Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-28 11:56:10 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

armv7a pci irq support

Browse Source 
Signed-off-by: lipengfei28 <lipengfei28@xiaomi.com>
This commit is contained in:
lipengfei28
2024-07-12 16:05:57 +08:00
committed by Xiang Xiao
parent 0e3a96a398
commit 39ec3291ee
9 changed files with 283 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/pci/pci_ecam.c
+73 -4
View File
@@ -24,6 +24,7 @@
#include <errno.h>
#include <nuttx/arch.h>
#include <nuttx/kmalloc.h>
#include <nuttx/lib/math32.h>
#include <nuttx/pci/pci.h>
@@ -61,6 +62,21 @@ static int pci_ecam_read_io(FAR struct pci_bus_s *bus, uintptr_t addr,
static int pci_ecam_write_io(FAR struct pci_bus_s *bus, uintptr_t addr,
int size, uint32_t val);
static int pci_ecam_get_irq(FAR struct pci_bus_s *bus, uint32_t devfn,
uint8_t line, uint8_t pin);
#ifdef CONFIG_PCI_MSIX
static int pci_ecam_alloc_irq(FAR struct pci_bus_s *bus, FAR int *irq,
int num);
static void pci_ecam_release_irq(FAR struct pci_bus_s *bus, FAR int *irq,
int num);
static int pci_ecam_connect_irq(FAR struct pci_bus_s *bus, FAR int *irq,
int num, FAR uintptr_t *mar,
FAR uint32_t *mdr);
#endif
/****************************************************************************
* Private Types
****************************************************************************/
@@ -77,10 +93,16 @@ struct pci_ecam_s
static const struct pci_ops_s g_pci_ecam_ops =
{
.read = pci_ecam_read_config,
.write = pci_ecam_write_config,
.read_io = pci_ecam_read_io,
.write_io = pci_ecam_write_io,
.read = pci_ecam_read_config,
.write = pci_ecam_write_config,
.read_io = pci_ecam_read_io,
.write_io = pci_ecam_write_io,
.get_irq = pci_ecam_get_irq,
#ifdef CONFIG_PCI_MSIX
.alloc_irq = pci_ecam_alloc_irq,
.release_irq = pci_ecam_release_irq,
.connect_irq = pci_ecam_connect_irq,
#endif
};
/****************************************************************************
@@ -368,6 +390,53 @@ static int pci_ecam_write_io(FAR struct pci_bus_s *bus, uintptr_t addr,
return OK;
}
#ifdef CONFIG_PCI_MSIX
static int pci_ecam_alloc_irq(FAR struct pci_bus_s *bus, FAR int *irq,
int num)
{
*irq = up_alloc_irq_msi(&num);
return num;
}
static void pci_ecam_release_irq(FAR struct pci_bus_s *bus, FAR int *irq,
int num)
{
return up_release_irq_msi(irq, num);
}
static int pci_ecam_connect_irq(FAR struct pci_bus_s *bus, FAR int *irq,
int num, FAR uintptr_t *mar,
FAR uint32_t *mdr)
{
return up_connect_irq(irq, num, mar, mdr);
}
#endif
/****************************************************************************
* Name: pci_ecam_get_irq
*
* Description:
* Get interrupt number associated with a given INTx line.
*
* Input Parameters:
* bus - Bus that PCI device resides
* devfn - The pci device and function number
* line - Activated PCI legacy interrupt line
* pin - Intx pin number
*
* Returned Value:
* Return interrupt number associated with a given INTx
*
****************************************************************************/
static int pci_ecam_get_irq(FAR struct pci_bus_s *bus, uint32_t devfn,
uint8_t line, uint8_t pin)
{
UNUSED(bus);
return up_get_legacy_irq(devfn, line, pin);
}
/****************************************************************************
* Public Functions
****************************************************************************/