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Date: Wed, 24 Sep 2014 13:02:01 +0200
From: Michael Grzeschik <m.grzeschik@...gutronix.de>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: [PATCH 3/5] ARCNET: add com20020 PCI IDs with metadata
This patch adds metadata for the com20020 to prepare for devices with
multiple io address areas with multi card interfaces.
Signed-off-by: Michael Grzeschik <m.grzeschik@...gutronix.de>
---
drivers/net/arcnet/com20020-pci.c | 216 ++++++++++++++++++++++++++++++++------
include/linux/com20020.h | 16 +++
2 files changed, 197 insertions(+), 35 deletions(-)
diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c
index cbc44f5..d08d539 100644
--- a/drivers/net/arcnet/com20020-pci.c
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -63,6 +63,8 @@ MODULE_LICENSE("GPL");
static int com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
+ struct com20020_pci_channel_map *cm;
+ struct com20020_pci_card_info *ci;
struct net_device *dev;
struct arcnet_local *lp;
int ioaddr, err;
@@ -75,19 +77,15 @@ static int com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
dev->netdev_ops = &com20020_netdev_ops;
+ ci = (struct com20020_pci_card_info *)id->driver_data;
+
lp = netdev_priv(dev);
pci_set_drvdata(pdev, dev);
- // SOHARD needs PCI base addr 4
- if (pdev->vendor==0x10B5) {
- BUGMSG(D_NORMAL, "SOHARD\n");
- ioaddr = pci_resource_start(pdev, 4);
- }
- else {
- BUGMSG(D_NORMAL, "Contemporary Controls\n");
- ioaddr = pci_resource_start(pdev, 2);
- }
+ cm = &ci->chan_map_tbl[0];
+ BUGMSG(D_NORMAL, "%s Controls\n", ci->name);
+ ioaddr = pci_resource_start(pdev, cm->bar);
if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com20020-pci")) {
BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n",
@@ -105,7 +103,7 @@ static int com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
dev->irq = pdev->irq;
dev->dev_addr[0] = node;
lp->card_name = "PCI COM20020";
- lp->card_flags = id->driver_data;
+ lp->card_flags = ci->flags;
lp->backplane = backplane;
lp->clockp = clockp & 7;
lp->clockm = clockm & 3;
@@ -144,32 +142,180 @@ static void com20020pci_remove(struct pci_dev *pdev)
free_netdev(dev);
}
+static struct com20020_pci_card_info card_info_10mbit = {
+ .name = "ARC-PCI",
+ .devcount = 1,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
+static struct com20020_pci_card_info card_info_5mbit = {
+ .name = "ARC-PCI",
+ .devcount = 1,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ },
+ .flags = ARC_IS_5MBIT,
+};
+
+static struct com20020_pci_card_info card_info_sohard = {
+ .name = "PLX-PCI",
+ .devcount = 1,
+ /* SOHARD needs PCI base addr 4 */
+ .chan_map_tbl = {
+ {4, 0x00, 0x08},
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
static DEFINE_PCI_DEVICE_TABLE(com20020pci_id_table) = {
- { 0x1571, 0xa001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0x1571, 0xa009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
- { 0x1571, 0xa00a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
- { 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
- { 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
- { 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
- { 0x1571, 0xa00e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
- { 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x10B5, 0x9030, 0x10B5, 0x2978, 0, 0, ARC_CAN_10MBIT },
- { 0x10B5, 0x9050, 0x10B5, 0x2273, 0, 0, ARC_CAN_10MBIT },
- { 0x14BA, 0x6000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- { 0x10B5, 0x2200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
- {0,}
+ {
+ 0x1571, 0xa001,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0,
+ },
+ {
+ 0x1571, 0xa002,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0,
+ },
+ {
+ 0x1571, 0xa003,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa004,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0,
+ },
+ {
+ 0x1571, 0xa005,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa006,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa007,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa008,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa009,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00a,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00b,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00c,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00d,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00e,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa201,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa202,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa203,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa204,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa205,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa206,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x10B5, 0x9030,
+ 0x10B5, 0x2978,
+ 0, 0,
+ (kernel_ulong_t)&card_info_sohard
+ },
+ {
+ 0x10B5, 0x9050,
+ 0x10B5, 0x2273,
+ 0, 0,
+ (kernel_ulong_t)&card_info_sohard
+ },
+ {
+ 0x14BA, 0x6000,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x10B5, 0x2200,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ { 0, }
};
MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
diff --git a/include/linux/com20020.h b/include/linux/com20020.h
index 5dcfb94..6a1ceca 100644
--- a/include/linux/com20020.h
+++ b/include/linux/com20020.h
@@ -41,6 +41,22 @@ extern const struct net_device_ops com20020_netdev_ops;
#define BUS_ALIGN 1
#endif
+#define PLX_PCI_MAX_CARDS 1
+
+struct com20020_pci_channel_map {
+ u32 bar;
+ u32 offset;
+ u32 size; /* 0x00 - auto, e.g. length of entire bar */
+};
+
+struct com20020_pci_card_info {
+ const char *name;
+ int devcount;
+
+ struct com20020_pci_channel_map chan_map_tbl[PLX_PCI_MAX_CARDS];
+
+ unsigned int flags;
+};
#define _INTMASK (ioaddr+BUS_ALIGN*0) /* writable */
#define _STATUS (ioaddr+BUS_ALIGN*0) /* readable */
--
2.1.0
--
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