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/linux-6.12.1/drivers/staging/nvec/
Dnvec.c3 * NVEC: NVIDIA compliant embedded controller interface
33 #include "nvec.h"
80 .name = "nvec-kbd",
83 .name = "nvec-mouse",
86 .name = "nvec-power",
90 .name = "nvec-power",
94 .name = "nvec-paz00",
99 * nvec_register_notifier - Register a notifier with nvec
100 * @nvec: A &struct nvec_chip
104 * Registers a notifier with @nvec. The notifier will be added to an atomic
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Dnvec_kbd.c17 #include "nvec-keytable.h"
18 #include "nvec.h"
34 struct nvec_chip *nvec; member
50 nvec_write_async(keys_dev.nvec, buf, sizeof(buf)); in nvec_kbd_toggle_led()
88 struct nvec_chip *nvec = keys_dev.nvec; in nvec_kbd_event() local
101 nvec_write_async(nvec, buf, sizeof(buf)); in nvec_kbd_event()
108 struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); in nvec_kbd_probe() local
128 idev->name = "nvec keyboard"; in nvec_kbd_probe()
129 idev->phys = "nvec"; in nvec_kbd_probe()
147 keys_dev.nvec = nvec; in nvec_kbd_probe()
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Dnvec_ps2.c18 #include "nvec.h"
44 struct nvec_chip *nvec; member
53 return nvec_write_async(ps2_dev.nvec, buf, sizeof(buf)); in ps2_startstreaming()
60 nvec_write_async(ps2_dev.nvec, buf, sizeof(buf)); in ps2_stopstreaming()
101 ret = nvec_write_sync(ps2_dev.nvec, buf, sizeof(buf), &msg); in ps2_sendcommand()
107 nvec_msg_free(ps2_dev.nvec, msg); in ps2_sendcommand()
114 struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); in nvec_mouse_probe() local
126 strscpy(ser_dev->name, "nvec mouse", sizeof(ser_dev->name)); in nvec_mouse_probe()
127 strscpy(ser_dev->phys, "nvec", sizeof(ser_dev->phys)); in nvec_mouse_probe()
131 ps2_dev.nvec = nvec; in nvec_mouse_probe()
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Dnvec_paz00.c15 #include "nvec.h"
23 struct nvec_chip *nvec; member
34 nvec_write_async(led->nvec, buf, sizeof(buf)); in nvec_led_brightness_set()
41 struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); in nvec_paz00_probe() local
54 led->nvec = nvec; in nvec_paz00_probe()
71 .name = "nvec-paz00",
78 MODULE_DESCRIPTION("Tegra NVEC PAZ00 driver");
80 MODULE_ALIAS("platform:nvec-paz00");
DKconfig11 called mfd-nvec
21 called keyboard-nvec
31 called serio-nvec-ps2
35 tristate "NVEC charger and battery"
42 called nvec-power
53 called nvec-paz00
Dnvec_power.c19 #include "nvec.h"
26 struct nvec_chip *nvec; member
116 nvec_write_async(power->nvec, buf, 2); in get_bat_mfg_data()
358 nvec_write_async(power->nvec, buf, 2); in nvec_power_poll()
367 nvec_write_async(power->nvec, buf, 2); in nvec_power_poll()
377 struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); in nvec_power_probe() local
385 power->nvec = nvec; in nvec_power_probe()
409 nvec_register_notifier(nvec, &power->notifier, NVEC_SYS); in nvec_power_probe()
424 nvec_unregister_notifier(power->nvec, &power->notifier); in nvec_power_remove()
438 .name = "nvec-power",
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DREADME1 NVEC: An NVidia compliant Embedded Controller Protocol Implementation
3 This is an implementation of the NVEC protocol used to communicate with an
9 but the source code[1] of the published nvec reference drivers can be a guide.
13 [1] e.g. https://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=tree;f=arch/arm/mach-tegra/nvec;hb=a…
Dnvec.h3 * NVEC: NVIDIA compliant embedded controller interface
164 int nvec_write_async(struct nvec_chip *nvec, const unsigned char *data,
167 int nvec_write_sync(struct nvec_chip *nvec,
171 int nvec_register_notifier(struct nvec_chip *nvec,
177 void nvec_msg_free(struct nvec_chip *nvec, struct nvec_msg *msg);
/linux-6.12.1/drivers/pci/msi/
Dmsi.c23 * @nvec: how many MSIs have been requested?
29 static int pci_msi_supported(struct pci_dev *dev, int nvec) in pci_msi_supported() argument
43 * b) the list manipulation code assumes nvec >= 1. in pci_msi_supported()
45 if (nvec < 1) in pci_msi_supported()
285 static int msi_setup_msi_desc(struct pci_dev *dev, int nvec, in msi_setup_msi_desc() argument
302 desc.nvec_used = nvec; in msi_setup_msi_desc()
307 desc.pci.msi_attrib.multiple = ilog2(__roundup_pow_of_two(nvec)); in msi_setup_msi_desc()
342 * @nvec: number of interrupts to allocate
351 static int msi_capability_init(struct pci_dev *dev, int nvec, in msi_capability_init() argument
359 if (nvec > 1 && !pci_msi_domain_supports(dev, MSI_FLAG_MULTI_PCI_MSI, ALLOW_LEGACY)) in msi_capability_init()
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Dlegacy.c19 int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) in arch_setup_msi_irqs() argument
28 if (type == PCI_CAP_ID_MSI && nvec > 1) in arch_setup_msi_irqs()
66 int pci_msi_legacy_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) in pci_msi_legacy_setup_msi_irqs() argument
68 int ret = arch_setup_msi_irqs(dev, nvec, type); in pci_msi_legacy_setup_msi_irqs()
/linux-6.12.1/drivers/irqchip/
Dirq-gic-v3-its-msi-parent.c43 int nvec, msi_alloc_info_t *info) in its_pci_msi_prepare() argument
78 if (msi_info->hwsize > nvec) in its_pci_msi_prepare()
79 nvec = msi_info->hwsize; in its_pci_msi_prepare()
88 nvec = max(nvec, alias_count); in its_pci_msi_prepare()
91 nvec = max_t(int, minnvec, roundup_pow_of_two(nvec)); in its_pci_msi_prepare()
94 return msi_info->ops->msi_prepare(domain->parent, dev, nvec, info); in its_pci_msi_prepare()
130 int nvec, msi_alloc_info_t *info) in its_pmsi_prepare() argument
151 if (msi_info->hwsize > nvec) in its_pmsi_prepare()
152 nvec = msi_info->hwsize; in its_pmsi_prepare()
155 nvec = max_t(int, 32, roundup_pow_of_two(nvec)); in its_pmsi_prepare()
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/linux-6.12.1/drivers/net/wwan/iosm/
Diosm_ipc_irq.c40 if (instance >= ipc_pcie->nvec) in ipc_msi_interrupt()
54 while (--ipc_pcie->nvec >= 0) in ipc_release_irq()
55 free_irq(pdev->irq + ipc_pcie->nvec, ipc_pcie); in ipc_release_irq()
65 ipc_pcie->nvec = pci_alloc_irq_vectors(pdev, IPC_MSI_VECTORS, in ipc_acquire_irq()
68 if (ipc_pcie->nvec < 0) { in ipc_acquire_irq()
69 rc = ipc_pcie->nvec; in ipc_acquire_irq()
76 for (i = 0; i < ipc_pcie->nvec; ++i) { in ipc_acquire_irq()
82 ipc_pcie->nvec = i; in ipc_acquire_irq()
/linux-6.12.1/arch/powerpc/platforms/pseries/
Dmsi.c116 static int check_req(struct pci_dev *pdev, int nvec, char *prop_name) in check_req() argument
131 if (req_msi < nvec) { in check_req()
132 pr_debug("rtas_msi: %s requests < %d MSIs\n", prop_name, nvec); in check_req()
143 static int check_req_msi(struct pci_dev *pdev, int nvec) in check_req_msi() argument
145 return check_req(pdev, nvec, "ibm,req#msi"); in check_req_msi()
148 static int check_req_msix(struct pci_dev *pdev, int nvec) in check_req_msix() argument
150 return check_req(pdev, nvec, "ibm,req#msi-x"); in check_req_msix()
348 int nvec = nvec_in; in rtas_prepare_msi_irqs() local
352 rc = check_req_msix(pdev, nvec); in rtas_prepare_msi_irqs()
354 rc = check_req_msi(pdev, nvec); in rtas_prepare_msi_irqs()
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/linux-6.12.1/drivers/fpga/
Ddfl-pci.c52 int ret, nvec = pci_msix_vec_count(pcidev); in cci_pci_alloc_irq() local
54 if (nvec <= 0) { in cci_pci_alloc_irq()
59 ret = pci_alloc_irq_vectors(pcidev, nvec, nvec, PCI_IRQ_MSIX); in cci_pci_alloc_irq()
63 return nvec; in cci_pci_alloc_irq()
145 static int *cci_pci_create_irq_table(struct pci_dev *pcidev, unsigned int nvec) in cci_pci_create_irq_table() argument
150 table = kcalloc(nvec, sizeof(int), GFP_KERNEL); in cci_pci_create_irq_table()
154 for (i = 0; i < nvec; i++) in cci_pci_create_irq_table()
310 int nvec, ret = 0; in cci_enumerate_feature_devs() local
319 nvec = cci_pci_alloc_irq(pcidev); in cci_enumerate_feature_devs()
320 if (nvec < 0) { in cci_enumerate_feature_devs()
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/linux-6.12.1/Documentation/translations/zh_CN/PCI/
Dmsi-howto.rst113 nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_ALL_TYPES)
114 if (nvec < 0)
120 ret = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_ALL_TYPES);
133 nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_MSI | PCI_IRQ_MSIX);
134 if (nvec < 0)
/linux-6.12.1/arch/x86/pci/
Dxen.c161 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type);
167 static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) in xen_setup_msi_irqs() argument
173 if (type == PCI_CAP_ID_MSI && nvec > 1) in xen_setup_msi_irqs()
176 v = kcalloc(max(1, nvec), sizeof(int), GFP_KERNEL); in xen_setup_msi_irqs()
181 ret = xen_pci_frontend_enable_msix(dev, v, nvec); in xen_setup_msi_irqs()
189 (type == PCI_CAP_ID_MSI) ? nvec : 1, in xen_setup_msi_irqs()
229 static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) in xen_hvm_setup_msi_irqs() argument
235 if (type == PCI_CAP_ID_MSI && nvec > 1) in xen_hvm_setup_msi_irqs()
248 (type == PCI_CAP_ID_MSI) ? nvec : 1, in xen_hvm_setup_msi_irqs()
268 static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) in xen_initdom_setup_msi_irqs() argument
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/linux-6.12.1/drivers/base/
Dplatform-msi.c54 * @nvec: The number of interrupts to allocate
62 * a fixed size of @nvec. The domain is managed by devres and will
69 int platform_device_msi_init_and_alloc_irqs(struct device *dev, unsigned int nvec, in platform_device_msi_init_and_alloc_irqs() argument
84 nvec, NULL, write_msi_msg)) in platform_device_msi_init_and_alloc_irqs()
87 return msi_domain_alloc_irqs_range(dev, MSI_DEFAULT_DOMAIN, 0, nvec - 1); in platform_device_msi_init_and_alloc_irqs()
/linux-6.12.1/drivers/soc/ti/
Dti_sci_inta_msi.c97 int ret, nvec; in ti_sci_inta_msi_domain_alloc_irqs() local
107 nvec = ti_sci_inta_msi_alloc_descs(dev, res); in ti_sci_inta_msi_domain_alloc_irqs()
108 if (nvec <= 0) { in ti_sci_inta_msi_domain_alloc_irqs()
109 ret = nvec; in ti_sci_inta_msi_domain_alloc_irqs()
114 ret = msi_domain_alloc_irqs_all_locked(dev, MSI_DEFAULT_DOMAIN, nvec); in ti_sci_inta_msi_domain_alloc_irqs()
/linux-6.12.1/Documentation/PCI/
Dmsi-howto.rst134 as possible, likely up to the limit supported by the device. If nvec is
139 nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_ALL_TYPES)
140 if (nvec < 0)
148 ret = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_ALL_TYPES);
163 nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_MSI | PCI_IRQ_MSIX);
164 if (nvec < 0)
/linux-6.12.1/arch/powerpc/kernel/
Dmsi.c12 int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) in arch_setup_msi_irqs() argument
23 if (type == PCI_CAP_ID_MSI && nvec > 1) in arch_setup_msi_irqs()
26 return phb->controller_ops.setup_msi_irqs(dev, nvec, type); in arch_setup_msi_irqs()
/linux-6.12.1/drivers/vfio/cdx/
Dintr.c24 static int vfio_cdx_msi_enable(struct vfio_cdx_device *vdev, int nvec) in vfio_cdx_msi_enable() argument
30 vdev->cdx_irqs = kcalloc(nvec, sizeof(struct vfio_cdx_irq), GFP_KERNEL); in vfio_cdx_msi_enable()
41 ret = msi_domain_alloc_irqs(dev, MSI_DEFAULT_DOMAIN, nvec); in vfio_cdx_msi_enable()
48 for (msi_idx = 0; msi_idx < nvec; msi_idx++) in vfio_cdx_msi_enable()
51 vdev->msi_count = nvec; in vfio_cdx_msi_enable()
/linux-6.12.1/drivers/mmc/host/
Dcavium-thunderx.c40 int nvec, ret, i; in thunder_mmc_register_interrupts() local
42 nvec = pci_alloc_irq_vectors(pdev, 1, 9, PCI_IRQ_MSIX); in thunder_mmc_register_interrupts()
43 if (nvec < 0) in thunder_mmc_register_interrupts()
44 return nvec; in thunder_mmc_register_interrupts()
47 for (i = 0; i < nvec; i++) { in thunder_mmc_register_interrupts()
/linux-6.12.1/drivers/pci/pcie/
Dportdrv.c60 u32 nvec = 0, pos; in pcie_message_numbers() local
74 nvec = *pme + 1; in pcie_message_numbers()
86 nvec = max(nvec, *aer + 1); in pcie_message_numbers()
97 nvec = max(nvec, *dpc + 1); in pcie_message_numbers()
101 return nvec; in pcie_message_numbers()
115 int nr_entries, nvec, pcie_irq; in pcie_port_enable_irq_vec() local
125 nvec = pcie_message_numbers(dev, mask, &pme, &aer, &dpc); in pcie_port_enable_irq_vec()
126 if (nvec > nr_entries) { in pcie_port_enable_irq_vec()
142 if (nvec != nr_entries) { in pcie_port_enable_irq_vec()
145 nr_entries = pci_alloc_irq_vectors(dev, nvec, nvec, in pcie_port_enable_irq_vec()
/linux-6.12.1/drivers/gpu/drm/vmwgfx/
Dvmwgfx_irq.c331 int nvec; in vmw_irq_install() local
337 nvec = pci_alloc_irq_vectors(pdev, 1, VMWGFX_MAX_NUM_IRQS, in vmw_irq_install()
340 if (nvec <= 0) { in vmw_irq_install()
342 "IRQ's are unavailable, nvec: %d\n", nvec); in vmw_irq_install()
343 ret = nvec; in vmw_irq_install()
349 for (i = 0; i < nvec; ++i) { in vmw_irq_install()
/linux-6.12.1/Documentation/devicetree/bindings/soc/tegra/
Dnvidia,nvec.yaml4 $id: http://devicetree.org/schemas/soc/tegra/nvidia,nvec.yaml#
15 const: nvidia,nvec
73 compatible = "nvidia,nvec";

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