Changeset b446b02 in mainline for uspace/drv/intctl/i8259/i8259.c

Timestamp:

2017-10-17T17:47:11Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

b1efe3e

Parents:

a416d070

Message:

Enumerate APIC and i8259 via DDF.

File:

• uspace/drv/intctl/i8259/i8259.c (moved) (moved from uspace/srv/hw/irc/i8259/i8259.c ) (8 diffs)

uspace/drv/intctl/i8259/i8259.c

@@ -40 +40 @@
 #include <sysinfo.h>
 #include <as.h>
+#include <ddf/log.h>
 #include <ddi.h>
 #include <align.h>
@@ -47 +48 @@
 #include <stdio.h>
 
+#include "i8259.h"
+
 #define NAME  "i8259"
 
-#define IO_RANGE0_START  ((ioport8_t *) 0x0020U)
 #define IO_RANGE0_SIZE   2
-
-#define IO_RANGE1_START  ((ioport8_t *) 0x00a0U)
 #define IO_RANGE1_SIZE   2
-
-static ioport8_t *io_range0;
-static ioport8_t *io_range1;
 
 #define PIC_PIC0PORT1  0
@@ -66 +63 @@
 #define PIC_MAX_IRQ  15
 
-static int pic_enable_irq(sysarg_t irq)
+static int pic_enable_irq(i8259_t *i8259, sysarg_t irq)
 {
         if (irq > PIC_MAX_IRQ)
@@ -75 +72 @@
         
         if (irqmask & 0xff) {
-                val = pio_read_8(io_range0 + PIC_PIC0PORT2);
-                pio_write_8(io_range0 + PIC_PIC0PORT2,
+                val = pio_read_8(i8259->regs0 + PIC_PIC0PORT2);
+                pio_write_8(i8259->regs0 + PIC_PIC0PORT2,
                     (uint8_t) (val & (~(irqmask & 0xff))));
         }
         
         if (irqmask >> 8) {
-                val = pio_read_8(io_range1 + PIC_PIC1PORT2);
-                pio_write_8(io_range1 + PIC_PIC1PORT2,
+                val = pio_read_8(i8259->regs1 + PIC_PIC1PORT2);
+                pio_write_8(i8259->regs1 + PIC_PIC1PORT2,
                     (uint8_t) (val & (~(irqmask >> 8))));
         }
@@ -99 +96 @@
         ipc_callid_t callid;
         ipc_call_t call;
+        i8259_t *i8259 = NULL /* XXX */;
         
         /*
@@ -104 +102 @@
          */
         async_answer_0(iid, EOK);
+        
+        i8259 = (i8259_t *)ddf_dev_data_get(ddf_fun_get_dev((ddf_fun_t *)arg));
         
         while (true) {
@@ -116 +116 @@
                 switch (IPC_GET_IMETHOD(call)) {
                 case IRC_ENABLE_INTERRUPT:
-                        async_answer_0(callid, pic_enable_irq(IPC_GET_ARG1(call)));
+                        async_answer_0(callid, pic_enable_irq(i8259,
+                            IPC_GET_ARG1(call)));
                         break;
                 case IRC_DISABLE_INTERRUPT:
@@ -133 +134 @@
 }
 
-/** Initialize the i8259 driver.
- *
- */
-static bool i8259_init(void)
-{
-        sysarg_t i8259;
-        category_id_t irc_cat;
-        service_id_t svc_id;
+/** Add i8259 device. */
+int i8259_add(i8259_t *i8259, i8259_res_t *res)
+{
+        sysarg_t have_i8259;
+        ioport8_t *regs0;
+        ioport8_t *regs1;
+        ddf_fun_t *fun_a = NULL;
         int rc;
         
-        if ((sysinfo_get_value("i8259", &i8259) != EOK) || (!i8259)) {
+        if ((sysinfo_get_value("i8259", &have_i8259) != EOK) || (!have_i8259)) {
                 printf("%s: No i8259 found\n", NAME);
-                return false;
-        }
-        
-        if ((pio_enable((void *) IO_RANGE0_START, IO_RANGE0_SIZE,
-            (void **) &io_range0) != EOK) ||
-            (pio_enable((void *) IO_RANGE1_START, IO_RANGE1_SIZE,
-            (void **) &io_range1) != EOK)) {
+                return ENOTSUP;
+        }
+        
+        if ((pio_enable((void *) res->base0, IO_RANGE0_SIZE,
+            (void **) &regs0) != EOK) ||
+            (pio_enable((void *) res->base1, IO_RANGE1_SIZE,
+            (void **) &regs1) != EOK)) {
                 printf("%s: i8259 not accessible\n", NAME);
-                return false;
-        }
-        
-        async_set_fallback_port_handler(i8259_connection, NULL);
-
-        rc = loc_server_register(NAME);
+                return EIO;
+        }
+        
+        i8259->regs0 = regs0;
+        i8259->regs1 = regs1;
+        
+        fun_a = ddf_fun_create(i8259->dev, fun_exposed, "a");
+        if (fun_a == NULL) {
+                ddf_msg(LVL_ERROR, "Failed creating function 'a'.");
+                rc = ENOMEM;
+                goto error;
+        }
+        
+        ddf_fun_set_conn_handler(fun_a, i8259_connection);
+        
+        rc = ddf_fun_bind(fun_a);
         if (rc != EOK) {
-                printf("%s: Failed registering server. (%d)\n", NAME, rc);
-                return false;
-        }
-
-        rc = loc_service_register("irc/" NAME, &svc_id);
-        if (rc != EOK) {
-                printf("%s: Failed registering service. (%d)\n", NAME, rc);
-                return false;
-        }
-
-        rc = loc_category_get_id("irc", &irc_cat, IPC_FLAG_BLOCKING);
-        if (rc != EOK) {
-                printf("%s: Failed resolving category 'iplink' (%d).\n", NAME,
-                    rc);
-                return false;
-        }
-
-        rc = loc_service_add_to_cat(svc_id, irc_cat);
-        if (rc != EOK) {
-                printf("%s: Failed adding service to category (%d).\n", NAME,
-                    rc);
-                return false;
-        }
-        
-        return true;
-}
-
-int main(int argc, char **argv)
-{
-        printf("%s: HelenOS i8259 driver\n", NAME);
-        
-        if (!i8259_init())
-                return -1;
-        
-        printf("%s: Accepting connections\n", NAME);
-        task_retval(0);
-        async_manager();
-        
-        /* Never reached */
-        return 0;
+                ddf_msg(LVL_ERROR, "Failed binding function 'a'. (%d)", rc);
+                goto error;
+        }
+        
+        rc = ddf_fun_add_to_category(fun_a, "irc");
+        if (rc != EOK)
+                goto error;
+        
+        return EOK;
+error:
+        if (fun_a != NULL)
+                ddf_fun_destroy(fun_a);
+        return rc;
+}
+
+/** Remove i8259 device */
+int i8259_remove(i8259_t *i8259)
+{
+        return ENOTSUP;
+}
+
+/** i8259 device gone */
+int i8259_gone(i8259_t *i8259)
+{
+        return ENOTSUP;
 }