本文整理汇总了C++中rd_regl函数的典型用法代码示例。如果您正苦于以下问题:C++ rd_regl函数的具体用法?C++ rd_regl怎么用?C++ rd_regl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rd_regl函数的15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,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: s3c2410_serial_getsource
static int s3c2410_serial_getsource(struct uart_port *port,
struct s3c24xx_uart_clksrc *clk)
{
unsigned long ucon = rd_regl(port, S3C2410_UCON);
clk->divisor = 1;
clk->name = (ucon & S3C2410_UCON_UCLK) ? "uclk" : "pclk";
return 0;
}
示例2: sirfsoc_uart_console_putchar
static void sirfsoc_uart_console_putchar(struct uart_port *port, int ch)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
struct sirfsoc_fifo_status *ufifo_st = &sirfport->uart_reg->fifo_status;
while (rd_regl(port, ureg->sirfsoc_tx_fifo_status) &
ufifo_st->ff_full(port))
cpu_relax();
wr_regl(port, ureg->sirfsoc_tx_fifo_data, ch);
}
示例3: s3c24xx_serial_getchar
/* getchar routine in polling mode. Added to support KGDB */
static int s3c24xx_serial_getchar(struct uart_port *port)
{
unsigned long ufstat, utrstat;
unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
if (ufcon & S3C2410_UFCON_FIFOMODE) {
/* fifo mode - check ammount of data in fifo registers... */
do {
ufstat = rd_regl(port, S3C2410_UFSTAT);
} while (!(ufstat & S3C2410_UFSTAT_RXMASK));
/* blocked until there is data in the fifo */
} else {
/* non fifo mode - check just the rx buffer register */
do {
utrstat = rd_regl(port, S3C2410_UTRSTAT);
} while (!(utrstat & S3C2410_UTRSTAT_RXDR));
/* blocked until there is data in the RX register */
}
return (rd_regb(port, S3C2410_URXH));
}
示例4: sirfsoc_uart_set_mctrl
static void sirfsoc_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
unsigned int assert = mctrl & TIOCM_RTS;
unsigned int val = assert ? SIRFUART_AFC_CTRL_RX_THD : 0x0;
unsigned int current_val;
if (mctrl & TIOCM_LOOP) {
if (sirfport->uart_reg->uart_type == SIRF_REAL_UART)
wr_regl(port, ureg->sirfsoc_line_ctrl,
rd_regl(port, ureg->sirfsoc_line_ctrl) |
SIRFUART_LOOP_BACK);
else
wr_regl(port, ureg->sirfsoc_mode1,
rd_regl(port, ureg->sirfsoc_mode1) |
SIRFSOC_USP_LOOP_BACK_CTRL);
} else {
if (sirfport->uart_reg->uart_type == SIRF_REAL_UART)
wr_regl(port, ureg->sirfsoc_line_ctrl,
rd_regl(port, ureg->sirfsoc_line_ctrl) &
~SIRFUART_LOOP_BACK);
else
wr_regl(port, ureg->sirfsoc_mode1,
rd_regl(port, ureg->sirfsoc_mode1) &
~SIRFSOC_USP_LOOP_BACK_CTRL);
}
if (!sirfport->hw_flow_ctrl || !sirfport->ms_enabled)
return;
if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) {
current_val = rd_regl(port, ureg->sirfsoc_afc_ctrl) & ~0xFF;
val |= current_val;
wr_regl(port, ureg->sirfsoc_afc_ctrl, val);
} else {
if (!val)
gpio_set_value(sirfport->rts_gpio, 1);
else
gpio_set_value(sirfport->rts_gpio, 0);
}
}
示例5: sirfsoc_uart_start_next_rx_dma
/* submit rx dma task into dmaengine */
static void sirfsoc_uart_start_next_rx_dma(struct uart_port *port)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
int i;
sirfport->rx_io_count = 0;
wr_regl(port, ureg->sirfsoc_rx_dma_io_ctrl,
rd_regl(port, ureg->sirfsoc_rx_dma_io_ctrl) &
~SIRFUART_IO_MODE);
for (i = 0; i < SIRFSOC_RX_LOOP_BUF_CNT; i++)
sirfsoc_rx_submit_one_dma_desc(port, i);
sirfport->rx_completed = sirfport->rx_issued = 0;
if (!sirfport->is_atlas7)
wr_regl(port, ureg->sirfsoc_int_en_reg,
rd_regl(port, ureg->sirfsoc_int_en_reg) |
SIRFUART_RX_DMA_INT_EN(port, uint_en));
else
wr_regl(port, ureg->sirfsoc_int_en_reg,
SIRFUART_RX_DMA_INT_EN(port, uint_en));
}
示例6: sirfsoc_uart_set_mctrl
static void sirfsoc_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
unsigned int assert = mctrl & TIOCM_RTS;
unsigned int val = assert ? SIRFUART_AFC_CTRL_RX_THD : 0x0;
unsigned int current_val;
if (sirfport->hw_flow_ctrl) {
current_val = rd_regl(port, SIRFUART_AFC_CTRL) & ~0xFF;
val |= current_val;
wr_regl(port, SIRFUART_AFC_CTRL, val);
}
}
示例7: sirfsoc_uart_pio_rx_chars
static unsigned int
sirfsoc_uart_pio_rx_chars(struct uart_port *port, unsigned int max_rx_count)
{
unsigned int ch, rx_count = 0;
while (!(rd_regl(port, SIRFUART_RX_FIFO_STATUS) &
SIRFUART_FIFOEMPTY_MASK(port))) {
ch = rd_regl(port, SIRFUART_RX_FIFO_DATA) | SIRFUART_DUMMY_READ;
if (unlikely(uart_handle_sysrq_char(port, ch)))
continue;
uart_insert_char(port, 0, 0, ch, TTY_NORMAL);
rx_count++;
if (rx_count >= max_rx_count)
break;
}
port->icount.rx += rx_count;
tty_flip_buffer_push(&port->state->port);
return rx_count;
}
示例8: sirfsoc_uart_break_ctl
static void sirfsoc_uart_break_ctl(struct uart_port *port, int break_state)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) {
unsigned long ulcon = rd_regl(port, ureg->sirfsoc_line_ctrl);
if (break_state)
ulcon |= SIRFUART_SET_BREAK;
else
ulcon &= ~SIRFUART_SET_BREAK;
wr_regl(port, ureg->sirfsoc_line_ctrl, ulcon);
}
}
示例9: sirfsoc_uart_disable_ms
static void sirfsoc_uart_disable_ms(struct uart_port *port)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
if (!sirfport->hw_flow_ctrl)
return;
sirfport->ms_enabled = false;
if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) {
wr_regl(port, ureg->sirfsoc_afc_ctrl,
rd_regl(port, ureg->sirfsoc_afc_ctrl) & ~0x3FF);
if (!sirfport->is_atlas7)
wr_regl(port, ureg->sirfsoc_int_en_reg,
rd_regl(port, ureg->sirfsoc_int_en_reg)&
~uint_en->sirfsoc_cts_en);
else
wr_regl(port, SIRFUART_INT_EN_CLR,
uint_en->sirfsoc_cts_en);
} else
disable_irq(gpio_to_irq(sirfport->cts_gpio));
}
示例10: s3c2410_serial_setsource
static int s3c2410_serial_setsource(struct uart_port *port,
struct s3c24xx_uart_clksrc *clk)
{
unsigned long ucon = rd_regl(port, S3C2410_UCON);
if (strcmp(clk->name, "uclk") == 0)
ucon |= S3C2410_UCON_UCLK;
else
ucon &= ~S3C2410_UCON_UCLK;
wr_regl(port, S3C2410_UCON, ucon);
return 0;
}
示例11: sirfsoc_uart_start_tx
static void sirfsoc_uart_start_tx(struct uart_port *port)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
if (sirfport->tx_dma_chan)
sirfsoc_uart_tx_with_dma(sirfport);
else {
if (sirfport->uart_reg->uart_type == SIRF_USP_UART)
wr_regl(port, ureg->sirfsoc_tx_rx_en, rd_regl(port,
ureg->sirfsoc_tx_rx_en) | SIRFUART_TX_EN);
wr_regl(port, ureg->sirfsoc_tx_fifo_op, SIRFUART_FIFO_STOP);
sirfsoc_uart_pio_tx_chars(sirfport, port->fifosize);
wr_regl(port, ureg->sirfsoc_tx_fifo_op, SIRFUART_FIFO_START);
if (!sirfport->is_atlas7)
wr_regl(port, ureg->sirfsoc_int_en_reg,
rd_regl(port, ureg->sirfsoc_int_en_reg)|
uint_en->sirfsoc_txfifo_empty_en);
else
wr_regl(port, ureg->sirfsoc_int_en_reg,
uint_en->sirfsoc_txfifo_empty_en);
}
}
示例12: sirfsoc_uart_enable_ms
static void sirfsoc_uart_enable_ms(struct uart_port *port)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
if (!sirfport->hw_flow_ctrl)
return;
sirfport->ms_enabled = true;
if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) {
wr_regl(port, ureg->sirfsoc_afc_ctrl,
rd_regl(port, ureg->sirfsoc_afc_ctrl) |
SIRFUART_AFC_TX_EN | SIRFUART_AFC_RX_EN);
if (!sirfport->is_atlas7)
wr_regl(port, ureg->sirfsoc_int_en_reg,
rd_regl(port, ureg->sirfsoc_int_en_reg)
| uint_en->sirfsoc_cts_en);
else
wr_regl(port, ureg->sirfsoc_int_en_reg,
uint_en->sirfsoc_cts_en);
} else
enable_irq(gpio_to_irq(sirfport->cts_gpio));
}
示例13: s5pv210_serial_setsource
static int s5pv210_serial_setsource(struct uart_port *port,
struct s3c24xx_uart_clksrc *clk)
{
unsigned long ucon = rd_regl(port, S3C2410_UCON);
if (strcmp(clk->name, "pclk") == 0)
ucon &= ~S5PV210_UCON_CLKMASK;
else if (strcmp(clk->name, "uclk1") == 0)
ucon |= S5PV210_UCON_CLKMASK;
else {
printk(KERN_ERR "unknown clock source %s\n", clk->name);
return -EINVAL;
}
wr_regl(port, S3C2410_UCON, ucon);
return 0;
}
示例14: sirfsoc_uart_get_mctrl
static unsigned int sirfsoc_uart_get_mctrl(struct uart_port *port)
{
struct sirfsoc_uart_port *sirfport = to_sirfport(port);
if (!(sirfport->ms_enabled)) {
goto cts_asserted;
} else if (sirfport->hw_flow_ctrl) {
if (!(rd_regl(port, SIRFUART_AFC_CTRL) &
SIRFUART_CTS_IN_STATUS))
goto cts_asserted;
else
goto cts_deasserted;
}
cts_deasserted:
return TIOCM_CAR | TIOCM_DSR;
cts_asserted:
return TIOCM_CAR | TIOCM_DSR | TIOCM_CTS;
}
示例15: s5pv210_serial_getsource
static int s5pv210_serial_getsource(struct uart_port *port,
struct s3c24xx_uart_clksrc *clk)
{
u32 ucon = rd_regl(port, S3C2410_UCON);
clk->divisor = 1;
switch (ucon & S5PV210_UCON_CLKMASK) {
case S5PV210_UCON_PCLK:
clk->name = "pclk";
break;
case S5PV210_UCON_UCLK:
clk->name = "uclk1";
break;
}
return 0;
}