diff options
Diffstat (limited to 'drivers/pci/pci_config.c')
| -rw-r--r-- | drivers/pci/pci_config.c | 186 |
1 files changed, 93 insertions, 93 deletions
diff --git a/drivers/pci/pci_config.c b/drivers/pci/pci_config.c index 0f59bf182..2d46dcc7b 100644 --- a/drivers/pci/pci_config.c +++ b/drivers/pci/pci_config.c @@ -35,7 +35,7 @@ DESCRIPTION This module implements the PCI config space access functions -*/ + */ #include <nanokernel.h> #include <arch/cpu.h> @@ -52,18 +52,18 @@ This module implements the PCI config space access functions } while (0) #endif -/******************************************************************************* -* -* pci_config_out_long - write a 32bit data to pci reg in offset -* -* @param bus_no Bus number. -* @param device_no Device number -* @param func_no Function number -* @param offset Offset into the configuration space. -* @param data Data written to the offset. -* -* RETURNS: N/A -*/ +/** + * + * pci_config_out_long - write a 32bit data to pci reg in offset + * + * @param bus_no Bus number. + * @param device_no Device number + * @param func_no Function number + * @param offset Offset into the configuration space. + * @param data Data written to the offset. + * + * RETURNS: N/A + */ void pci_config_out_long(uint32_t bus_no, uint32_t device_no, uint32_t func_no, uint32_t offset, uint32_t data) { @@ -82,18 +82,18 @@ void pci_config_out_long(uint32_t bus_no, uint32_t device_no, uint32_t func_no, pci_write(DEFAULT_PCI_CONTROLLER, pci_addr, sizeof(uint32_t), data); } -/******************************************************************************* -* -* pci_config_out_word - write a 16bit data to pci reg in offset -* -* @param bus_no Bus number. -* @param device_no Device number. -* @param func_no Function number. -* @param offset Offset into the configuration space. -* @param data Data written to the offset. -* -* RETURNS: N/A -*/ +/** + * + * pci_config_out_word - write a 16bit data to pci reg in offset + * + * @param bus_no Bus number. + * @param device_no Device number. + * @param func_no Function number. + * @param offset Offset into the configuration space. + * @param data Data written to the offset. + * + * RETURNS: N/A + */ void pci_config_out_word(uint32_t bus_no, uint32_t device_no, uint32_t func_no, uint32_t offset, uint16_t data) { @@ -112,18 +112,18 @@ void pci_config_out_word(uint32_t bus_no, uint32_t device_no, uint32_t func_no, pci_write(DEFAULT_PCI_CONTROLLER, pci_addr, sizeof(uint16_t), data); } -/******************************************************************************* -* -* pci_config_out_byte - write a 8bit data to pci reg in offset -* -* @param bus_no Bus number. -* @param device_no Device number. -* @param func_no Function number. -* @param offset Offset into the configuration space. -* @param data Data written to the offset. -* -* RETURNS: N/A -*/ +/** + * + * pci_config_out_byte - write a 8bit data to pci reg in offset + * + * @param bus_no Bus number. + * @param device_no Device number. + * @param func_no Function number. + * @param offset Offset into the configuration space. + * @param data Data written to the offset. + * + * RETURNS: N/A + */ void pci_config_out_byte(uint32_t bus_no, uint32_t device_no, uint32_t func_no, uint32_t offset, uint8_t data) { @@ -142,19 +142,19 @@ void pci_config_out_byte(uint32_t bus_no, uint32_t device_no, uint32_t func_no, pci_write(DEFAULT_PCI_CONTROLLER, pci_addr, sizeof(uint8_t), data); } -/******************************************************************************* -* -* pci_config_in_long - read a 32bit data from pci reg in offset -* -* @param bus_no Bus number. -* @param device_no Device number. -* @param func_no Function number. -* @param offset Offset into the configuration space. -* @param data Data read from the offset. -* -* RETURNS: N/A -* -*/ +/** + * + * pci_config_in_long - read a 32bit data from pci reg in offset + * + * @param bus_no Bus number. + * @param device_no Device number. + * @param func_no Function number. + * @param offset Offset into the configuration space. + * @param data Data read from the offset. + * + * RETURNS: N/A + * + */ void pci_config_in_long(uint32_t bus_no, uint32_t device_no, uint32_t func_no, uint32_t offset, uint32_t *data) { @@ -173,19 +173,19 @@ void pci_config_in_long(uint32_t bus_no, uint32_t device_no, uint32_t func_no, pci_read(DEFAULT_PCI_CONTROLLER, pci_addr, sizeof(uint32_t), data); } -/******************************************************************************* -* -* pci_config_in_word - read in a 16bit data from a pci reg in offset -* -* @param bus_no Bus number. -* @param device_no Device number. -* @param func_no Function number. -* @param offset Offset into the configuration space. -* @param data Data read from the offset. -* -* RETURNS: N/A -* -*/ +/** + * + * pci_config_in_word - read in a 16bit data from a pci reg in offset + * + * @param bus_no Bus number. + * @param device_no Device number. + * @param func_no Function number. + * @param offset Offset into the configuration space. + * @param data Data read from the offset. + * + * RETURNS: N/A + * + */ void pci_config_in_word(uint32_t bus_no, uint32_t device_no, uint32_t func_no, uint32_t offset, uint16_t *data) @@ -210,19 +210,19 @@ void pci_config_in_word(uint32_t bus_no, uint32_t device_no, uint32_t func_no, *data = (uint16_t)pci_data; } -/******************************************************************************* -* -* pci_config_in_byte - read in a 8bit data from a pci reg in offset -* -* @param bus_no Bus number. -* @param device_no Device number. -* @param func_no Function number. -* @param offset Offset into the configuration space. -* @param data Data read from the offset. -* -* RETURNS: N/A -* -*/ +/** + * + * pci_config_in_byte - read in a 8bit data from a pci reg in offset + * + * @param bus_no Bus number. + * @param device_no Device number. + * @param func_no Function number. + * @param offset Offset into the configuration space. + * @param data Data read from the offset. + * + * RETURNS: N/A + * + */ void pci_config_in_byte(uint32_t bus_no, uint32_t device_no, uint32_t func_no, uint32_t offset, uint8_t *data) @@ -247,23 +247,23 @@ void pci_config_in_byte(uint32_t bus_no, uint32_t device_no, uint32_t func_no, *data = (uint8_t)pci_data; } -/******************************************************************************* -* -* pci_config_ext_cap_ptr_find - find extended capability in ECP linked list -* -* This routine searches for an extended capability in the linked list of -* capabilities in config space. If found, the offset of the first byte -* of the capability of interest in config space is returned via pOffset. -* -* @param ext_cap_find_id Extended capabilities ID to search for. -* @param bus PCI bus number. -* @param device PCI device number. -* @param function PCI function number. -* @param p_offset Returned config space offset. -* -* RETURNS: 0 if Extended Capability found, -1 otherwise -* -*/ +/** + * + * pci_config_ext_cap_ptr_find - find extended capability in ECP linked list + * + * This routine searches for an extended capability in the linked list of + * capabilities in config space. If found, the offset of the first byte + * of the capability of interest in config space is returned via pOffset. + * + * @param ext_cap_find_id Extended capabilities ID to search for. + * @param bus PCI bus number. + * @param device PCI device number. + * @param function PCI function number. + * @param p_offset Returned config space offset. + * + * RETURNS: 0 if Extended Capability found, -1 otherwise + * + */ int pci_config_ext_cap_ptr_find(uint8_t ext_cap_find_id, uint32_t bus, uint32_t device, uint32_t function, |