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yaml
---
r: 44823
b: refs/heads/master
c: 8352e04
h: refs/heads/master
i:
  44821: f0f397d
  44819: 112a434
  44815: df2870a
v: v3
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Kenji Kaneshige authored and Greg Kroah-Hartman committed Dec 20, 2006
1 parent 4abf6df commit 0bf356b
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Showing 4 changed files with 78 additions and 145 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6f39be2e05cc6e66481f1395264297f06bef1e21
refs/heads/master: 8352e04eb427db0ca8ebb9a8547971d433627cad
190 changes: 60 additions & 130 deletions trunk/drivers/pci/hotplug/shpchp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -47,11 +47,17 @@ extern int shpchp_poll_time;
extern int shpchp_debug;
extern struct workqueue_struct *shpchp_wq;

/*#define dbg(format, arg...) do { if (shpchp_debug) printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); } while (0)*/
#define dbg(format, arg...) do { if (shpchp_debug) printk("%s: " format, MY_NAME , ## arg); } while (0)
#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
#define dbg(format, arg...) \
do { \
if (shpchp_debug) \
printk("%s: " format, MY_NAME , ## arg); \
} while (0)
#define err(format, arg...) \
printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
#define info(format, arg...) \
printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
#define warn(format, arg...) \
printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)

#define SLOT_NAME_SIZE 10
struct slot {
Expand Down Expand Up @@ -99,13 +105,11 @@ struct controller {
struct timer_list poll_timer;
};


/* Define AMD SHPC ID */
#define PCI_DEVICE_ID_AMD_GOLAM_7450 0x7450
#define PCI_DEVICE_ID_AMD_POGO_7458 0x7458

/* AMD PCIX bridge registers */

#define PCIX_MEM_BASE_LIMIT_OFFSET 0x1C
#define PCIX_MISCII_OFFSET 0x48
#define PCIX_MISC_BRIDGE_ERRORS_OFFSET 0x80
Expand Down Expand Up @@ -140,8 +144,6 @@ struct controller {
#define POWERON_STATE 3
#define POWEROFF_STATE 4

#define PCI_TO_PCI_BRIDGE_CLASS 0x00060400

/* Error messages */
#define INTERLOCK_OPEN 0x00000002
#define ADD_NOT_SUPPORTED 0x00000003
Expand All @@ -153,50 +155,32 @@ struct controller {
#define WRONG_BUS_FREQUENCY 0x0000000D
#define POWER_FAILURE 0x0000000E

#define REMOVE_NOT_SUPPORTED 0x00000003

#define DISABLE_CARD 1

/*
* error Messages
*/
#define msg_initialization_err "Initialization failure, error=%d\n"
#define msg_button_on "PCI slot #%s - powering on due to button press.\n"
#define msg_button_off "PCI slot #%s - powering off due to button press.\n"
#define msg_button_cancel "PCI slot #%s - action canceled due to button press.\n"

/* sysfs functions for the hotplug controller info */
extern int __must_check shpchp_create_ctrl_files(struct controller *ctrl);

extern int shpchp_sysfs_enable_slot(struct slot *slot);
extern int shpchp_sysfs_disable_slot(struct slot *slot);

extern void shpchp_remove_ctrl_files(struct controller *ctrl);
extern int shpchp_sysfs_enable_slot(struct slot *slot);
extern int shpchp_sysfs_disable_slot(struct slot *slot);
extern u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl);
extern u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl);
extern u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl);
extern u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl);

/* pci functions */
extern int shpchp_save_config(struct controller *ctrl, int busnumber, int num_ctlr_slots, int first_device_num);
extern int shpchp_configure_device(struct slot *p_slot);
extern int shpchp_unconfigure_device(struct slot *p_slot);
extern void shpchp_remove_ctrl_files(struct controller *ctrl);
extern void cleanup_slots(struct controller *ctrl);
extern void queue_pushbutton_work(struct work_struct *work);

extern int shpchp_configure_device(struct slot *p_slot);
extern int shpchp_unconfigure_device(struct slot *p_slot);
extern void cleanup_slots(struct controller *ctrl);
extern void queue_pushbutton_work(struct work_struct *work);
extern int shpc_init( struct controller *ctrl, struct pci_dev *pdev);

#ifdef CONFIG_ACPI
static inline int get_hp_params_from_firmware(struct pci_dev *dev,
struct hotplug_params *hpp)
struct hotplug_params *hpp)
{
if (ACPI_FAILURE(acpi_get_hp_params_from_firmware(dev->bus, hpp)))
return -ENODEV;
return 0;
}
#define get_hp_hw_control_from_firmware(pdev) \
do { \
if (DEVICE_ACPI_HANDLE(&(pdev->dev))) \
acpi_run_oshp(DEVICE_ACPI_HANDLE(&(pdev->dev))); \
#define get_hp_hw_control_from_firmware(pdev) \
do { \
if (DEVICE_ACPI_HANDLE(&(pdev->dev))) \
acpi_run_oshp(DEVICE_ACPI_HANDLE(&(pdev->dev)));\
} while (0)
#else
#define get_hp_params_from_firmware(dev, hpp) (-ENODEV)
Expand All @@ -217,90 +201,40 @@ struct ctrl_reg {
volatile u32 serr_loc;
volatile u32 serr_intr_enable;
volatile u32 slot1;
volatile u32 slot2;
volatile u32 slot3;
volatile u32 slot4;
volatile u32 slot5;
volatile u32 slot6;
volatile u32 slot7;
volatile u32 slot8;
volatile u32 slot9;
volatile u32 slot10;
volatile u32 slot11;
volatile u32 slot12;
} __attribute__ ((packed));

/* offsets to the controller registers based on the above structure layout */
enum ctrl_offsets {
BASE_OFFSET = offsetof(struct ctrl_reg, base_offset),
SLOT_AVAIL1 = offsetof(struct ctrl_reg, slot_avail1),
SLOT_AVAIL2 = offsetof(struct ctrl_reg, slot_avail2),
SLOT_CONFIG = offsetof(struct ctrl_reg, slot_config),
SEC_BUS_CONFIG = offsetof(struct ctrl_reg, sec_bus_config),
MSI_CTRL = offsetof(struct ctrl_reg, msi_ctrl),
PROG_INTERFACE = offsetof(struct ctrl_reg, prog_interface),
CMD = offsetof(struct ctrl_reg, cmd),
CMD_STATUS = offsetof(struct ctrl_reg, cmd_status),
INTR_LOC = offsetof(struct ctrl_reg, intr_loc),
SERR_LOC = offsetof(struct ctrl_reg, serr_loc),
SERR_INTR_ENABLE = offsetof(struct ctrl_reg, serr_intr_enable),
SLOT1 = offsetof(struct ctrl_reg, slot1),
SLOT2 = offsetof(struct ctrl_reg, slot2),
SLOT3 = offsetof(struct ctrl_reg, slot3),
SLOT4 = offsetof(struct ctrl_reg, slot4),
SLOT5 = offsetof(struct ctrl_reg, slot5),
SLOT6 = offsetof(struct ctrl_reg, slot6),
SLOT7 = offsetof(struct ctrl_reg, slot7),
SLOT8 = offsetof(struct ctrl_reg, slot8),
SLOT9 = offsetof(struct ctrl_reg, slot9),
SLOT10 = offsetof(struct ctrl_reg, slot10),
SLOT11 = offsetof(struct ctrl_reg, slot11),
SLOT12 = offsetof(struct ctrl_reg, slot12),
BASE_OFFSET = offsetof(struct ctrl_reg, base_offset),
SLOT_AVAIL1 = offsetof(struct ctrl_reg, slot_avail1),
SLOT_AVAIL2 = offsetof(struct ctrl_reg, slot_avail2),
SLOT_CONFIG = offsetof(struct ctrl_reg, slot_config),
SEC_BUS_CONFIG = offsetof(struct ctrl_reg, sec_bus_config),
MSI_CTRL = offsetof(struct ctrl_reg, msi_ctrl),
PROG_INTERFACE = offsetof(struct ctrl_reg, prog_interface),
CMD = offsetof(struct ctrl_reg, cmd),
CMD_STATUS = offsetof(struct ctrl_reg, cmd_status),
INTR_LOC = offsetof(struct ctrl_reg, intr_loc),
SERR_LOC = offsetof(struct ctrl_reg, serr_loc),
SERR_INTR_ENABLE = offsetof(struct ctrl_reg, serr_intr_enable),
SLOT1 = offsetof(struct ctrl_reg, slot1),
};

/* Inline functions to check the sanity of a pointer that is passed to us */
static inline int slot_paranoia_check (struct slot *slot, const char *function)
{
if (!slot) {
dbg("%s - slot == NULL", function);
return -1;
}
if (!slot->hotplug_slot) {
dbg("%s - slot->hotplug_slot == NULL!", function);
return -1;
}
return 0;
}

static inline struct slot *get_slot (struct hotplug_slot *hotplug_slot, const char *function)
static inline struct slot *get_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot;

if (!hotplug_slot) {
dbg("%s - hotplug_slot == NULL\n", function);
return NULL;
}

slot = (struct slot *)hotplug_slot->private;
if (slot_paranoia_check (slot, function))
return NULL;
return slot;
return hotplug_slot->private;
}

static inline struct slot *shpchp_find_slot (struct controller *ctrl, u8 device)
static inline struct slot *shpchp_find_slot(struct controller *ctrl, u8 device)
{
struct slot *slot;

if (!ctrl)
return NULL;

list_for_each_entry(slot, &ctrl->slot_list, slot_list) {
if (slot->device == device)
return slot;
}

err("%s: slot (device=0x%x) not found\n", __FUNCTION__, device);

return NULL;
}

Expand Down Expand Up @@ -377,31 +311,27 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISCII_OFFSET, pcix_misc2_temp);
}

int shpc_init( struct controller *ctrl, struct pci_dev *pdev);

struct hpc_ops {
int (*power_on_slot ) (struct slot *slot);
int (*slot_enable ) (struct slot *slot);
int (*slot_disable ) (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);
int (*set_attention_status) (struct slot *slot, u8 status);
int (*get_latch_status) (struct slot *slot, u8 *status);
int (*get_adapter_status) (struct slot *slot, u8 *status);

int (*get_max_bus_speed) (struct slot *slot, enum pci_bus_speed *speed);
int (*get_cur_bus_speed) (struct slot *slot, enum pci_bus_speed *speed);
int (*get_adapter_speed) (struct slot *slot, enum pci_bus_speed *speed);
int (*get_mode1_ECC_cap) (struct slot *slot, u8 *mode);
int (*get_prog_int) (struct slot *slot, u8 *prog_int);

int (*query_power_fault) (struct slot *slot);
void (*green_led_on) (struct slot *slot);
void (*green_led_off) (struct slot *slot);
void (*green_led_blink) (struct slot *slot);
void (*release_ctlr) (struct controller *ctrl);
int (*check_cmd_status) (struct controller *ctrl);
int (*power_on_slot)(struct slot *slot);
int (*slot_enable)(struct slot *slot);
int (*slot_disable)(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);
int (*set_attention_status)(struct slot *slot, u8 status);
int (*get_latch_status)(struct slot *slot, u8 *status);
int (*get_adapter_status)(struct slot *slot, u8 *status);
int (*get_max_bus_speed)(struct slot *slot, enum pci_bus_speed *speed);
int (*get_cur_bus_speed)(struct slot *slot, enum pci_bus_speed *speed);
int (*get_adapter_speed)(struct slot *slot, enum pci_bus_speed *speed);
int (*get_mode1_ECC_cap)(struct slot *slot, u8 *mode);
int (*get_prog_int)(struct slot *slot, u8 *prog_int);
int (*query_power_fault)(struct slot *slot);
void (*green_led_on)(struct slot *slot);
void (*green_led_off)(struct slot *slot);
void (*green_led_blink)(struct slot *slot);
void (*release_ctlr)(struct controller *ctrl);
int (*check_cmd_status)(struct controller *ctrl);
};

#endif /* _SHPCHP_H */
22 changes: 11 additions & 11 deletions trunk/drivers/pci/hotplug/shpchp_core.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ void cleanup_slots(struct controller *ctrl)
*/
static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);

Expand All @@ -205,7 +205,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)

static int enable_slot (struct hotplug_slot *hotplug_slot)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);

Expand All @@ -214,7 +214,7 @@ static int enable_slot (struct hotplug_slot *hotplug_slot)

static int disable_slot (struct hotplug_slot *hotplug_slot)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);

Expand All @@ -223,7 +223,7 @@ static int disable_slot (struct hotplug_slot *hotplug_slot)

static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
int retval;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand All @@ -237,7 +237,7 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)

static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
int retval;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand All @@ -251,7 +251,7 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)

static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
int retval;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand All @@ -265,7 +265,7 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)

static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
int retval;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand All @@ -279,7 +279,7 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)

static int get_address (struct hotplug_slot *hotplug_slot, u32 *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
struct pci_bus *bus = slot->ctrl->pci_dev->subordinate;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand All @@ -291,7 +291,7 @@ static int get_address (struct hotplug_slot *hotplug_slot, u32 *value)

static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
int retval;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand All @@ -305,7 +305,7 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp

static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
struct slot *slot = get_slot(hotplug_slot);
int retval;

dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
Expand Down Expand Up @@ -355,7 +355,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Setup the slot information structures */
rc = init_slots(ctrl);
if (rc) {
err(msg_initialization_err, 6);
err("%s: slot initialization failed\n", SHPC_MODULE_NAME);
goto err_out_release_ctlr;
}

Expand Down
9 changes: 6 additions & 3 deletions trunk/drivers/pci/hotplug/shpchp_ctrl.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -493,10 +493,12 @@ static void handle_button_press_event(struct slot *p_slot)
p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (getstatus) {
p_slot->state = BLINKINGOFF_STATE;
info(msg_button_off, p_slot->name);
info("PCI slot #%s - powering off due to button "
"press.\n", p_slot->name);
} else {
p_slot->state = BLINKINGON_STATE;
info(msg_button_on, p_slot->name);
info("PCI slot #%s - powering on due to button "
"press.\n", p_slot->name);
}
/* blink green LED and turn off amber */
p_slot->hpc_ops->green_led_blink(p_slot);
Expand All @@ -519,7 +521,8 @@ static void handle_button_press_event(struct slot *p_slot)
else
p_slot->hpc_ops->green_led_off(p_slot);
p_slot->hpc_ops->set_attention_status(p_slot, 0);
info(msg_button_cancel, p_slot->name);
info("PCI slot #%s - action canceled due to button press\n",
p_slot->name);
p_slot->state = STATIC_STATE;
break;
case POWEROFF_STATE:
Expand Down

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