Merging upstream version 20240709.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 255 deletions

diff --git a/carl9170fw/carlfw/src/dma.c b/carl9170fw/carlfw/src/dma.c
deleted file mode 100644
index 9b83fcf..0000000
--- a/carl9170fw/carlfw/src/dma.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * DMA descriptor handling functions
- *
- * Copyright (c) 2000-2005 ZyDAS Technology Corporation
- * Copyright (c) 2007-2009 Atheros Communications, Inc.
- * Copyright	2009	Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2009-2011	Christian Lamparter <chunkeey@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * 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.
- */
-
-#include "carl9170.h"
-#include "wl.h"
-#include "printf.h"
-
-struct ar9170_dma_memory dma_mem __section(sram);
-
-static void copy_dma_desc(struct dma_desc *dst,
-			  struct dma_desc *src)
-{
-	memcpy(dst, src, sizeof(struct dma_desc));
-}
-
-static void clear_descriptor(struct dma_desc *d)
-{
-	d->status = AR9170_OWN_BITS_SW;
-	d->ctrl = 0;
-	d->dataSize = 0;
-	d->totalLen = 0;
-	d->lastAddr = d;
-	d->dataAddr = NULL;
-	d->nextAddr = d;
-}
-
-static void fill_descriptor(struct dma_desc *d, uint16_t size, uint8_t *data)
-{
-	d->status = AR9170_OWN_BITS_SW;
-	d->ctrl = 0;
-	d->dataSize = size;
-	d->totalLen = 0;
-	d->lastAddr = d;
-	d->dataAddr = 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.
- *  - Ring descriptors rx_queue and down_queue by dma_reclaim().
- *
- * NOTE: LastAddr tempary point (same) to nextAddr after initialize.
- *	 Because LastAddr is don't care in function dma_reclaim().
- */
-void dma_init_descriptors(void)
-{
-	unsigned int i, j;
-
-	for (i = 0; i < ARRAY_SIZE(dma_mem.terminator); i++)
-		clear_descriptor(&dma_mem.terminator[i]);
-
-	/* Assign terminators to DMA queues */
-	i = 0;
-	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++)
-		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.fw_desc = &dma_mem.terminator[i++];
-
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
-	for (j = 0; j < CARL9170_INTF_NUM; j++)
-		init_queue(&fw.wlan.cab_queue[j], &dma_mem.terminator[i++]);
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
-	BUG_ON(AR9170_TERMINATOR_NUMBER != i);
-
-	DBG("Blocks:%d [tx:%d, rx:%d] Terminators:%d/%d\n",
-	    AR9170_BLOCK_NUMBER, AR9170_TX_BLOCK_NUMBER,
-	    AR9170_RX_BLOCK_NUMBER, AR9170_TERMINATOR_NUMBER, i);
-
-	/* Init descriptors and memory blocks */
-	for (i = 0; i < AR9170_BLOCK_NUMBER; i++) {
-		fill_descriptor(&dma_mem.block[i], AR9170_BLOCK_SIZE, dma_mem.data[i].data);
-
-		if (i < AR9170_TX_BLOCK_NUMBER)
-			dma_reclaim(&fw.pta.down_queue, &dma_mem.block[i]);
-		else
-			dma_reclaim(&fw.wlan.rx_queue, &dma_mem.block[i]);
-	}
-
-	/* Set DMA address registers */
-	set(AR9170_PTA_REG_DN_DMA_ADDRH, (uint32_t) fw.pta.down_queue.head >> 16);
-	set(AR9170_PTA_REG_DN_DMA_ADDRL, (uint32_t) fw.pta.down_queue.head & 0xffff);
-	set(AR9170_PTA_REG_UP_DMA_ADDRH, (uint32_t) fw.pta.up_queue.head >> 16);
-	set(AR9170_PTA_REG_UP_DMA_ADDRL, (uint32_t) fw.pta.up_queue.head & 0xffff);
-
-	for (i = 0; i < __AR9170_NUM_TX_QUEUES; i++)
-		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->dataSize = AR9170_BLOCK_SIZE;
-	fw.usb.int_desc->dataAddr = (void *) &dma_mem.reserved.rsp;
-
-	memset(DESC_PAYLOAD(fw.usb.int_desc), 0xff,
-	       AR9170_INT_MAGIC_HEADER_SIZE);
-	memset(DESC_PAYLOAD_OFF(fw.usb.int_desc, AR9170_INT_MAGIC_HEADER_SIZE),
-	       0, AR9170_BLOCK_SIZE - AR9170_INT_MAGIC_HEADER_SIZE);
-
-	/* rsp is now available for use */
-	fw.usb.int_desc_available = 1;
-
-	memset(DESC_PAYLOAD(fw.wlan.fw_desc), 0, 128);
-	fw.wlan.fw_desc_available = 1;
-}
-
-/*
- * Free descriptor.
- *
- * Exchange the terminator and the first descriptor of the packet
- * for hardware ascy...
- */
-void dma_reclaim(struct dma_queue *q, struct dma_desc *desc)
-{
-	struct dma_desc *tmpDesc, *last;
-	struct dma_desc tdesc;
-
-	/* 1. Set OWN bit to HW for all TDs to be added, clear ctrl and size */
-	tmpDesc = desc;
-	last = desc->lastAddr;
-
-	while (1) {
-		tmpDesc->status = AR9170_OWN_BITS_HW;
-		tmpDesc->ctrl = 0;
-		tmpDesc->totalLen = 0;
-		tmpDesc->dataSize = AR9170_BLOCK_SIZE;
-
-		/* TODO : Exception handle */
-
-		tmpDesc->lastAddr = tmpDesc;
-
-		if (tmpDesc == last)
-			break;
-
-		tmpDesc = tmpDesc->nextAddr;
-	}
-
-	/* 2. Next address of Last TD to be added = first TD */
-	tmpDesc->nextAddr = desc;
-
-	/* Link first TD to self */
-	desc->lastAddr = q->terminator;
-
-	/* 3. Copy first TD to be added to TTD */
-	copy_dma_desc(&tdesc, desc);
-
-	/* 4. Initialize new terminator */
-	clear_descriptor(desc);
-
-	/* 5. Copy TTD to last TD */
-	tdesc.status = 0;
-	copy_dma_desc((void *)q->terminator, (void *)&tdesc);
-	q->terminator->status |= AR9170_OWN_BITS_HW;
-
-	/* Update terminator pointer */
-	q->terminator = desc;
-}
-
-/*
- * Put a complete packet into the tail of the Queue q.
- * Exchange the terminator and the first descriptor of the packet
- * for hardware ascy...
- */
-void dma_put(struct dma_queue *q, struct dma_desc *desc)
-{
-	struct dma_desc *tmpDesc;
-	struct dma_desc tdesc;
-
-	tmpDesc = desc;
-
-	while (1) {
-		/* update totalLen */
-		tmpDesc->totalLen = desc->totalLen;
-
-		/* 1. Set OWN bit to HW for all TDs to be added */
-		tmpDesc->status = AR9170_OWN_BITS_HW;
-		/* TODO : Exception handle */
-
-		tmpDesc->lastAddr = desc->lastAddr;
-
-		if (desc->lastAddr == tmpDesc)
-			break;
-
-		tmpDesc = tmpDesc->nextAddr;
-	}
-
-	/* 2. Next address of Last TD to be added = first TD */
-	desc->lastAddr->nextAddr = desc;
-
-	/* If there is only one descriptor, update pointer of last descriptor */
-	if (desc->lastAddr == desc)
-		desc->lastAddr = q->terminator;
-
-	/* 3. Copy first TD to be added to TTD */
-	copy_dma_desc(&tdesc, desc);
-
-	/* 4. Initialize new terminator */
-	clear_descriptor(desc);
-
-	/* 5. Copy TTD to last TD */
-	tdesc.status &= (~AR9170_OWN_BITS);
-	copy_dma_desc((void *)q->terminator, (void *)&tdesc);
-	q->terminator->status |= AR9170_OWN_BITS_HW;
-
-	/* Update terminator pointer */
-	q->terminator = desc;
-}
-
-struct dma_desc *dma_unlink_head(struct dma_queue *queue)
-{
-	struct dma_desc *desc;
-
-	if (queue_empty(queue))
-		return NULL;
-
-	desc = queue->head;
-
-	queue->head = desc->lastAddr->nextAddr;
-
-	/* poison nextAddr address */
-	desc->lastAddr->nextAddr = desc->lastAddr;
-	desc->lastAddr->lastAddr = desc->lastAddr;
-
-	return desc;
-}