Changeset 21df2e5 in mainline

Timestamp:

2009-02-21T20:49:01Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0c33687a

Parents:

7bdd725

Message:

Adapt the userspace ns16550 driver to the new pseudocode.

File:

• uspace/srv/kbd/port/ns16550.c (modified) (3 diffs)

uspace/srv/kbd/port/ns16550.c

@@ -51 +51 @@
 #define LSR_REG         5       /** Line Status Register. */
 
-irq_cmd_t ns16550_cmds[1] = {
-        { CMD_PORT_READ_1, 0, 0, 2 },
+#define LSR_DATA_READY  0x01
+
+static irq_cmd_t ns16550_cmds[] = {
+        {
+                .cmd = CMD_PIO_READ_8,
+                .addr = (void *) 0,     /* will be patched in run-time */
+                .dstarg = 1
+        },
+        {
+                .cmd = CMD_BTEST,
+                .value = LSR_DATA_READY,
+                .srcarg = 1,
+                .dstarg = 3
+        },
+        {
+                .cmd = CMD_PREDICATE,
+                .value = 2,
+                .srcarg = 3
+        },
+        {
+                .cmd = CMD_PIO_READ_8,
+                .addr = (void *) 0,     /* will be patched in run-time */
+                .dstarg = 2
+        },
+        {
+                .cmd = CMD_ACCEPT
+        }
 };
 
 irq_code_t ns16550_kbd = {
-        1,
+        sizeof(ns16550_cmds) / sizeof(irq_cmd_t),
         ns16550_cmds
 };
@@ -69 +94 @@
 
         ns16550_port = sysinfo_value("kbd.port");
-        ns16550_kbd.cmds[0].addr = (void *) (ns16550_port + RBR_REG);
+        ns16550_kbd.cmds[0].addr = (void *) (ns16550_port + LSR_REG);
+        ns16550_kbd.cmds[3].addr = (void *) (ns16550_port + RBR_REG);
         ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"),
             0, &ns16550_kbd);
@@ -76 +102 @@
         return 0;
 }
-
-#define LSR_DATA_READY  0x01
 
 static void ns16550_irq_handler(ipc_callid_t iid, ipc_call_t *call)