X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/1375eb51603466b723ab7dd1ca4194ee5d662f75..3bda60093277ec3bc94439bcc6ae3bf7cef10e78:/lunaix-os/hal/char/serial.c diff --git a/lunaix-os/hal/char/serial.c b/lunaix-os/hal/char/serial.c index d353a16..7943bb3 100644 --- a/lunaix-os/hal/char/serial.c +++ b/lunaix-os/hal/char/serial.c @@ -1,12 +1,16 @@ #include #include #include +#include #include +#include -#include +#include #include +LOG_MODULE("serial") + #define lock_sdev(sdev) device_lock((sdev)->dev) #define unlock_sdev(sdev) device_unlock((sdev)->dev) #define unlock_and_wait(sdev, wq) \ @@ -19,6 +23,8 @@ static DEFINE_LLIST(serial_devs); static int serial_idx = 0; +static struct device_cat* serial_cat; + #define serial_device(dev) ((struct serial_dev*)(dev)->underlay) int @@ -39,6 +45,8 @@ serial_end_recv(struct serial_dev* sdev) mark_device_done_read(sdev->dev); pwake_one(&sdev->wq_rxdone); + + term_notify_data_avaliable(sdev->tp_cap); } void @@ -143,41 +151,41 @@ serial_writebuf_nowait(struct serial_dev* sdev, u8_t* buf, size_t len) } static int -__serial_read(struct device* dev, void* buf, size_t offset, size_t len) +__serial_read(struct device* dev, void* buf, off_t fpos, size_t len) { - return serial_readbuf(serial_device(dev), &((u8_t*)buf)[offset], len); + return serial_readbuf(serial_device(dev), (u8_t*)buf, len); } static int -__serial_read_async(struct device* dev, void* buf, size_t offset, size_t len) +__serial_read_async(struct device* dev, void* buf, off_t fpos, size_t len) { return serial_readbuf_nowait( - serial_device(dev), &((u8_t*)buf)[offset], len); + serial_device(dev), (u8_t*)buf, len); } static int -__serial_read_page(struct device* dev, void* buf, size_t offset) +__serial_read_page(struct device* dev, void* buf, off_t fpos) { - return serial_readbuf(serial_device(dev), &((u8_t*)buf)[offset], MEM_PAGE); + return serial_readbuf(serial_device(dev), (u8_t*)buf, PAGE_SIZE); } static int -__serial_write(struct device* dev, void* buf, size_t offset, size_t len) +__serial_write(struct device* dev, void* buf, off_t fpos, size_t len) { - return serial_writebuf(serial_device(dev), &((u8_t*)buf)[offset], len); + return serial_writebuf(serial_device(dev), (u8_t*)buf, len); } static int -__serial_write_async(struct device* dev, void* buf, size_t offset, size_t len) +__serial_write_async(struct device* dev, void* buf, off_t fpos, size_t len) { return serial_writebuf_nowait( - serial_device(dev), &((u8_t*)buf)[offset], len); + serial_device(dev), (u8_t*)buf, len); } static int -__serial_write_page(struct device* dev, void* buf, size_t offset) +__serial_write_page(struct device* dev, void* buf, off_t fpos) { - return serial_writebuf(serial_device(dev), &((u8_t*)buf)[offset], MEM_PAGE); + return serial_writebuf(serial_device(dev), (u8_t*)buf, PAGE_SIZE); } static int @@ -200,20 +208,75 @@ __serial_poll_event(struct device* dev) return sdev->dev->poll_evflags; } +static void sdev_execmd(struct serial_dev* sdev, u32_t req, ...) +{ + va_list args; + va_start(args, req); + + sdev->exec_cmd(sdev, req, args); + + va_end(args); +} + +static void +__serial_set_speed(struct device* dev, speed_t speed) +{ + struct serial_dev* sdev = serial_device(dev); + lock_sdev(sdev); + + sdev_execmd(sdev, SERIO_SETBRDRATE, speed); + + unlock_sdev(sdev); +} + +static void +__serial_set_baseclk(struct device* dev, unsigned int base) +{ + struct serial_dev* sdev = serial_device(dev); + lock_sdev(sdev); + + sdev_execmd(sdev, SERIO_SETBRDBASE, base); + + unlock_sdev(sdev); +} + +static void +__serial_set_cntrl_mode(struct device* dev, tcflag_t cflag) +{ + struct serial_dev* sdev = serial_device(dev); + lock_sdev(sdev); + + sdev_execmd(sdev, SERIO_SETCNTRLMODE, cflag); + + unlock_sdev(sdev); +} + #define RXBUF_SIZE 512 +static struct termport_pot_ops tppot_ops = { + .set_cntrl_mode = __serial_set_cntrl_mode, + .set_clkbase = __serial_set_baseclk, + .set_speed = __serial_set_speed +}; + struct serial_dev* serial_create(struct devclass* class, char* if_ident) { - struct serial_dev* sdev = valloc(sizeof(struct serial_dev)); - struct device* dev = device_allocseq(NULL, sdev); + struct serial_dev* sdev; + struct device* dev; + + sdev = vzalloc(sizeof(struct serial_dev)); + dev = device_allocseq(dev_meta(serial_cat), sdev); + dev->ops.read = __serial_read; dev->ops.read_page = __serial_read_page; + dev->ops.read_async = __serial_read_async; + dev->ops.write_async = __serial_write_async; dev->ops.write = __serial_write; dev->ops.write_page = __serial_write_page; dev->ops.exec_cmd = __serial_exec_command; dev->ops.poll = __serial_poll_event; - + sdev->dev = dev; dev->underlay = sdev; @@ -221,12 +284,14 @@ serial_create(struct devclass* class, char* if_ident) waitq_init(&sdev->wq_txdone); rbuffer_init(&sdev->rxbuf, valloc(RXBUF_SIZE), RXBUF_SIZE); llist_append(&serial_devs, &sdev->sdev_list); + + register_device_var(dev, class, "%s", if_ident); - device_register(dev, class, "port%s%d", if_ident, class->variant); + INFO("interface: %s, %xh:%xh.%d", dev->name_val, + class->fn_grp, class->device, class->variant); - sdev->at_term = term_create(dev, if_ident); + sdev->tp_cap = term_attach_potens(dev, &tppot_ops, if_ident); - class->variant++; return sdev; } @@ -242,4 +307,13 @@ serial_get_avilable() } return NULL; -} \ No newline at end of file +} + +static void +init_serial_dev() +{ + serial_cat = device_addcat(NULL, "serial"); + + assert(serial_cat); +} +owloysius_fetch_init(init_serial_dev, on_earlyboot) \ No newline at end of file