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openwrtv4/package/acx-mac80211/patches/002-acx_vlynq.diff
Eugene Konev 428f141c9f no need to free_irq in remove, done in close 
SVN-Revision: 9183
2007-10-08 03:40:51 +00:00

555 lines
15 KiB
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Raw Blame History

diff -Nru 1/acx_struct.h 2/acx_struct.h
--- 1/acx_struct.h 2007-10-03 23:42:39.000000000 +0800
+++ 2/acx_struct.h 2007-10-06 01:15:32.000000000 +0800
@@ -1425,7 +1425,13 @@
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 -Nru 1/pci.c 2/pci.c
--- 1/pci.c 2007-10-03 23:42:39.000000000 +0800
+++ 2/pci.c 2007-10-06 01:15:32.000000000 +0800
@@ -33,11 +33,15 @@
#include <linux/ethtool.h>
#include <linux/dma-mapping.h>
#include <linux/workqueue.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 */
@@ -74,7 +78,7 @@
#define PCI_UNKNOWN 5
#define PCI_POWER_ERROR -1
#endif
-
+#endif /* CONFIG_PCI */
/***********************************************************************
*/
@@ -87,12 +91,6 @@
static void acxpci_s_up(struct ieee80211_hw *hw);
static void acxpci_s_down(struct ieee80211_hw *hw);
-void acxpci_put_devname(acx_device_t *adev, struct ethtool_drvinfo *info)
-{
-
- strncpy(info->bus_info,pci_name(adev->pdev), ETHTOOL_BUSINFO_LEN);
-}
-
/***********************************************************************
** Register access
**
@@ -605,12 +603,12 @@
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);
+ acx_s_read_fw(adev->bus_dev, filename, &file_size);
if (!fw_image) {
FN_EXIT1(NOT_OK);
return NOT_OK;
@@ -670,7 +668,7 @@
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;
@@ -886,7 +884,9 @@
acx_lock(adev, flags);
+#ifdef CONFIG_PCI
acxpci_l_reset_mac(adev);
+#endif
ecpu_ctrl = read_reg16(adev, IO_ACX_ECPU_CTRL) & 1;
if (!ecpu_ctrl) {
@@ -1426,6 +1426,7 @@
};
+#ifdef CONFIG_PCI
static int __devinit
acxpci_e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
@@ -1477,6 +1478,7 @@
/* acx_sem_lock(adev); */
adev->ieee = ieee;
adev->pdev = pdev;
+ adev->bus_dev = &pdev->dev;
adev->dev_type = DEVTYPE_PCI;
/** Finished with private interface **/
@@ -1916,7 +1918,7 @@
return OK;
}
#endif /* CONFIG_PM */
-
+#endif /* CONFIG_PCI */
/***********************************************************************
** acxpci_s_up
@@ -1998,7 +2000,7 @@
/* 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
@@ -3449,8 +3451,7 @@
{
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",
@@ -4016,10 +4017,370 @@
return OK;
}
+#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;
+ struct ieee80211_hw *ieee;
+ acx_device_t *adev = NULL;
+ acx111_ie_configoption_t co;
+ struct vlynq_mapping mapping[4] = { { 0, }, };
+ struct vlynq_known *match = NULL;
+
+ 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);
+
+ ieee = ieee80211_alloc_hw(sizeof(struct acx_device), &acxpci_hw_ops);
+ if (!ieee) {
+ printk("acx: could not allocate ieee80211 structure %s\n",
+ vdev->dev.bus_id);
+ goto fail_alloc_netdev;
+ }
+ ieee->flags &= (~IEEE80211_HW_RX_INCLUDES_FCS &
+ ~IEEE80211_HW_MONITOR_DURING_OPER) |
+ IEEE80211_HW_WEP_INCLUDE_IV;
+ ieee->queues = 1;
+
+ adev = ieee2adev(ieee);
+
+ 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 */
+ mutex_init(&adev->mutex);
+ /* 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->ieee = ieee;
+ adev->vdev = vdev;
+ adev->bus_dev = &vdev->dev;
+ adev->dev_type = DEVTYPE_PCI;
+
+/** Finished with private interface **/
+
+ vlynq_set_drvdata(vdev, ieee);
+ 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;
+ adev->irq = vlynq_virq_to_irq(vdev, match->irq);
+
+ 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, adev->irq,
+ vdev->mem_start, adev->iobase);
+ log(L_ANY, "initial debug setting is 0x%04X\n", acx_debug);
+
+ if (0 == adev->irq) {
+ printk("acx: can't use IRQ 0\n");
+ goto fail_irq;
+ }
+ SET_IEEE80211_DEV(ieee, &vdev->dev);
+
+
+ /* to find crashes due to weird driver access
+ * to unconfigured interface (ifup) */
+ adev->mgmt_timer.function = (void (*)(unsigned long))0x0000dead;
+
+
+ /* 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(ieee);
+
+ /* 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 */
+
+ /* 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",
+ wiphy_name(adev->ieee->wiphy), WIRELESS_EXT, UTS_RELEASE);
+
+ MAC_COPY(adev->ieee->wiphy->perm_addr, adev->dev_addr);
+
+ log(L_IRQ | L_INIT, "using IRQ %d\n", adev->irq);
+
+/** done with board specific setup **/
+
+ acx_init_task_scheduler(adev);
+ result = ieee80211_register_hw(adev->ieee);
+ if (OK != result) {
+ printk("acx: ieee80211_register_hw() FAILED: %d\n", result);
+ 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:
+
+ 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:
+ ieee80211_free_hw(ieee);
+ fail:
+ vlynq_disable_device(vdev);
+ done:
+ FN_EXIT1(result);
+ return result;
+}
+
+static void vlynq_remove(struct vlynq_device *vdev)
+{
+ struct ieee80211_hw *hw = vlynq_get_drvdata(vdev);
+ acx_device_t *adev = ieee2adev(hw);
+ unsigned long flags;
+ FN_ENTER;
+
+ if (!hw) {
+ log(L_DEBUG, "%s: card is unused. Skipping any release code\n",
+ __func__);
+ goto end;
+ }
+
+
+ acx_lock(adev, flags);
+ acx_unlock(adev, flags);
+ adev->initialized = 0;
+
+ /* If device wasn't hot unplugged... */
+ if (adev_present(adev)) {
+
+ acx_sem_lock(adev);
+
+ /* disable both Tx and Rx to shut radio down properly */
+ if (adev->initialized) {
+ 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!
+ * Well, netdev did, but ieee80211 stack does not, so we
+ * have to do so manually...
+ */
+ acxpci_e_close(hw);
+ log(L_INIT, "removing device %s\n", wiphy_name(adev->ieee->wiphy));
+ ieee80211_unregister_hw(adev->ieee);
+
+ /* 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(hw);
+ CLEAR_BIT(adev->dev_state_mask, ACX_STATE_IFACE_UP);
+ }
+
+ acx_proc_unregister_entries(adev->ieee);
+
+ /* 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...) */
+ ieee80211_free_hw(adev->ieee);
+
+ 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
/***********************************************************************
** Data for init_module/cleanup_module
*/
+#ifdef CONFIG_PCI
static const struct pci_device_id acxpci_id_tbl[] __devinitdata = {
{
.vendor = PCI_VENDOR_ID_TI,
@@ -4071,7 +4432,7 @@
.resume = acxpci_e_resume
#endif /* CONFIG_PM */
};
-
+#endif /* CONFIG_PCI */
/***********************************************************************
** acxpci_e_init_module
@@ -4080,7 +4441,7 @@
*/
int __init acxpci_e_init_module(void)
{
- int res;
+ int res = 0;
FN_ENTER;
@@ -4100,10 +4461,15 @@
#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;
}
@@ -4119,7 +4485,12 @@
{
FN_ENTER;
+#ifdef CONFIG_VLYNQ
+ vlynq_unregister_driver(&vlynq_acx);
+#endif
+#ifdef CONFIG_PCI
pci_unregister_driver(&acxpci_drv_id);
+#endif
FN_EXIT0;
}
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