SMC(pinfo)) {
if (in_8(&smcp->smc_smcm) & SMCM_TX)
return;
} else {
if (in_be16(&sccp->scc_sccm) & UART_SCCM_TX)
return;
}
if (cpm_uart_tx_pump(port) != 0) {
if (IS_SMC(pinfo)) {
setbits8(&smcp->smc_smcm, SMCM_TX);
} else {
setbits16(&sccp->scc_sccm, UART_SCCM_TX);
}
}
}
开发者ID:johnny,项目名称:CobraDroidBeta,代码行数:27,代码来源:cpm_uart_core.c
示例16: cpm_uart_startup
static int cpm_uart_startup(struct uart_port *port)
{
int retval;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
pr_debug("CPM uart[%d]:startup\n", port->line);
/* Install interrupt handler. */
retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
if (retval)
return retval;
/* Startup rx-int */
if (IS_SMC(pinfo)) {
pinfo->smcp->smc_smcm |= SMCM_RX;
pinfo->smcp->smc_smcmr |= SMCMR_REN;
} else {
pinfo->sccp->scc_sccm |= UART_SCCM_RX;
}
return 0;
}
开发者ID:earthGavinLee,项目名称:hg556a_source,代码行数:22,代码来源:cpm_uart_core.c
示例17: cpm_uart_unmap_pram
void cpm_uart_unmap_pram(struct uart_cpm_port *port, void __iomem *pram)
{
if (!IS_SMC(port))
iounmap(pram);
}
开发者ID:mikuhatsune001,项目名称:linux2.6.32,代码行数:5,代码来源:cpm_uart_cpm2.c
示例18: utest
/* unconditional independence tests. */
SEXP utest(SEXP x, SEXP y, SEXP data, SEXP test, SEXP B, SEXP alpha,
SEXP learning) {
int ntests = length(x), nobs = 0;
double *pvalue = NULL, statistic = 0, df = NA_REAL;
const char *t = CHAR(STRING_ELT(test, 0));
test_e test_type = test_label(t);
SEXP xx, yy, result;
/* allocate the return value, which has the same length as x. */
PROTECT(result = allocVector(REALSXP, ntests));
setAttrib(result, R_NamesSymbol, x);
pvalue = REAL(result);
/* set all elements to zero. */
memset(pvalue, '\0', ntests * sizeof(double));
/* extract the variables from the data. */
PROTECT(xx = c_dataframe_column(data, x, FALSE, FALSE));
PROTECT(yy = c_dataframe_column(data, y, TRUE, FALSE));
nobs = length(yy);
if (IS_DISCRETE_ASYMPTOTIC_TEST(test_type)) {
/* parametric tests for discrete variables. */
statistic = ut_discrete(xx, yy, nobs, ntests, pvalue, &df, test_type);
}/*THEN*/
else if ((test_type == COR) || (test_type == ZF) || (test_type == MI_G) ||
(test_type == MI_G_SH)) {
/* parametric tests for Gaussian variables. */
statistic = ut_gaustests(xx, yy, nobs, ntests, pvalue, &df, test_type);
}/*THEN*/
else if (test_type == MI_CG) {
/* conditional linear Gaussian mutual information test. */
statistic = ut_micg(xx, yy, nobs, ntests, pvalue, &df);
}/*THEN*/
else if (IS_DISCRETE_PERMUTATION_TEST(test_type)) {
statistic = ut_dperm(xx, yy, nobs, ntests, pvalue, &df, test_type, INT(B),
IS_SMC(test_type) ? NUM(alpha) : 1);
}/*THEN*/
else if (IS_CONTINUOUS_PERMUTATION_TEST(test_type)) {
statistic = ut_gperm(xx, yy, nobs, ntests, pvalue, test_type, INT(B),
IS_SMC(test_type) ? NUM(alpha) : 1);
}/*THEN*/
UNPROTECT(3);
/* catch-all for unknown tests (after deallocating memory.) */
if (test_type == ENOTEST)
error("unknown test statistic '%s'.", t);
/* increase the test counter. */
test_counter += ntests;
if (isTRUE(learning))
return result;
else
return c_create_htest(statistic, test, pvalue[ntests - 1], df, B);
}/*UTEST*/
开发者ID:stochasticresearch,项目名称:bnlearn-r,代码行数:69,代码来源:utest.c
示例19: cpm_uart_set_termios
//.........这里部分代码省略.........
/* Character length programmed into the mode register is the
* sum of: 1 start bit, number of data bits, 0 or 1 parity bit,
* 1 or 2 stop bits, minus 1.
* The value 'bits' counts this for us.
*/
cval = 0;
scval = 0;
/* byte size */
switch (termios->c_cflag & CSIZE) {
case CS5:
bits = 5;
break;
case CS6:
bits = 6;
break;
case CS7:
bits = 7;
break;
case CS8:
bits = 8;
break;
/* Never happens, but GCC is too dumb to figure it out */
default:
bits = 8;
break;
}
sbits = bits - 5;
if (termios->c_cflag & CSTOPB) {
cval |= SMCMR_SL; /* Two stops */
scval |= SCU_PSMR_SL;
bits++;
}
if (termios->c_cflag & PARENB) {
cval |= SMCMR_PEN;
scval |= SCU_PSMR_PEN;
bits++;
if (!(termios->c_cflag & PARODD)) {
cval |= SMCMR_PM_EVEN;
scval |= (SCU_PSMR_REVP | SCU_PSMR_TEVP);
}
}
/*
* Set up parity check flag
*/
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
port->read_status_mask = (BD_SC_EMPTY | BD_SC_OV);
if (termios->c_iflag & INPCK)
port->read_status_mask |= BD_SC_FR | BD_SC_PR;
if ((termios->c_iflag & BRKINT) || (termios->c_iflag & PARMRK))
port->read_status_mask |= BD_SC_BR;
/*
* Characters to ignore
*/
port->ignore_status_mask = 0;
if (termios->c_iflag & IGNPAR)
port->ignore_status_mask |= BD_SC_PR | BD_SC_FR;
if (termios->c_iflag & IGNBRK) {
port->ignore_status_mask |= BD_SC_BR;
/*
* If we're ignore parity and break indicators, ignore
* overruns too. (For real raw support).
*/
if (termios->c_iflag & IGNPAR)
port->ignore_status_mask |= BD_SC_OV;
}
/*
* !!! ignore all characters if CREAD is not set
*/
if ((termios->c_cflag & CREAD) == 0)
port->read_status_mask &= ~BD_SC_EMPTY;
spin_lock_irqsave(&port->lock, flags);
/* Start bit has not been added (so don't, because we would just
* subtract it later), and we need to add one for the number of
* stops bits (there is always at least one).
*/
bits++;
if (IS_SMC(pinfo)) {
/* Set the mode register. We want to keep a copy of the
* enables, because we want to put them back if they were
* present.
*/
prev_mode = smcp->smc_smcmr;
smcp->smc_smcmr = smcr_mk_clen(bits) | cval | SMCMR_SM_UART;
smcp->smc_smcmr |= (prev_mode & (SMCMR_REN | SMCMR_TEN));
} else {
sccp->scc_psmr = (sbits << 12) | scval;
}
cpm_set_brg(pinfo->brg - 1, baud);
spin_unlock_irqrestore(&port->lock, flags);
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:101,代码来源:cpm_uart_core.c
示例20: cpm_uart_set_termios
//.........这里部分代码省略.........
break;
/* Never happens, but GCC is too dumb to figure it out */
default:
bits = 8;
break;
}
sbits = bits - 5;
if (termios->c_cflag & CSTOPB) {
cval |= SMCMR_SL; /* Two stops */
scval |= SCU_PSMR_SL;
bits++;
}
if (termios->c_cflag & PARENB) {
cval |= SMCMR_PEN;
scval |= SCU_PSMR_PEN;
bits++;
if (!(termios->c_cflag & PARODD)) {
cval |= SMCMR_PM_EVEN;
scval |= (SCU_PSMR_REVP | SCU_PSMR_TEVP);
}
}
/*
* Update the timeout
*/
uart_update_timeout(port, termios->c_cflag, baud);
/*
* Set up parity check flag
*/
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
port->read_status_mask = (BD_SC_EMPTY | BD_SC_OV);
if (termios->c_iflag & INPCK)
port->read_status_mask |= BD_SC_FR | BD_SC_PR;
if ((termios->c_iflag & BRKINT) || (termios->c_iflag & PARMRK))
port->read_status_mask |= BD_SC_BR;
/*
* Characters to ignore
*/
port->ignore_status_mask = 0;
if (termios->c_iflag & IGNPAR)
port->ignore_status_mask |= BD_SC_PR | BD_SC_FR;
if (termios->c_iflag & IGNBRK) {
port->ignore_status_mask |= BD_SC_BR;
/*
* If we're ignore parity and break indicators, ignore
* overruns too. (For real raw support).
*/
if (termios->c_iflag & IGNPAR)
port->ignore_status_mask |= BD_SC_OV;
}
/*
* !!! ignore all characters if CREAD is not set
*/
if ((termios->c_cflag & CREAD) == 0)
port->read_status_mask &= ~BD_SC_EMPTY;
spin_lock_irqsave(&port->lock, flags);
/* Start bit has not been added (so don't, because we would just
* subtract it later), and we need to add one for the number of
* stops bits (there is always at least one).
*/
bits++;
if (IS_SMC(pinfo)) {
/*
* MRBLR can be changed while an SMC/SCC is operating only
* if it is done in a single bus cycle with one 16-bit move
* (not two 8-bit bus cycles back-to-back). This occurs when
* the cp shifts control to the next RxBD, so the change does
* not take effect immediately. To guarantee the exact RxBD
* on which the change occurs, change MRBLR only while the
* SMC/SCC receiver is disabled.
*/
out_be16(&pinfo->smcup->smc_mrblr, pinfo->rx_fifosize);
/* Set the mode register. We want to keep a copy of the
* enables, because we want to put them back if they were
* present.
*/
prev_mode = in_be16(&smcp->smc_smcmr) & (SMCMR_REN | SMCMR_TEN);
/* Output in *one* operation, so we don't interrupt RX/TX if they
* were already enabled. */
out_be16(&smcp->smc_smcmr, smcr_mk_clen(bits) | cval |
SMCMR_SM_UART | prev_mode);
} else {
out_be16(&pinfo->sccup->scc_genscc.scc_mrblr, pinfo->rx_fifosize);
out_be16(&sccp->scc_psmr, (sbits << 12) | scval);
}
if (pinfo->clk)
clk_set_rate(pinfo->clk, baud);
else
cpm_set_brg(pinfo->brg - 1, baud);
spin_unlock_irqrestore(&port->lock, flags);
}
开发者ID:119-org,项目名称:hi3518-osdrv,代码行数:101,代码来源:cpm_uart_core.c
注:本文中的IS_SMC函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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