path: root/package/acx/patches/003-native_vlynq.patch

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;
 }