add rough vlynq support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9144 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 556 insertions, 0 deletions

diff --git a/package/acx-mac80211/patches/002-acx_vlynq.diff b/package/acx-mac80211/patches/002-acx_vlynq.diff
new file mode 100644
index 000000000..69d13f9ea
--- /dev/null
+++ b/package/acx-mac80211/patches/002-acx_vlynq.diff
@@ -0,0 +1,556 @@
+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 +4017,371 @@
+ 	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 */
++
++	free_irq(adev->irq, adev);
++	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 +4433,7 @@
+ 	.resume = acxpci_e_resume
+ #endif /* CONFIG_PM */
+ };
+-
++#endif /* CONFIG_PCI */
+ 
+ /***********************************************************************
+ ** acxpci_e_init_module
+@@ -4080,7 +4442,7 @@
+ */
+ int __init acxpci_e_init_module(void)
+ {
+-	int res;
++	int res = 0;
+ 
+ 	FN_ENTER;
+ 
+@@ -4100,10 +4462,15 @@
+ #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 +4486,12 @@
+ {
+ 	FN_ENTER;
+ 
++#ifdef CONFIG_VLYNQ
++	vlynq_unregister_driver(&vlynq_acx);
++#endif
++#ifdef CONFIG_PCI
+ 	pci_unregister_driver(&acxpci_drv_id);
++#endif
+ 
+ 	FN_EXIT0;
+ }