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Add native vlynq support to the old acx driver (#2864) 

SVN-Revision: 10102
owl
Florian Fainelli 2008-01-04 02:10:09 +00:00
parent 50c077affb
commit 4dc872d27d
1 changed files with 557 additions and 0 deletions
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557
package/acx/patches/003-native_vlynq.patch Normal file
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@ -0,0 +1,557 @@
Binary files acx-20071003/.pci.c.swp and acx-20071003.new/.pci.c.swp differ
diff -urN acx-20071003/acx_struct.h acx-20071003.new/acx_struct.h
--- acx-20071003/acx_struct.h 2007-10-03 17:42:18.000000000 +0200
+++ acx-20071003.new/acx_struct.h 2008-01-04 02:06:43.000000000 +0100
@@ -1440,7 +1440,13 @@
const u16 *io; /* points to ACX100 or ACX111 PCI I/O register address set */
+#ifdef CONFIG_PCI
struct pci_dev *pdev;
+#endif
+#ifdef CONFIG_VLYNQ
+ struct vlynq_device *vdev;
+#endif
+ struct device *bus_dev;
unsigned long membase;
unsigned long membase2;
diff -urN acx-20071003/pci.c acx-20071003.new/pci.c
--- acx-20071003/pci.c 2008-01-04 02:05:00.000000000 +0100
+++ acx-20071003.new/pci.c 2008-01-04 03:10:42.000000000 +0100
@@ -59,12 +59,17 @@
#include <linux/pm.h>
#include <linux/vmalloc.h>
#include <linux/dma-mapping.h>
+#ifdef CONFIG_VLYNQ
+#include <linux/vlynq.h>
+#endif
+
#include "acx.h"
/***********************************************************************
*/
+#ifdef CONFIG_PCI
#define PCI_TYPE (PCI_USES_MEM | PCI_ADDR0 | PCI_NO_ACPI_WAKE)
#define PCI_ACX100_REGION1 0x01
#define PCI_ACX100_REGION1_SIZE 0x1000 /* Memory size - 4K bytes */
@@ -102,7 +107,7 @@
#define PCI_POWER_ERROR -1
#endif
-
+#endif
/***********************************************************************
*/
static void acxpci_i_tx_timeout(struct net_device *ndev);
@@ -653,11 +658,11 @@
snprintf(filename, sizeof(filename), "tiacx1%02dc%02X",
IS_ACX111(adev)*11, adev->radio_type);
- fw_image = acx_s_read_fw(&adev->pdev->dev, filename, &file_size);
+ fw_image = acx_s_read_fw(adev->bus_dev, filename, &file_size);
if (!fw_image) {
adev->need_radio_fw = 1;
filename[sizeof("tiacx1NN")-1] = '\0';
- fw_image = acx_s_read_fw(&adev->pdev->dev, filename, &file_size);
+ fw_image = acx_s_read_fw(adev->bus_dev, filename, &file_size);
if (!fw_image) {
FN_EXIT1(NOT_OK);
return NOT_OK;
@@ -716,7 +721,7 @@
snprintf(filename, sizeof(filename), "tiacx1%02dr%02X",
IS_ACX111(adev)*11,
adev->radio_type);
- radio_image = acx_s_read_fw(&adev->pdev->dev, filename, &size);
+ radio_image = acx_s_read_fw(adev->bus_dev, filename, &size);
if (!radio_image) {
printk("acx: can't load radio module '%s'\n", filename);
goto fail;
@@ -933,7 +938,9 @@
ecpu_ctrl = read_reg16(adev, IO_ACX_ECPU_CTRL) & 1;
if (!ecpu_ctrl) {
+#ifdef CONFIG_PCI
acxpci_l_reset_mac(adev);
+#endif
ecpu_ctrl = read_reg16(adev, IO_ACX_ECPU_CTRL) & 1;
}
@@ -1473,6 +1480,7 @@
static void
dummy_netdev_init(struct net_device *ndev) {}
+#ifdef CONFIG_PCI
static int __devinit
acxpci_e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
@@ -1606,6 +1614,7 @@
** just _presume_ that we're under sem (instead of actually taking it): */
/* acx_sem_lock(adev); */
adev->pdev = pdev;
+ adev->bus_dev = &pdev->dev;
adev->ndev = ndev;
adev->dev_type = DEVTYPE_PCI;
adev->chip_type = chip_type;
@@ -1956,7 +1965,7 @@
return OK;
}
#endif /* CONFIG_PM */
-
+#endif /* CONFIG_PCI */
/***********************************************************************
** acxpci_s_up
@@ -2051,7 +2060,7 @@
/* then wait until interrupts have finished executing on other CPUs */
acx_lock(adev, flags);
disable_acx_irq(adev);
- synchronize_irq(adev->pdev->irq);
+ synchronize_irq(adev->irq);
acx_unlock(adev, flags);
/* we really don't want to have an asynchronous tasklet disturb us
@@ -3573,9 +3582,8 @@
{
void *ptr;
- ptr = dma_alloc_coherent(adev->pdev ? &adev->pdev->dev : NULL,
- size, phy, GFP_KERNEL);
-
+ ptr = dma_alloc_coherent(adev->bus_dev, size, phy, GFP_KERNEL);
+
if (ptr) {
log(L_DEBUG, "%s sz=%d adr=0x%p phy=0x%08llx\n",
msg, (int)size, ptr, (unsigned long long)*phy);
@@ -4137,6 +4145,379 @@
}
+#ifdef CONFIG_VLYNQ
+struct vlynq_reg_config {
+ u32 offset;
+ u32 value;
+};
+
+struct vlynq_known {
+ u32 chip_id;
+ char name[32];
+ struct vlynq_mapping rx_mapping[4];
+ int irq;
+ int irq_type;
+ int num_regs;
+ struct vlynq_reg_config regs[10];
+};
+
+#define CHIP_TNETW1130 0x00000009
+#define CHIP_TNETW1350 0x00000029
+static struct vlynq_known known_devices[] = {
+ {
+ .chip_id = CHIP_TNETW1130, .name = "TI TNETW1130",
+ .rx_mapping = {
+ { .size = 0x22000, .offset = 0xf0000000 },
+ { .size = 0x40000, .offset = 0xc0000000 },
+ { .size = 0x0, .offset = 0x0 },
+ { .size = 0x0, .offset = 0x0 },
+ },
+ .irq = 0,
+ .irq_type = IRQ_TYPE_EDGE_RISING,
+ .num_regs = 5,
+ .regs = {
+ {
+ .offset = 0x790,
+ .value = (0xd0000000 - PHYS_OFFSET)
+ },
+ {
+ .offset = 0x794,
+ .value = (0xd0000000 - PHYS_OFFSET)
+ },
+ { .offset = 0x740, .value = 0 },
+ { .offset = 0x744, .value = 0x00010000 },
+ { .offset = 0x764, .value = 0x00010000 },
+ },
+ },
+ {
+ .chip_id = CHIP_TNETW1350, .name = "TI TNETW1350",
+ .rx_mapping = {
+ { .size = 0x100000, .offset = 0x00300000 },
+ { .size = 0x80000, .offset = 0x00000000 },
+ { .size = 0x0, .offset = 0x0 },
+ { .size = 0x0, .offset = 0x0 },
+ },
+ .irq = 0,
+ .irq_type = IRQ_TYPE_EDGE_RISING,
+ .num_regs = 5,
+ .regs = {
+ {
+ .offset = 0x790,
+ .value = (0x60000000 - PHYS_OFFSET)
+ },
+ {
+ .offset = 0x794,
+ .value = (0x60000000 - PHYS_OFFSET)
+ },
+ { .offset = 0x740, .value = 0 },
+ { .offset = 0x744, .value = 0x00010000 },
+ { .offset = 0x764, .value = 0x00010000 },
+ },
+ },
+};
+
+static struct vlynq_device_id acx_vlynq_id[] = {
+ { CHIP_TNETW1130, vlynq_div_auto, 0 },
+ { CHIP_TNETW1350, vlynq_div_auto, 1 },
+ { 0, 0, 0 },
+};
+
+static __devinit int vlynq_probe(struct vlynq_device *vdev,
+ struct vlynq_device_id *id)
+{
+ int result = -EIO, i;
+ u32 addr;
+ acx_device_t *adev = NULL;
+ struct net_device *ndev = NULL;
+ acx111_ie_configoption_t co;
+ struct vlynq_mapping mapping[4] = { { 0, }, };
+ struct vlynq_known *match = NULL;
+ int err;
+
+ FN_ENTER;
+ result = vlynq_enable_device(vdev);
+ if (result)
+ return result;
+
+ match = &known_devices[id->driver_data];
+
+ if (!match) {
+ result = -ENODEV;
+ goto fail;
+ }
+
+ mapping[0].offset = ARCH_PFN_OFFSET << PAGE_SHIFT;
+ mapping[0].size = 0x02000000;
+ vlynq_set_local_mapping(vdev, vdev->mem_start, mapping);
+ vlynq_set_remote_mapping(vdev, 0, match->rx_mapping);
+
+ set_irq_type(vlynq_virq_to_irq(vdev, match->irq), match->irq_type);
+
+ addr = (u32)ioremap(vdev->mem_start, 0x1000);
+ if (!addr) {
+ printk(KERN_ERR "%s: failed to remap io memory\n",
+ vdev->dev.bus_id);
+ result = -ENXIO;
+ goto fail;
+ }
+
+ for (i = 0; i < match->num_regs; i++)
+ iowrite32(match->regs[i].value,
+ (u32 *)(addr + match->regs[i].offset));
+
+ iounmap((void *)addr);
+
+ ndev = alloc_netdev(sizeof(*adev), "wlan%d", dummy_netdev_init);
+ /* (NB: memsets to 0 entire area) */
+ if (!ndev) {
+ printk("acx: no memory for netdevice struct\n");
+ goto fail_alloc_netdev;
+ }
+ ether_setup(ndev);
+ ndev->open = &acxpci_e_open;
+ ndev->stop = &acxpci_e_close;
+ ndev->hard_start_xmit = &acx_i_start_xmit;
+ ndev->get_stats = &acx_e_get_stats;
+#if IW_HANDLER_VERSION <= 5
+ ndev->get_wireless_stats = &acx_e_get_wireless_stats;
+#endif
+ ndev->wireless_handlers = (struct iw_handler_def *)&acx_ioctl_handler_def;
+ ndev->set_multicast_list = &acxpci_i_set_multicast_list;
+ ndev->tx_timeout = &acxpci_i_tx_timeout;
+ ndev->change_mtu = &acx_e_change_mtu;
+ ndev->watchdog_timeo = 4 * HZ;
+
+ adev = ndev2adev(ndev);
+
+ memset(adev, 0, sizeof(*adev));
+ /** Set up our private interface **/
+ spin_lock_init(&adev->lock); /* initial state: unlocked */
+ /* We do not start with downed sem: we want PARANOID_LOCKING to work */
+ sema_init(&adev->sem, 1);
+ /* since nobody can see new netdev yet, we can as well
+ ** just _presume_ that we're under sem (instead of actually taking it): */
+ /* acx_sem_lock(adev); */
+ adev->ndev = ndev;
+ adev->vdev = vdev;
+ adev->bus_dev = &vdev->dev;
+ adev->dev_type = DEVTYPE_PCI;
+
+/** Finished with private interface **/
+
+ vlynq_set_drvdata(vdev, ndev);
+ if (!request_mem_region(vdev->mem_start, vdev->mem_end - vdev->mem_start, "acx")) {
+ printk("acx: cannot reserve VLYNQ memory region\n");
+ goto fail_request_mem_region;
+ }
+ adev->iobase = ioremap(vdev->mem_start, vdev->mem_end - vdev->mem_start);
+ if (!adev->iobase) {
+ printk("acx: ioremap() FAILED\n");
+ goto fail_ioremap;
+ }
+ adev->iobase2 = adev->iobase + match->rx_mapping[0].size;
+ adev->chip_type = CHIPTYPE_ACX111;
+ adev->chip_name = match->name;
+ adev->io = IO_ACX111;
+ ndev->irq = vlynq_virq_to_irq(vdev, match->irq);
+ ndev->base_addr = adev->iobase;
+
+ printk("acx: found %s-based wireless network card at %s, irq:%d, "
+ "phymem:0x%x, mem:0x%p\n",
+ match->name, vdev->dev.bus_id, ndev->irq,
+ vdev->mem_start, adev->iobase);
+ log(L_ANY, "initial debug setting is 0x%04X\n", acx_debug);
+
+ if (0 == ndev->irq) {
+ printk("acx: can't use IRQ 0\n");
+ goto fail_irq;
+ }
+
+ /* to find crashes due to weird driver access
+ * to unconfigured interface (ifup) */
+ adev->mgmt_timer.function = (void (*)(unsigned long))0x0000dead;
+#ifdef NONESSENTIAL_FEATURES
+ acx_show_card_eeprom_id(adev);
+#endif /* NONESSENTIAL_FEATURES */
+
+#ifdef SET_MODULE_OWNER
+ SET_MODULE_OWNER(ndev);
+#endif
+ SET_NETDEV_DEV(ndev, adev->bus_dev);
+
+ log(L_IRQ|L_INIT, "using IRQ %d\n", ndev->irq);
+
+
+ /* ok, pci setup is finished, now start initializing the card */
+
+ /* NB: read_reg() reads may return bogus data before reset_dev(),
+ * since the firmware which directly controls large parts of the I/O
+ * registers isn't initialized yet.
+ * acx100 seems to be more affected than acx111 */
+ if (OK != acxpci_s_reset_dev(adev))
+ goto fail_reset;
+
+ if (OK != acx_s_init_mac(adev))
+ goto fail_init_mac;
+
+ acx_s_interrogate(adev, &co, ACX111_IE_CONFIG_OPTIONS);
+/* TODO: merge them into one function, they are called just once and are the same for pci & usb */
+ if (OK != acxpci_read_eeprom_byte(adev, 0x05, &adev->eeprom_version))
+ goto fail_read_eeprom_version;
+
+ acx_s_parse_configoption(adev, &co);
+ acx_s_set_defaults(adev);
+ acx_s_get_firmware_version(adev); /* needs to be after acx_s_init_mac() */
+ acx_display_hardware_details(adev);
+
+ /* Register the card, AFTER everything else has been set up,
+ * since otherwise an ioctl could step on our feet due to
+ * firmware operations happening in parallel or uninitialized data */
+
+
+ acx_proc_register_entries(ndev);
+
+ /* Now we have our device, so make sure the kernel doesn't try
+ * to send packets even though we're not associated to a network yet */
+ acx_stop_queue(ndev, "on probe");
+ acx_carrier_off(ndev, "on probe");
+
+ /* after register_netdev() userspace may start working with dev
+ * (in particular, on other CPUs), we only need to up the sem */
+ /* acx_sem_unlock(adev); */
+
+ printk("acx " ACX_RELEASE ": net device %s, driver compiled "
+ "against wireless extensions %d and Linux %s\n",
+ ndev->name, WIRELESS_EXT, UTS_RELEASE);
+
+ log(L_IRQ | L_INIT, "using IRQ %d\n", ndev->irq);
+
+/** done with board specific setup **/
+ err = register_netdev(ndev);
+ if (OK != err) {
+ printk("acx: register_netdev() FAILED: %d\n", err);
+ goto fail_register_netdev;
+ }
+
+#if CMD_DISCOVERY
+ great_inquisitor(adev);
+#endif
+
+ result = OK;
+ goto done;
+
+ /* error paths: undo everything in reverse order... */
+
+
+ acxpci_s_delete_dma_regions(adev);
+
+ fail_init_mac:
+ fail_read_eeprom_version:
+ fail_reset:
+ free_netdev(ndev);
+
+ fail_alloc_netdev:
+ fail_irq:
+
+ iounmap(adev->iobase);
+ fail_ioremap:
+
+ release_mem_region(vdev->mem_start, vdev->mem_end - vdev->mem_start);
+ fail_request_mem_region:
+ fail_register_netdev:
+ fail:
+ vlynq_disable_device(vdev);
+ done:
+ FN_EXIT1(result);
+ return result;
+}
+
+static void vlynq_remove(struct vlynq_device *vdev)
+{
+ struct net_device *ndev = vlynq_get_drvdata(vdev);;
+ acx_device_t *adev;
+ unsigned long flags;
+ FN_ENTER;
+
+ if (!ndev) {
+ log(L_DEBUG, "%s: card is unused. Skipping any release code\n",
+ __func__);
+ goto end;
+ }
+
+ acx_lock(adev, flags);
+ adev = ndev2adev(ndev);
+ acx_unlock(adev, flags);
+
+ /* If device wasn't hot unplugged... */
+ if (adev_present(adev)) {
+
+ acx_sem_lock(adev);
+
+ /* disable both Tx and Rx to shut radio down properly */
+ acx_s_issue_cmd(adev, ACX1xx_CMD_DISABLE_TX, NULL, 0);
+ acx_s_issue_cmd(adev, ACX1xx_CMD_DISABLE_RX, NULL, 0);
+ acx_lock(adev, flags);
+ /* disable power LED to save power :-) */
+ log(L_INIT, "switching off power LED to save power\n");
+ acxpci_l_power_led(adev, 0);
+ /* stop our eCPU */
+ acx_unlock(adev, flags);
+
+ acx_sem_unlock(adev);
+ }
+
+ /* unregister the device to not let the kernel
+ * (e.g. ioctls) access a half-deconfigured device
+ * NB: this will cause acxpci_e_close() to be called,
+ * thus we shouldn't call it under sem! */
+ log(L_INIT, "removing device %s\n", ndev->name);
+ unregister_netdev(ndev);
+
+ /* unregister_netdev ensures that no references to us left.
+ * For paranoid reasons we continue to follow the rules */
+ acx_sem_lock(adev);
+
+
+ if (adev->dev_state_mask & ACX_STATE_IFACE_UP) {
+ acxpci_s_down(ndev);
+ CLEAR_BIT(adev->dev_state_mask, ACX_STATE_IFACE_UP);
+ }
+
+ acx_proc_unregister_entries(ndev);
+
+ /* finally, clean up PCI bus state */
+ acxpci_s_delete_dma_regions(adev);
+ if (adev->iobase)
+ iounmap(adev->iobase);
+ if (adev->iobase2)
+ iounmap(adev->iobase2);
+ release_mem_region(vdev->mem_start, vdev->mem_end - vdev->mem_start);
+
+ /* remove dev registration */
+
+ acx_sem_unlock(adev);
+ vlynq_disable_device(vdev);
+
+ /* Free netdev (quite late,
+ * since otherwise we might get caught off-guard
+ * by a netdev timeout handler execution
+ * expecting to see a working dev...) */
+ free_netdev(ndev);
+
+ end:
+ FN_EXIT0;
+}
+
+static struct vlynq_driver vlynq_acx = {
+ .name = "acx_vlynq",
+ .id_table = acx_vlynq_id,
+ .probe = vlynq_probe,
+ .remove = __devexit_p(vlynq_remove),
+};
+#endif
+
+
+#ifdef CONFIG_PCI
/***********************************************************************
** Data for init_module/cleanup_module
*/
@@ -4192,7 +4573,7 @@
.resume = acxpci_e_resume
#endif /* CONFIG_PM */
};
-
+#endif /* CONFIG_PCI */
/***********************************************************************
** acxpci_e_init_module
@@ -4202,7 +4583,7 @@
int __init
acxpci_e_init_module(void)
{
- int res;
+ int res = 0;
FN_ENTER;
@@ -4222,11 +4603,15 @@
#endif
log(L_INIT,
"acx: " ENDIANNESS_STRING
- "acx: PCI module " ACX_RELEASE " initialized, "
+ "acx: PCI/VLYNQ module " ACX_RELEASE " initialized, "
"waiting for cards to probe...\n"
);
-
+#ifdef CONFIG_PCI
res = pci_register_driver(&acxpci_drv_id);
+#endif
+#ifdef CONFIG_VLYNQ
+ res = vlynq_register_driver(&vlynq_acx);
+#endif
FN_EXIT1(res);
return res;
}
@@ -4242,8 +4627,13 @@
acxpci_e_cleanup_module(void)
{
FN_ENTER;
+#ifdef CONFIG_VLYNQ
+ vlynq_unregister_driver(&vlynq_acx);
+#endif
+#ifdef CONFIG_PCI
pci_unregister_driver(&acxpci_drv_id);
+#endif
FN_EXIT0;
}