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path: root/drivers/pci/hotplug/shpchp_hpc.c
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Diffstat (limited to 'drivers/pci/hotplug/shpchp_hpc.c')
-rw-r--r--drivers/pci/hotplug/shpchp_hpc.c126
1 files changed, 29 insertions, 97 deletions
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index d55a9a7f8d2..d46a4760338 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -27,17 +27,10 @@
*
*/
-#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
@@ -282,7 +275,7 @@ static void start_int_poll_timer(struct php_ctlr_state_s *php_ctlr, int seconds)
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;
@@ -328,7 +321,7 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
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;
@@ -368,7 +361,7 @@ static int hpc_check_cmd_status(struct controller *ctrl)
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;
@@ -408,7 +401,7 @@ static int hpc_get_attention_status(struct slot *slot, u8 *status)
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;
@@ -450,7 +443,7 @@ static int hpc_get_power_status(struct slot * slot, u8 *status)
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;
@@ -473,7 +466,7 @@ static int hpc_get_latch_status(struct slot *slot, u8 *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;
@@ -496,7 +489,7 @@ static int hpc_get_adapter_status(struct slot *slot, u8 *status)
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
@@ -513,7 +506,7 @@ static int hpc_get_prog_int(struct slot *slot, u8 *prog_int)
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;
@@ -594,7 +587,7 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
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;
@@ -623,7 +616,7 @@ static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
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;
@@ -647,7 +640,7 @@ static int hpc_query_power_fault(struct slot * slot)
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;
@@ -683,7 +676,7 @@ static int hpc_set_attention_status(struct slot *slot, u8 value)
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) {
@@ -705,7 +698,7 @@ static void hpc_set_green_led_on(struct slot *slot)
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) {
@@ -727,7 +720,7 @@ static void hpc_set_green_led_off(struct slot *slot)
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) {
@@ -754,7 +747,7 @@ int shpc_get_ctlr_slot_config(struct controller *ctrl,
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
@@ -776,7 +769,7 @@ int shpc_get_ctlr_slot_config(struct controller *ctrl,
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
@@ -828,7 +821,7 @@ DBG_LEAVE_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;
@@ -859,7 +852,7 @@ static int hpc_power_on_slot(struct slot * slot)
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;
@@ -890,7 +883,7 @@ static int hpc_slot_enable(struct slot * slot)
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;
@@ -920,51 +913,12 @@ static int hpc_slot_disable(struct slot * slot)
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
@@ -1184,7 +1138,7 @@ static irqreturn_t shpc_isr(int IRQ, void *dev_id, struct pt_regs *regs)
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;
@@ -1253,7 +1207,7 @@ static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value)
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;
@@ -1367,8 +1321,6 @@ static struct hpc_ops shpchp_hpc_ops = {
.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,
@@ -1391,12 +1343,7 @@ static struct hpc_ops shpchp_hpc_ops = {
.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;
@@ -1405,7 +1352,6 @@ int shpc_init(struct controller * 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
@@ -1422,21 +1368,8 @@ int shpc_init(struct controller * ctrl,
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) {
@@ -1514,11 +1447,10 @@ int shpc_init(struct controller * ctrl,
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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:33:56 +0000