Changeset 77c2b02 in mainline for uspace/drv/nic/e1k/e1k.c

Timestamp:

2012-01-05T15:48:08Z (12 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

9f0fb84

Parents:

c520034

Message:

e1k: add better extension points

File:

• uspace/drv/nic/e1k/e1k.c (modified) (7 diffs)

uspace/drv/nic/e1k/e1k.c

@@ -44 +44 @@
 #include <libarch/ddi.h>
 #include <as.h>
+#include <ddf/log.h>
 #include <ddf/interrupt.h>
 #include <devman.h>
@@ -111 +112 @@
 /** E1000 device data */
 typedef struct {
+        /** Device configuration */
+        e1000_info_t info;
+        
         /** Physical registers base address */
         void *reg_base_phys;
@@ -143 +147 @@
         /** Used milticast Receive addrress count */
         unsigned int multicast_ra_count;
-        
-        /** PCI device ID */
-        uint16_t device_id;
         
         /** The irq assigned */
@@ -1888 +1889 @@
         /* Allocate driver data for the device. */
         e1000_t *e1000 = e1000_create_dev_data(dev);
-        if (e1000 == NULL)
+        if (e1000 == NULL) {
+                ddf_msg(LVL_ERROR, "Unable to allocate device softstate");
                 return ENOMEM;
+        }
         
         /* Obtain and fill hardware resources info */
         int rc = e1000_get_resource_info(dev);
         if (rc != EOK) {
+                ddf_msg(LVL_ERROR, "Cannot obtain hardware resources");
                 e1000_dev_cleanup(dev);
                 return rc;
         }
         
+        uint16_t device_id;
         rc = pci_config_space_read_16(dev->parent_sess, PCI_DEVICE_ID,
-            &e1000->device_id);
+            &device_id);
         if (rc != EOK) {
+                ddf_msg(LVL_ERROR, "Cannot access PCI configuration space");
                 e1000_dev_cleanup(dev);
                 return rc;
+        }
+        
+        e1000_board_t board;
+        switch (device_id) {
+        case 0x1013:
+        case 0x1018:
+        case 0x1078:
+                board = E1000_82541;
+                break;
+        case 0x1076:
+        case 0x1077:
+        case 0x107c:
+                board = E1000_82541REV2;
+                break;
+        case 0x1019:
+        case 0x101a:
+                board = E1000_82547;
+                break;
+        case 0x10b9:
+                board = E1000_82572;
+                break;
+        case 0x1096:
+                board = E1000_80003ES2;
+                break;
+        default:
+                ddf_msg(LVL_ERROR, "Device not supported (%#" PRIx16 ")",
+                    device_id);
+                e1000_dev_cleanup(dev);
+                return ENOTSUP;
+        }
+        
+        switch (board) {
+        case E1000_82541:
+        case E1000_82541REV2:
+        case E1000_82572:
+                e1000->info.eerd_start = 0x01;
+                e1000->info.eerd_done = 0x10;
+                e1000->info.eerd_address_offset = 8;
+                e1000->info.eerd_data_offset = 16;
+                break;
+        case E1000_82547:
+        case E1000_80003ES2:
+                e1000->info.eerd_start = 0x01;
+                e1000->info.eerd_done = 0x02;
+                e1000->info.eerd_address_offset = 2;
+                e1000->info.eerd_data_offset = 16;
+                break;
         }
         
@@ -2023 +2076 @@
         fibril_mutex_lock(&e1000->eeprom_lock);
         
-        uint32_t eerd_done;
-        uint32_t eerd_address_offset;
-        
-        switch (e1000->device_id) {
-        case 0x107c:
-        case 0x1013:
-        case 0x1018:
-        case 0x1019:
-        case 0x101A:
-        case 0x1076:
-        case 0x1077:
-        case 0x1078:
-        case 0x10b9:
-                /* 82541xx and 82547GI/EI */
-                eerd_done = EERD_DONE_82541XX_82547GI_EI;
-                eerd_address_offset = EERD_ADDRESS_OFFSET_82541XX_82547GI_EI;
-                break;
-        default:
-                eerd_done = EERD_DONE;
-                eerd_address_offset = EERD_ADDRESS_OFFSET;
-                break;
-        }
-        
         /* Write address and START bit to EERD register */
-        uint32_t write_data = EERD_START |
-            (((uint32_t) eeprom_address) << eerd_address_offset);
+        uint32_t write_data = e1000->info.eerd_start |
+            (((uint32_t) eeprom_address) <<
+            e1000->info.eerd_address_offset);
         E1000_REG_WRITE(e1000, E1000_EERD, write_data);
         
         uint32_t eerd = E1000_REG_READ(e1000, E1000_EERD);
-        while ((eerd & eerd_done) == 0) {
+        while ((eerd & e1000->info.eerd_done) == 0) {
                 usleep(1);
                 eerd = E1000_REG_READ(e1000, E1000_EERD);
@@ -2059 +2090 @@
         fibril_mutex_unlock(&e1000->eeprom_lock);
         
-        return (uint16_t) (eerd >> EERD_DATA_OFFSET);
+        return (uint16_t) (eerd >> e1000->info.eerd_data_offset);
 }
 
@@ -2228 +2259 @@
         nic_driver_implement(&e1000_driver_ops, &e1000_dev_ops,
             &e1000_nic_iface);
+        
+        ddf_log_init(NAME, LVL_ERROR);
+        ddf_msg(LVL_NOTE, "HelenOS E1000 driver started");
         return ddf_driver_main(&e1000_driver);
 }