Changeset 7de5f12 in mainline for uspace/drv/char/msim-con/main.c

Timestamp:

2017-11-15T20:23:50Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

6ac1243d, 7f4937e

Parents:

e7a8bd2

Message:

MSIM console driver can use hw_res instead of sysinfo for configuration.

File:

• uspace/drv/char/msim-con/main.c (modified) (3 diffs)

uspace/drv/char/msim-con/main.c

@@ -35 +35 @@
 #include <ddf/driver.h>
 #include <ddf/log.h>
+#include <device/hw_res_parsed.h>
 #include <errno.h>
 #include <stdio.h>
@@ -61 +62 @@
 };
 
+static int msim_con_get_res(ddf_dev_t *dev, msim_con_res_t *res)
+{
+        async_sess_t *parent_sess;
+        hw_res_list_parsed_t hw_res;
+        int rc;
+
+        parent_sess = ddf_dev_parent_sess_get(dev);
+        if (parent_sess == NULL)
+                return ENOMEM;
+
+        hw_res_list_parsed_init(&hw_res);
+        rc = hw_res_get_list_parsed(parent_sess, &hw_res, 0);
+        if (rc != EOK)
+                return rc;
+
+        if (hw_res.mem_ranges.count != 1) {
+                rc = EINVAL;
+                goto error;
+        }
+
+        res->base = RNGABS(hw_res.mem_ranges.ranges[0]);
+
+        if (hw_res.irqs.count != 1) {
+                rc = EINVAL;
+                goto error;
+        }
+
+        res->irq = hw_res.irqs.irqs[0];
+
+        return EOK;
+error:
+        hw_res_list_parsed_clean(&hw_res);
+        return rc;
+}
+
 static int msim_con_dev_add(ddf_dev_t *dev)
 {
         msim_con_t *msim_con;
+        msim_con_res_t res;
+        int rc;
 
         ddf_msg(LVL_DEBUG, "msim_con_dev_add(%p)", dev);
+
         msim_con = ddf_dev_data_alloc(dev, sizeof(msim_con_t));
         if (msim_con == NULL) {
@@ -74 +113 @@
         msim_con->dev = dev;
 
-        return msim_con_add(msim_con);
+        rc = msim_con_get_res(dev, &res);
+        if (rc != EOK) {
+                ddf_msg(LVL_ERROR, "Failed getting hardware resource list.\n");
+                return EIO;
+        }
+
+        return msim_con_add(msim_con, &res);
 }