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path: root/drivers/staging/sb105x/sb_ser_core.h
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Diffstat (limited to 'drivers/staging/sb105x/sb_ser_core.h')
-rw-r--r--drivers/staging/sb105x/sb_ser_core.h368
1 files changed, 0 insertions, 368 deletions
diff --git a/drivers/staging/sb105x/sb_ser_core.h b/drivers/staging/sb105x/sb_ser_core.h
deleted file mode 100644
index c8fb99173299..000000000000
--- a/drivers/staging/sb105x/sb_ser_core.h
+++ /dev/null
@@ -1,368 +0,0 @@
-#include <linux/wait.h>
-
-#define UART_CONFIG_TYPE (1 << 0)
-#define UART_CONFIG_IRQ (1 << 1)
-#define UPIO_PORT (0)
-#define UPIO_HUB6 (1)
-#define UPIO_MEM (2)
-#define UPIO_MEM32 (3)
-#define UPIO_AU (4) /* Au1x00 type IO */
-#define UPIO_TSI (5) /* Tsi108/109 type IO */
-#define UPF_FOURPORT (1 << 1)
-#define UPF_SAK (1 << 2)
-#define UPF_SPD_MASK (0x1030)
-#define UPF_SPD_HI (0x0010)
-#define UPF_SPD_VHI (0x0020)
-#define UPF_SPD_CUST (0x0030)
-#define UPF_SPD_SHI (0x1000)
-#define UPF_SPD_WARP (0x1010)
-#define UPF_SKIP_TEST (1 << 6)
-#define UPF_AUTO_IRQ (1 << 7)
-#define UPF_HARDPPS_CD (1 << 11)
-#define UPF_LOW_LATENCY (1 << 13)
-#define UPF_BUGGY_UART (1 << 14)
-#define UPF_MAGIC_MULTIPLIER (1 << 16)
-#define UPF_CONS_FLOW (1 << 23)
-#define UPF_SHARE_IRQ (1 << 24)
-#define UPF_BOOT_AUTOCONF (1 << 28)
-#define UPF_DEAD (1 << 30)
-#define UPF_IOREMAP (1 << 31)
-#define UPF_CHANGE_MASK (0x17fff)
-#define UPF_USR_MASK (UPF_SPD_MASK|UPF_LOW_LATENCY)
-#define USF_CLOSING_WAIT_INF (0)
-#define USF_CLOSING_WAIT_NONE (~0U)
-
-#define UART_XMIT_SIZE PAGE_SIZE
-
-#define UIF_CHECK_CD (1 << 25)
-#define UIF_CTS_FLOW (1 << 26)
-#define UIF_NORMAL_ACTIVE (1 << 29)
-#define UIF_INITIALIZED (1 << 31)
-#define UIF_SUSPENDED (1 << 30)
-
-#define WAKEUP_CHARS 256
-
-#define uart_circ_empty(circ) ((circ)->head == (circ)->tail)
-#define uart_circ_clear(circ) ((circ)->head = (circ)->tail = 0)
-
-#define uart_circ_chars_pending(circ) \
- (CIRC_CNT((circ)->head, (circ)->tail, UART_XMIT_SIZE))
-
-#define uart_circ_chars_free(circ) \
- (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE))
-
-#define uart_tx_stopped(port) \
- ((port)->info->tty->stopped || (port)->info->tty->hw_stopped)
-
-#define UART_ENABLE_MS(port,cflag) ((port)->flags & UPF_HARDPPS_CD || \
- (cflag) & CRTSCTS || \
- !((cflag) & CLOCAL))
-
-
-struct sb_uart_port;
-struct sb_uart_info;
-struct serial_struct;
-struct device;
-
-struct sb_uart_ops {
- unsigned int (*tx_empty)(struct sb_uart_port *);
- void (*set_mctrl)(struct sb_uart_port *, unsigned int mctrl);
- unsigned int (*get_mctrl)(struct sb_uart_port *);
- void (*stop_tx)(struct sb_uart_port *);
- void (*start_tx)(struct sb_uart_port *);
- void (*send_xchar)(struct sb_uart_port *, char ch);
- void (*stop_rx)(struct sb_uart_port *);
- void (*enable_ms)(struct sb_uart_port *);
- void (*break_ctl)(struct sb_uart_port *, int ctl);
- int (*startup)(struct sb_uart_port *);
- void (*shutdown)(struct sb_uart_port *);
- void (*set_termios)(struct sb_uart_port *, struct MP_TERMIOS *new,
- struct MP_TERMIOS *old);
- void (*pm)(struct sb_uart_port *, unsigned int state,
- unsigned int oldstate);
- int (*set_wake)(struct sb_uart_port *, unsigned int state);
-
- const char *(*type)(struct sb_uart_port *);
-
- void (*release_port)(struct sb_uart_port *);
-
- int (*request_port)(struct sb_uart_port *);
- void (*config_port)(struct sb_uart_port *, int);
- int (*verify_port)(struct sb_uart_port *, struct serial_struct *);
- int (*ioctl)(struct sb_uart_port *, unsigned int, unsigned long);
-};
-
-
-struct sb_uart_icount {
- __u32 cts;
- __u32 dsr;
- __u32 rng;
- __u32 dcd;
- __u32 rx;
- __u32 tx;
- __u32 frame;
- __u32 overrun;
- __u32 parity;
- __u32 brk;
- __u32 buf_overrun;
-};
-typedef unsigned int upf_t;
-
-struct sb_uart_port {
- spinlock_t lock; /* port lock */
- unsigned int iobase; /* in/out[bwl] */
- unsigned char __iomem *membase; /* read/write[bwl] */
- unsigned int irq; /* irq number */
- unsigned int uartclk; /* base uart clock */
- unsigned int fifosize; /* tx fifo size */
- unsigned char x_char; /* xon/xoff char */
- unsigned char regshift; /* reg offset shift */
- unsigned char iotype; /* io access style */
- unsigned char unused1;
-
-
- unsigned int read_status_mask; /* driver specific */
- unsigned int ignore_status_mask; /* driver specific */
- struct sb_uart_info *info; /* pointer to parent info */
- struct sb_uart_icount icount; /* statistics */
-
- struct console *cons; /* struct console, if any */
-#ifdef CONFIG_SERIAL_CORE_CONSOLE
- unsigned long sysrq; /* sysrq timeout */
-#endif
-
- upf_t flags;
-
- unsigned int mctrl; /* current modem ctrl settings */
- unsigned int timeout; /* character-based timeout */
- unsigned int type; /* port type */
- const struct sb_uart_ops *ops;
- unsigned int custom_divisor;
- unsigned int line; /* port index */
- unsigned long mapbase; /* for ioremap */
- struct device *dev; /* parent device */
- unsigned char hub6; /* this should be in the 8250 driver */
- unsigned char unused[3];
-};
-
-#define mdmode unused[2]
-#define MDMODE_ADDR 0x1
-#define MDMODE_ENABLE 0x2
-#define MDMODE_AUTO 0x4
-#define MDMODE_ADDRSEND 0x8
-
-struct sb_uart_state {
- unsigned int close_delay; /* msec */
- unsigned int closing_wait; /* msec */
-
-
- int count;
- int pm_state;
- struct sb_uart_info *info;
- struct sb_uart_port *port;
-
- struct mutex mutex;
-};
-
-typedef unsigned int uif_t;
-
-struct sb_uart_info {
- struct tty_struct *tty;
- struct circ_buf xmit;
- uif_t flags;
-
- int blocked_open;
-
- struct tasklet_struct tlet;
-
- wait_queue_head_t open_wait;
- wait_queue_head_t delta_msr_wait;
-};
-
-
-struct module;
-struct tty_driver;
-
-struct uart_driver {
- struct module *owner;
- const char *driver_name;
- const char *dev_name;
- int major;
- int minor;
- int nr;
- struct console *cons;
-
- struct sb_uart_state *state;
- struct tty_driver *tty_driver;
-};
-
-void sb_uart_write_wakeup(struct sb_uart_port *port)
-{
- struct sb_uart_info *info = port->info;
- tasklet_schedule(&info->tlet);
-}
-
-void sb_uart_update_timeout(struct sb_uart_port *port, unsigned int cflag,
- unsigned int baud)
-{
- unsigned int bits;
-
- switch (cflag & CSIZE)
- {
- case CS5:
- bits = 7;
- break;
-
- case CS6:
- bits = 8;
- break;
-
- case CS7:
- bits = 9;
- break;
-
- default:
- bits = 10;
- break;
- }
-
- if (cflag & CSTOPB)
- {
- bits++;
- }
-
- if (cflag & PARENB)
- {
- bits++;
- }
-
- bits = bits * port->fifosize;
-
- port->timeout = (HZ * bits) / baud + HZ/50;
-}
-unsigned int sb_uart_get_baud_rate(struct sb_uart_port *port, struct MP_TERMIOS *termios,
- struct MP_TERMIOS *old, unsigned int min,
- unsigned int max)
-{
- unsigned int try, baud, altbaud = 38400;
- upf_t flags = port->flags & UPF_SPD_MASK;
-
- if (flags == UPF_SPD_HI)
- altbaud = 57600;
- if (flags == UPF_SPD_VHI)
- altbaud = 115200;
- if (flags == UPF_SPD_SHI)
- altbaud = 230400;
- if (flags == UPF_SPD_WARP)
- altbaud = 460800;
-
- for (try = 0; try < 2; try++) {
-
- switch (termios->c_cflag & (CBAUD | CBAUDEX))
- {
- case B921600 : baud = 921600; break;
- case B460800 : baud = 460800; break;
- case B230400 : baud = 230400; break;
- case B115200 : baud = 115200; break;
- case B57600 : baud = 57600; break;
- case B38400 : baud = 38400; break;
- case B19200 : baud = 19200; break;
- case B9600 : baud = 9600; break;
- case B4800 : baud = 4800; break;
- case B2400 : baud = 2400; break;
- case B1800 : baud = 1800; break;
- case B1200 : baud = 1200; break;
- case B600 : baud = 600; break;
- case B300 : baud = 300; break;
- case B200 : baud = 200; break;
- case B150 : baud = 150; break;
- case B134 : baud = 134; break;
- case B110 : baud = 110; break;
- case B75 : baud = 75; break;
- case B50 : baud = 50; break;
- default : baud = 9600; break;
- }
-
- if (baud == 38400)
- baud = altbaud;
-
- if (baud == 0)
- baud = 9600;
-
- if (baud >= min && baud <= max)
- return baud;
-
- termios->c_cflag &= ~CBAUD;
- if (old) {
- termios->c_cflag |= old->c_cflag & CBAUD;
- old = NULL;
- continue;
- }
-
- termios->c_cflag |= B9600;
- }
-
- return 0;
-}
-unsigned int sb_uart_get_divisor(struct sb_uart_port *port, unsigned int baud)
-{
- unsigned int quot;
-
- if (baud == 38400 && (port->flags & UPF_SPD_MASK) == UPF_SPD_CUST)
- quot = port->custom_divisor;
- else
- quot = (port->uartclk + (8 * baud)) / (16 * baud);
-
- return quot;
-}
-
-
-
-static inline int sb_uart_handle_break(struct sb_uart_port *port)
-{
- struct sb_uart_info *info = port->info;
-
- if (port->flags & UPF_SAK)
- do_SAK(info->tty);
- return 0;
-}
-
-static inline void sb_uart_handle_dcd_change(struct sb_uart_port *port, unsigned int status)
-{
- struct sb_uart_info *info = port->info;
-
- port->icount.dcd++;
-
- if (info->flags & UIF_CHECK_CD) {
- if (status)
- wake_up_interruptible(&info->open_wait);
- else if (info->tty)
- tty_hangup(info->tty);
- }
-}
-
-static inline void sb_uart_handle_cts_change(struct sb_uart_port *port, unsigned int status)
-{
- struct sb_uart_info *info = port->info;
- struct tty_struct *tty = info->tty;
-
- port->icount.cts++;
-
- if (info->flags & UIF_CTS_FLOW) {
- if (tty->hw_stopped) {
- if (status) {
- tty->hw_stopped = 0;
- port->ops->start_tx(port);
- sb_uart_write_wakeup(port);
- }
- } else {
- if (!status) {
- tty->hw_stopped = 1;
- port->ops->stop_tx(port);
- }
- }
- }
-}
-
-
-
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.