From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/net/hippi/rrunner.c | 131 ++++++++++++++++++++++---------------------
1 files changed, 67 insertions(+), 64 deletions(-)
diff --git a/kernel/drivers/net/hippi/rrunner.c b/kernel/drivers/net/hippi/rrunner.c
index 2a8c33a..b9646b3 100644
--- a/kernel/drivers/net/hippi/rrunner.c
+++ b/kernel/drivers/net/hippi/rrunner.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* rrunner.c: Linux driver for the Essential RoadRunner HIPPI board.
*
@@ -8,11 +9,6 @@
* been able to write this driver. A special thank you to John Gibbon
* for sorting out the legal issues, with the NDA, allowing the code to
* be released under the GPL.
- *
- * 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.
*
* Thanks to Jayaram Bhat from ODS/Essential for fixing some of the
* stupid bugs in my code.
@@ -155,7 +151,8 @@
goto out;
}
- tmpptr = pci_alloc_consistent(pdev, TX_TOTAL_SIZE, &ring_dma);
+ tmpptr = dma_alloc_coherent(&pdev->dev, TX_TOTAL_SIZE, &ring_dma,
+ GFP_KERNEL);
rrpriv->tx_ring = tmpptr;
rrpriv->tx_ring_dma = ring_dma;
@@ -164,7 +161,8 @@
goto out;
}
- tmpptr = pci_alloc_consistent(pdev, RX_TOTAL_SIZE, &ring_dma);
+ tmpptr = dma_alloc_coherent(&pdev->dev, RX_TOTAL_SIZE, &ring_dma,
+ GFP_KERNEL);
rrpriv->rx_ring = tmpptr;
rrpriv->rx_ring_dma = ring_dma;
@@ -173,7 +171,8 @@
goto out;
}
- tmpptr = pci_alloc_consistent(pdev, EVT_RING_SIZE, &ring_dma);
+ tmpptr = dma_alloc_coherent(&pdev->dev, EVT_RING_SIZE, &ring_dma,
+ GFP_KERNEL);
rrpriv->evt_ring = tmpptr;
rrpriv->evt_ring_dma = ring_dma;
@@ -202,14 +201,14 @@
out:
if (rrpriv->evt_ring)
- pci_free_consistent(pdev, EVT_RING_SIZE, rrpriv->evt_ring,
- rrpriv->evt_ring_dma);
+ dma_free_coherent(&pdev->dev, EVT_RING_SIZE, rrpriv->evt_ring,
+ rrpriv->evt_ring_dma);
if (rrpriv->rx_ring)
- pci_free_consistent(pdev, RX_TOTAL_SIZE, rrpriv->rx_ring,
- rrpriv->rx_ring_dma);
+ dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE, rrpriv->rx_ring,
+ rrpriv->rx_ring_dma);
if (rrpriv->tx_ring)
- pci_free_consistent(pdev, TX_TOTAL_SIZE, rrpriv->tx_ring,
- rrpriv->tx_ring_dma);
+ dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, rrpriv->tx_ring,
+ rrpriv->tx_ring_dma);
if (rrpriv->regs)
pci_iounmap(pdev, rrpriv->regs);
if (pdev)
@@ -232,12 +231,12 @@
}
unregister_netdev(dev);
- pci_free_consistent(pdev, EVT_RING_SIZE, rr->evt_ring,
- rr->evt_ring_dma);
- pci_free_consistent(pdev, RX_TOTAL_SIZE, rr->rx_ring,
- rr->rx_ring_dma);
- pci_free_consistent(pdev, TX_TOTAL_SIZE, rr->tx_ring,
- rr->tx_ring_dma);
+ dma_free_coherent(&pdev->dev, EVT_RING_SIZE, rr->evt_ring,
+ rr->evt_ring_dma);
+ dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE, rr->rx_ring,
+ rr->rx_ring_dma);
+ dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, rr->tx_ring,
+ rr->tx_ring_dma);
pci_iounmap(pdev, rr->regs);
pci_release_regions(pdev);
pci_disable_device(pdev);
@@ -652,8 +651,8 @@
goto error;
}
rrpriv->rx_skbuff[i] = skb;
- addr = pci_map_single(rrpriv->pci_dev, skb->data,
- dev->mtu + HIPPI_HLEN, PCI_DMA_FROMDEVICE);
+ addr = dma_map_single(&rrpriv->pci_dev->dev, skb->data,
+ dev->mtu + HIPPI_HLEN, DMA_FROM_DEVICE);
/*
* Sanity test to see if we conflict with the DMA
* limitations of the Roadrunner.
@@ -703,10 +702,10 @@
struct sk_buff *skb = rrpriv->rx_skbuff[i];
if (skb) {
- pci_unmap_single(rrpriv->pci_dev,
+ dma_unmap_single(&rrpriv->pci_dev->dev,
rrpriv->rx_ring[i].addr.addrlo,
dev->mtu + HIPPI_HLEN,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
rrpriv->rx_ring[i].size = 0;
set_rraddr(&rrpriv->rx_ring[i].addr, 0);
dev_kfree_skb(skb);
@@ -957,18 +956,18 @@
dev->stats.rx_dropped++;
goto defer;
} else {
- pci_dma_sync_single_for_cpu(rrpriv->pci_dev,
- desc->addr.addrlo,
- pkt_len,
- PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_cpu(&rrpriv->pci_dev->dev,
+ desc->addr.addrlo,
+ pkt_len,
+ DMA_FROM_DEVICE);
skb_put_data(skb, rx_skb->data,
pkt_len);
- pci_dma_sync_single_for_device(rrpriv->pci_dev,
- desc->addr.addrlo,
- pkt_len,
- PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_device(&rrpriv->pci_dev->dev,
+ desc->addr.addrlo,
+ pkt_len,
+ DMA_FROM_DEVICE);
}
}else{
struct sk_buff *newskb;
@@ -978,16 +977,17 @@
if (newskb){
dma_addr_t addr;
- pci_unmap_single(rrpriv->pci_dev,
- desc->addr.addrlo, dev->mtu +
- HIPPI_HLEN, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&rrpriv->pci_dev->dev,
+ desc->addr.addrlo,
+ dev->mtu + HIPPI_HLEN,
+ DMA_FROM_DEVICE);
skb = rx_skb;
skb_put(skb, pkt_len);
rrpriv->rx_skbuff[index] = newskb;
- addr = pci_map_single(rrpriv->pci_dev,
- newskb->data,
- dev->mtu + HIPPI_HLEN,
- PCI_DMA_FROMDEVICE);
+ addr = dma_map_single(&rrpriv->pci_dev->dev,
+ newskb->data,
+ dev->mtu + HIPPI_HLEN,
+ DMA_FROM_DEVICE);
set_rraddr(&desc->addr, addr);
} else {
printk("%s: Out of memory, deferring "
@@ -1072,9 +1072,9 @@
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
- pci_unmap_single(rrpriv->pci_dev,
+ dma_unmap_single(&rrpriv->pci_dev->dev,
desc->addr.addrlo, skb->len,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
dev_kfree_skb_irq(skb);
rrpriv->tx_skbuff[txcon] = NULL;
@@ -1114,8 +1114,9 @@
if (skb) {
struct tx_desc *desc = &(rrpriv->tx_ring[i]);
- pci_unmap_single(rrpriv->pci_dev, desc->addr.addrlo,
- skb->len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&rrpriv->pci_dev->dev,
+ desc->addr.addrlo, skb->len,
+ DMA_TO_DEVICE);
desc->size = 0;
set_rraddr(&desc->addr, 0);
dev_kfree_skb(skb);
@@ -1136,8 +1137,10 @@
if (skb) {
struct rx_desc *desc = &(rrpriv->rx_ring[i]);
- pci_unmap_single(rrpriv->pci_dev, desc->addr.addrlo,
- dev->mtu + HIPPI_HLEN, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&rrpriv->pci_dev->dev,
+ desc->addr.addrlo,
+ dev->mtu + HIPPI_HLEN,
+ DMA_FROM_DEVICE);
desc->size = 0;
set_rraddr(&desc->addr, 0);
dev_kfree_skb(skb);
@@ -1192,24 +1195,22 @@
goto error;
}
- rrpriv->rx_ctrl = pci_alloc_consistent(pdev,
- 256 * sizeof(struct ring_ctrl),
- &dma_addr);
+ rrpriv->rx_ctrl = dma_alloc_coherent(&pdev->dev,
+ 256 * sizeof(struct ring_ctrl),
+ &dma_addr, GFP_KERNEL);
if (!rrpriv->rx_ctrl) {
ecode = -ENOMEM;
goto error;
}
rrpriv->rx_ctrl_dma = dma_addr;
- memset(rrpriv->rx_ctrl, 0, 256*sizeof(struct ring_ctrl));
- rrpriv->info = pci_alloc_consistent(pdev, sizeof(struct rr_info),
- &dma_addr);
+ rrpriv->info = dma_alloc_coherent(&pdev->dev, sizeof(struct rr_info),
+ &dma_addr, GFP_KERNEL);
if (!rrpriv->info) {
ecode = -ENOMEM;
goto error;
}
rrpriv->info_dma = dma_addr;
- memset(rrpriv->info, 0, sizeof(struct rr_info));
wmb();
spin_lock_irqsave(&rrpriv->lock, flags);
@@ -1243,13 +1244,13 @@
spin_unlock_irqrestore(&rrpriv->lock, flags);
if (rrpriv->info) {
- pci_free_consistent(pdev, sizeof(struct rr_info), rrpriv->info,
- rrpriv->info_dma);
+ dma_free_coherent(&pdev->dev, sizeof(struct rr_info),
+ rrpriv->info, rrpriv->info_dma);
rrpriv->info = NULL;
}
if (rrpriv->rx_ctrl) {
- pci_free_consistent(pdev, 256 * sizeof(struct ring_ctrl),
- rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma);
+ dma_free_coherent(&pdev->dev, 256 * sizeof(struct ring_ctrl),
+ rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma);
rrpriv->rx_ctrl = NULL;
}
@@ -1298,11 +1299,11 @@
if (rrpriv->tx_skbuff[cons]){
len = min_t(int, 0x80, rrpriv->tx_skbuff[cons]->len);
printk("skbuff for cons %i is valid - dumping data (0x%x bytes - skbuff len 0x%x)\n", cons, len, rrpriv->tx_skbuff[cons]->len);
- printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %08lx, truesize 0x%x\n",
+ printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %p, truesize 0x%x\n",
rrpriv->tx_ring[cons].mode,
rrpriv->tx_ring[cons].size,
(unsigned long long) rrpriv->tx_ring[cons].addr.addrlo,
- (unsigned long)rrpriv->tx_skbuff[cons]->data,
+ rrpriv->tx_skbuff[cons]->data,
(unsigned int)rrpriv->tx_skbuff[cons]->truesize);
for (i = 0; i < len; i++){
if (!(i & 7))
@@ -1352,7 +1353,9 @@
rrpriv->fw_running = 0;
+ spin_unlock_irqrestore(&rrpriv->lock, flags);
del_timer_sync(&rrpriv->timer);
+ spin_lock_irqsave(&rrpriv->lock, flags);
writel(0, ®s->TxPi);
writel(0, ®s->IpRxPi);
@@ -1371,12 +1374,12 @@
rr_raz_tx(rrpriv, dev);
rr_raz_rx(rrpriv, dev);
- pci_free_consistent(pdev, 256 * sizeof(struct ring_ctrl),
- rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma);
+ dma_free_coherent(&pdev->dev, 256 * sizeof(struct ring_ctrl),
+ rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma);
rrpriv->rx_ctrl = NULL;
- pci_free_consistent(pdev, sizeof(struct rr_info), rrpriv->info,
- rrpriv->info_dma);
+ dma_free_coherent(&pdev->dev, sizeof(struct rr_info), rrpriv->info,
+ rrpriv->info_dma);
rrpriv->info = NULL;
spin_unlock_irqrestore(&rrpriv->lock, flags);
@@ -1436,8 +1439,8 @@
index = txctrl->pi;
rrpriv->tx_skbuff[index] = skb;
- set_rraddr(&rrpriv->tx_ring[index].addr, pci_map_single(
- rrpriv->pci_dev, skb->data, len + 8, PCI_DMA_TODEVICE));
+ set_rraddr(&rrpriv->tx_ring[index].addr,
+ dma_map_single(&rrpriv->pci_dev->dev, skb->data, len + 8, DMA_TO_DEVICE));
rrpriv->tx_ring[index].size = len + 8; /* include IFIELD */
rrpriv->tx_ring[index].mode = PACKET_START | PACKET_END;
txctrl->pi = (index + 1) % TX_RING_ENTRIES;
--
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