#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
-#include <asm/semaphore.h>
-#include <asm/io.h>
#include "pci_hotplug.h"
#if !defined(MODULE)
struct controller {
struct controller *next;
struct semaphore crit_sect; /* critical section semaphore */
- void * hpc_ctlr_handle; /* HPC controller handle */
+ struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
int num_slots; /* Number of slots on ctlr */
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
SLOT11 = offsetof(struct ctrl_reg, slot11),
SLOT12 = offsetof(struct ctrl_reg, slot12),
};
-typedef u8(*php_intr_callback_t) (unsigned int change_id, void *instance_id);
+typedef u8(*php_intr_callback_t) (u8 hp_slot, void *instance_id);
struct php_ctlr_state_s {
struct php_ctlr_state_s *pnext;
struct pci_dev *pci_dev;
ACPI
};
-int shpc_init( struct controller *ctrl, struct pci_dev *pdev,
- php_intr_callback_t attention_button_callback,
- php_intr_callback_t switch_change_callback,
- php_intr_callback_t presence_change_callback,
- php_intr_callback_t power_fault_callback);
+int shpc_init( struct controller *ctrl, struct pci_dev *pdev);
int shpc_get_ctlr_slot_config( struct controller *ctrl,
int *num_ctlr_slots,
int (*power_on_slot ) (struct slot *slot);
int (*slot_enable ) (struct slot *slot);
int (*slot_disable ) (struct slot *slot);
- int (*enable_all_slots) (struct slot *slot);
- int (*pwr_on_all_slots) (struct slot *slot);
int (*set_bus_speed_mode) (struct slot *slot, enum pci_bus_speed speed);
int (*get_power_status) (struct slot *slot, u8 *status);
int (*get_attention_status) (struct slot *slot, u8 *status);
*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/wait.h>
#include <linux/smp_lock.h>
#include <linux/pci.h>
#include "../pci.h"
/* The following routines constitute the bulk of the
hotplug controller logic
*/
-static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum pci_bus_speed speed)
+static int change_bus_speed(struct controller *ctrl, struct slot *p_slot,
+ enum pci_bus_speed speed)
{
- u32 rc = 0;
+ int rc = 0;
dbg("%s: change to speed %d\n", __FUNCTION__, speed);
down(&ctrl->crit_sect);
return rc;
}
-static u32 fix_bus_speed(struct controller *ctrl, struct slot *pslot, u8 flag,
-enum pci_bus_speed asp, enum pci_bus_speed bsp, enum pci_bus_speed msp)
+static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
+ u8 flag, enum pci_bus_speed asp, enum pci_bus_speed bsp,
+ enum pci_bus_speed msp)
{
- u32 rc = 0;
+ int rc = 0;
if (flag != 0) { /* Other slots on the same bus are occupied */
if ( asp < bsp ) {
* Configures board
*
*/
-static u32 board_added(struct slot *p_slot)
+static int board_added(struct slot *p_slot)
{
u8 hp_slot;
u8 slots_not_empty = 0;
- u32 rc = 0;
+ int rc = 0;
enum pci_bus_speed adapter_speed, bus_speed, max_bus_speed;
u8 pi, mode;
struct controller *ctrl = p_slot->ctrl;
* remove_board - Turns off slot and LED's
*
*/
-static u32 remove_board(struct slot *p_slot)
+static int remove_board(struct slot *p_slot)
{
struct controller *ctrl = p_slot->ctrl;
u8 hp_slot;
- u32 rc;
+ int rc;
if (shpchp_unconfigure_device(p_slot))
return(1);
int shpchp_disable_slot (struct slot *p_slot)
{
u8 getstatus = 0;
- u32 rc = 0;
int ret = 0;
if (!p_slot->ctrl)
}
up(&p_slot->ctrl->crit_sect);
- rc = remove_board(p_slot);
+ ret = remove_board(p_slot);
update_slot_info(p_slot);
- return rc;
+ return ret;
}
*
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
#include <linux/pci.h>
-#include <asm/system.h>
#include "shpchp.h"
#ifdef DEBUG
static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u16 cmd_status;
int retval = 0;
u16 temp_word;
static int hpc_check_cmd_status(struct controller *ctrl)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
u16 cmd_status;
int retval = 0;
static int hpc_get_attention_status(struct slot *slot, u8 *status)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 atten_led_state;
static int hpc_get_power_status(struct slot * slot, u8 *status)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 slot_state;
static int hpc_get_latch_status(struct slot *slot, u8 *status)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
static int hpc_get_adapter_status(struct slot *slot, u8 *status)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 card_state;
static int hpc_get_prog_int(struct slot *slot, u8 *prog_int)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
DBG_ENTER_ROUTINE
static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status, sec_bus_status;
u8 m66_cap, pcix_cap, pi;
static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u16 sec_bus_status;
u8 pi;
int retval = 0;
static int hpc_query_power_fault(struct slot * slot)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 pwr_fault_state, status;
static int hpc_set_attention_status(struct slot *slot, u8 value)
{
- struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd = 0;
int rc = 0;
static void hpc_set_green_led_on(struct slot *slot)
{
- struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
if (!slot->ctrl->hpc_ctlr_handle) {
static void hpc_set_green_led_off(struct slot *slot)
{
- struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
if (!slot->ctrl->hpc_ctlr_handle) {
static void hpc_set_green_led_blink(struct slot *slot)
{
- struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
if (!slot->ctrl->hpc_ctlr_handle) {
int *updown, /* physical_slot_num increament: 1 or -1 */
int *flags)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
DBG_ENTER_ROUTINE
static void hpc_release_ctlr(struct controller *ctrl)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *p, *p_prev;
DBG_ENTER_ROUTINE
static int hpc_power_on_slot(struct slot * slot)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
int retval = 0;
static int hpc_slot_enable(struct slot * slot)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
int retval = 0;
static int hpc_slot_disable(struct slot * slot)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
int retval = 0;
return retval;
}
-static int hpc_enable_all_slots( struct slot *slot )
-{
- int retval = 0;
-
- DBG_ENTER_ROUTINE
-
- if (!slot->ctrl->hpc_ctlr_handle) {
- err("%s: Invalid HPC controller handle!\n", __FUNCTION__);
- return -1;
- }
-
- retval = shpc_write_cmd(slot, 0, SET_ENABLE_ALL);
- if (retval) {
- err("%s: Write command failed!\n", __FUNCTION__);
- return -1;
- }
-
- DBG_LEAVE_ROUTINE
-
- return retval;
-}
-
-static int hpc_pwr_on_all_slots(struct slot *slot)
-{
- int retval = 0;
-
- DBG_ENTER_ROUTINE
-
- retval = shpc_write_cmd(slot, 0, SET_PWR_ON_ALL);
-
- if (retval) {
- err("%s: Write command failed!\n", __FUNCTION__);
- return -1;
- }
-
- DBG_LEAVE_ROUTINE
- return retval;
-}
-
static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value)
{
u8 slot_cmd;
u8 pi;
int retval = 0;
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
DBG_ENTER_ROUTINE
static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN;
int retval = 0;
u8 pi;
static int hpc_get_cur_bus_speed (struct slot *slot, enum pci_bus_speed *value)
{
- struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
+ struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN;
u16 sec_bus_status;
int retval = 0;
.power_on_slot = hpc_power_on_slot,
.slot_enable = hpc_slot_enable,
.slot_disable = hpc_slot_disable,
- .enable_all_slots = hpc_enable_all_slots,
- .pwr_on_all_slots = hpc_pwr_on_all_slots,
.set_bus_speed_mode = hpc_set_bus_speed_mode,
.set_attention_status = hpc_set_attention_status,
.get_power_status = hpc_get_power_status,
.check_cmd_status = hpc_check_cmd_status,
};
-int shpc_init(struct controller * ctrl,
- struct pci_dev * pdev,
- php_intr_callback_t attention_button_callback,
- php_intr_callback_t switch_change_callback,
- php_intr_callback_t presence_change_callback,
- php_intr_callback_t power_fault_callback)
+int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
{
struct php_ctlr_state_s *php_ctlr, *p;
void *instance_id = ctrl;
static int first = 1;
u32 shpc_cap_offset, shpc_base_offset;
u32 tempdword, slot_reg;
- u16 vendor_id, device_id;
u8 i;
DBG_ENTER_ROUTINE
php_ctlr->pci_dev = pdev; /* save pci_dev in context */
- rc = pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor_id);
- dbg("%s: Vendor ID: %x\n",__FUNCTION__, vendor_id);
- if (rc) {
- err("%s: unable to read PCI configuration data\n", __FUNCTION__);
- goto abort_free_ctlr;
- }
-
- rc = pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
- dbg("%s: Device ID: %x\n",__FUNCTION__, device_id);
- if (rc) {
- err("%s: unable to read PCI configuration data\n", __FUNCTION__);
- goto abort_free_ctlr;
- }
-
- if ((vendor_id == PCI_VENDOR_ID_AMD) || (device_id == PCI_DEVICE_ID_AMD_GOLAM_7450)) {
+ if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
+ PCI_DEVICE_ID_AMD_GOLAM_7450)) {
shpc_base_offset = 0; /* amd shpc driver doesn't use this; assume 0 */
} else {
if ((shpc_cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC)) == 0) {
php_ctlr->irq = pdev->irq;
dbg("HPC interrupt = %d\n", php_ctlr->irq);
- /* Save interrupt callback info */
- php_ctlr->attention_button_callback = attention_button_callback;
- php_ctlr->switch_change_callback = switch_change_callback;
- php_ctlr->presence_change_callback = presence_change_callback;
- php_ctlr->power_fault_callback = power_fault_callback;
+ php_ctlr->attention_button_callback = shpchp_handle_attention_button,
+ php_ctlr->switch_change_callback = shpchp_handle_switch_change;
+ php_ctlr->presence_change_callback = shpchp_handle_presence_change;
+ php_ctlr->power_fault_callback = shpchp_handle_power_fault;
php_ctlr->callback_instance_id = instance_id;
/* Return PCI Controller Info */