rewrite the device subsystem interfaces (#48)

[lunaix-os.git] / lunaix-os / hal / char / serial.c

diff --git a/lunaix-os/hal/char/serial.c b/lunaix-os/hal/char/serial.c
index d93ff398b81231019595c332bf8daaae1ad5e1a6..7943bb3c36ab732ac897e0ad4fc6f0476afc72ab 100644 (file)
--- a/lunaix-os/hal/char/serial.c
+++ b/lunaix-os/hal/char/serial.c
@@ -1,12 +1,15 @@
 #include <lunaix/device.h>
 #include <lunaix/mm/valloc.h>
 #include <lunaix/spike.h>
+#include <lunaix/owloysius.h>
 #include <lunaix/status.h>
+#include <lunaix/syslog.h>
 
-#include <sys/mm/mempart.h>
+#include <asm/pagetable.h>
 
 #include <hal/serial.h>
-#include <hal/term.h>
+
+LOG_MODULE("serial")
 
 #define lock_sdev(sdev) device_lock((sdev)->dev)
 #define unlock_sdev(sdev) device_unlock((sdev)->dev)
@@ -20,6 +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
@@ -40,6 +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
@@ -159,7 +166,7 @@ __serial_read_async(struct device* dev, void* buf, off_t fpos, size_t len)
 static int
 __serial_read_page(struct device* dev, void* buf, off_t fpos)
 {
-    return serial_readbuf(serial_device(dev), (u8_t*)buf, MEM_PAGE);
+    return serial_readbuf(serial_device(dev), (u8_t*)buf, PAGE_SIZE);
 }
 
 static int
@@ -178,7 +185,7 @@ __serial_write_async(struct device* dev, void* buf, off_t fpos, size_t len)
 static int
 __serial_write_page(struct device* dev, void* buf, off_t fpos)
 {
-    return serial_writebuf(serial_device(dev), (u8_t*)buf, MEM_PAGE);
+    return serial_writebuf(serial_device(dev), (u8_t*)buf, PAGE_SIZE);
 }
 
 static int
@@ -217,7 +224,18 @@ __serial_set_speed(struct device* dev, speed_t speed)
     struct serial_dev* sdev = serial_device(dev);
     lock_sdev(sdev);
 
-    sdev_execmd(sdev, SERIO_SETBRDIV, speed);
+    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);
 }
@@ -235,11 +253,21 @@ __serial_set_cntrl_mode(struct device* dev, tcflag_t cflag)
 
 #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;
@@ -252,23 +280,18 @@ serial_create(struct devclass* class, char* if_ident)
     sdev->dev = dev;
     dev->underlay = sdev;
 
-    struct termport_capability* tp_cap = 
-        new_capability(TERMPORT_CAP, struct termport_capability);
-    tp_cap->set_speed = __serial_set_speed;
-    tp_cap->set_cntrl_mode = __serial_set_cntrl_mode;
-
     waitq_init(&sdev->wq_rxdone);
     waitq_init(&sdev->wq_txdone);
     rbuffer_init(&sdev->rxbuf, valloc(RXBUF_SIZE), RXBUF_SIZE);
     llist_append(&serial_devs, &sdev->sdev_list);
     
-    device_grant_capability(dev, cap_meta(tp_cap));
+    register_device_var(dev, class, "%s", if_ident);
 
-    register_device(dev, class, "serial%d", class->variant);
+    INFO("interface: %s, %xh:%xh.%d", dev->name_val, 
+            class->fn_grp, class->device, class->variant);
 
-    term_create(dev, if_ident);
+    sdev->tp_cap = term_attach_potens(dev, &tppot_ops, if_ident);
 
-    class->variant++;
     return sdev;
 }
 
@@ -284,4 +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