X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=carlfw%2Fsrc%2Fdma.c;h=9a6cc0caa22e2280ec86af7d408a48943f2d0235;hb=HEAD;hp=7ca0c9aec0222eb2799e8f1fc3e998309097cee9;hpb=cdced53c2ede33a9fe9004db4d93cfc984ad4243;p=carl9170fw.git

diff --git a/carlfw/src/dma.c b/carlfw/src/dma.c
index 7ca0c9a..9a6cc0c 100644
--- a/carlfw/src/dma.c
+++ b/carlfw/src/dma.c
@@ -19,15 +19,14 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * with this program; If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "carl9170.h"
 #include "wl.h"
 #include "printf.h"
 
-struct ar9170_dma_memory dma_mem __section(sram);
+struct ar9170_dma_memory dma_mem __in_section(sram);
 
 static void copy_dma_desc(struct dma_desc *dst,
 			  struct dma_desc *src)
@@ -57,6 +56,11 @@ static void fill_descriptor(struct dma_desc *d, uint16_t size, uint8_t *data)
 	d->nextAddr = NULL;
 }
 
+static void init_queue(struct dma_queue *q, struct dma_desc *d)
+{
+	q->head = q->terminator = d;
+}
+
 /*
  *  - Init up_queue, down_queue, tx_queue[5], rx_queue.
  *  - Setup descriptors and data buffer address.
@@ -74,27 +78,19 @@ void dma_init_descriptors(void)
 
 	/* Assign terminators to DMA queues */
 	i = 0;
-	fw.pta.up_queue.head = fw.pta.up_queue.terminator = &dma_mem.terminator[i++];
-	fw.pta.down_queue.head = fw.pta.down_queue.terminator = &dma_mem.terminator[i++];
+	init_queue(&fw.pta.up_queue, &dma_mem.terminator[i++]);
+	init_queue(&fw.pta.down_queue, &dma_mem.terminator[i++]);
 	for (j = 0; j < __AR9170_NUM_TX_QUEUES; j++)
-		fw.wlan.tx_queue[j].head = fw.wlan.tx_queue[j].terminator = &dma_mem.terminator[i++];
-	fw.wlan.tx_retry.head = fw.wlan.tx_retry.terminator = &dma_mem.terminator[i++];
-	fw.wlan.rx_queue.head = fw.wlan.rx_queue.terminator = &dma_mem.terminator[i++];
+		init_queue(&fw.wlan.tx_queue[j], &dma_mem.terminator[i++]);
+	init_queue(&fw.wlan.tx_retry, &dma_mem.terminator[i++]);
+	init_queue(&fw.wlan.rx_queue, &dma_mem.terminator[i++]);
 	fw.usb.int_desc = &dma_mem.terminator[i++];
-	fw.wlan.ba_desc = &dma_mem.terminator[i++];
+	fw.wlan.fw_desc = &dma_mem.terminator[i++];
 
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
-	/* GCC bug ? */
-# if (CARL9170_INTF_NUM != 2)
 	for (j = 0; j < CARL9170_INTF_NUM; j++)
-		fw.wlan.cab_queue[j].head = fw.wlan.cab_queue[j].terminator = &dma_mem.terminator[i++];
-#else
-	fw.wlan.cab_queue[0].head = fw.wlan.cab_queue[0].terminator = &dma_mem.terminator[i++];
-	fw.wlan.cab_queue[1].head = fw.wlan.cab_queue[1].terminator = &dma_mem.terminator[i++];
-#endif
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
+		init_queue(&fw.wlan.cab_queue[j], &dma_mem.terminator[i++]);
 
-	BUILD_BUG_ON(AR9170_TERMINATOR_NUMBER != j);
+	BUG_ON(AR9170_TERMINATOR_NUMBER != i);
 
 	DBG("Blocks:%d [tx:%d, rx:%d] Terminators:%d/%d\n",
 	    AR9170_BLOCK_NUMBER, AR9170_TX_BLOCK_NUMBER,
@@ -120,14 +116,8 @@ void dma_init_descriptors(void)
 		set_wlan_txq_dma_addr(i, (uint32_t) fw.wlan.tx_queue[i].head);
 
 	set(AR9170_MAC_REG_DMA_RXQ_ADDR, (uint32_t) fw.wlan.rx_queue.head);
-
-	fw.usb.int_desc->status = AR9170_OWN_BITS_SW;
-	fw.usb.int_desc->ctrl = (AR9170_CTRL_LS_BIT | AR9170_CTRL_FS_BIT);
 	fw.usb.int_desc->dataSize = AR9170_BLOCK_SIZE;
-	fw.usb.int_desc->totalLen = 0;
-	fw.usb.int_desc->lastAddr = fw.usb.int_desc;
 	fw.usb.int_desc->dataAddr = (void *) &dma_mem.reserved.rsp;
-	fw.usb.int_desc->nextAddr = (void *) 0;
 
 	memset(DESC_PAYLOAD(fw.usb.int_desc), 0xff,
 	       AR9170_INT_MAGIC_HEADER_SIZE);
@@ -137,19 +127,8 @@ void dma_init_descriptors(void)
 	/* rsp is now available for use */
 	fw.usb.int_desc_available = 1;
 
-	fw.wlan.ba_desc->status = AR9170_OWN_BITS_SW;
-	fw.wlan.ba_desc->ctrl = (AR9170_CTRL_LS_BIT | AR9170_CTRL_FS_BIT);
-	fw.wlan.ba_desc->dataSize = fw.wlan.ba_desc->totalLen =
-		sizeof(struct carl9170_tx_superdesc) +
-		sizeof(struct ar9170_tx_hwdesc) +
-		sizeof(struct ieee80211_ba) + FCS_LEN;
-	fw.wlan.ba_desc->lastAddr = fw.wlan.ba_desc;
-	fw.wlan.ba_desc->nextAddr = fw.wlan.ba_desc;
-	fw.wlan.ba_desc->dataAddr = (void *) &dma_mem.reserved.ba;
-
-	memset(DESC_PAYLOAD(fw.wlan.ba_desc), 0, 128);
-
-	fw.wlan.ba_desc_available = 1;
+	memset(DESC_PAYLOAD(fw.wlan.fw_desc), 0, 128);
+	fw.wlan.fw_desc_available = 1;
 }
 
 /*