From 2b34da7e61383b4b7773d2d4e776e58725794347 Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Tue, 2 May 2006 11:09:42 +0900 Subject: [PATCH] SHPC: Cleanup SHPC Logical Slot Register access This patch cleans up the code to access slot logical registers. This patch has no functional changes. Signed-off-by: Kenji Kaneshige Cc: Kristen Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/shpchp_hpc.c | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) (limited to 'drivers/pci/hotplug/shpchp_hpc.c') diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c index 3abeb54..a5337cf 100644 --- a/drivers/pci/hotplug/shpchp_hpc.c +++ b/drivers/pci/hotplug/shpchp_hpc.c @@ -90,6 +90,11 @@ #define MRLSENSOR 0x40000000 #define ATTN_BUTTON 0x80000000 +/* + * Logical Slot Register definitions + */ +#define SLOT_REG(i) (SLOT1 + (4 * i)) + /* Slot Status Field Definitions */ /* Slot State */ #define PWR_ONLY 0x0001 @@ -433,7 +438,7 @@ static int hpc_get_attention_status(struct slot *slot, u8 *status) return -1; } - slot_reg = shpc_readl(ctrl, SLOT1 + 4*(slot->hp_slot)); + slot_reg = shpc_readl(ctrl, SLOT_REG(slot->hp_slot)); slot_status = (u16) slot_reg; atten_led_state = (slot_status & 0x0030) >> 4; @@ -474,7 +479,7 @@ static int hpc_get_power_status(struct slot * slot, u8 *status) return -1; } - slot_reg = shpc_readl(ctrl, SLOT1 + 4*(slot->hp_slot)); + slot_reg = shpc_readl(ctrl, SLOT_REG(slot->hp_slot)); slot_status = (u16) slot_reg; slot_state = (slot_status & 0x0003); @@ -514,7 +519,7 @@ static int hpc_get_latch_status(struct slot *slot, u8 *status) return -1; } - slot_reg = shpc_readl(ctrl, SLOT1 + 4*(slot->hp_slot)); + slot_reg = shpc_readl(ctrl, SLOT_REG(slot->hp_slot)); slot_status = (u16)slot_reg; *status = ((slot_status & 0x0100) == 0) ? 0 : 1; /* 0 -> close; 1 -> open */ @@ -538,7 +543,7 @@ static int hpc_get_adapter_status(struct slot *slot, u8 *status) return -1; } - slot_reg = shpc_readl(ctrl, SLOT1 + 4*(slot->hp_slot)); + slot_reg = shpc_readl(ctrl, SLOT_REG(slot->hp_slot)); slot_status = (u16)slot_reg; card_state = (u8)((slot_status & 0x0C00) >> 10); *status = (card_state != 0x3) ? 1 : 0; @@ -568,7 +573,7 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value) { int retval = 0; struct controller *ctrl = slot->ctrl; - u32 slot_reg = shpc_readl(ctrl, SLOT1 + 4 * slot->hp_slot); + u32 slot_reg = shpc_readl(ctrl, SLOT_REG(slot->hp_slot)); u8 pcix_cap = (slot_reg >> 12) & 7; u8 m66_cap = (slot_reg >> 9) & 1; @@ -648,7 +653,7 @@ static int hpc_query_power_fault(struct slot * slot) return -1; } - slot_reg = shpc_readl(ctrl, SLOT1 + 4*(slot->hp_slot)); + slot_reg = shpc_readl(ctrl, SLOT_REG(slot->hp_slot)); slot_status = (u16) slot_reg; pwr_fault_state = (slot_status & 0x0040) >> 7; status = (pwr_fault_state == 1) ? 0 : 1; @@ -805,7 +810,7 @@ static void hpc_release_ctlr(struct controller *ctrl) * Mask all slot event interrupts */ for (i = 0; i < ctrl->num_slots; i++) - shpc_writel(ctrl, SLOT1 + (4 * i), 0xffff3fff); + shpc_writel(ctrl, SLOT_REG(i), 0xffff3fff); cleanup_slots(ctrl); @@ -1072,7 +1077,7 @@ static irqreturn_t shpc_isr(int IRQ, void *dev_id, struct pt_regs *regs) for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) { /* To find out which slot has interrupt pending */ if ((intr_loc >> hp_slot) & 0x01) { - temp_dword = shpc_readl(ctrl, SLOT1 + (4*hp_slot)); + temp_dword = shpc_readl(ctrl, SLOT_REG(hp_slot)); dbg("%s: Slot %x with intr, slot register = %x\n", __FUNCTION__, hp_slot, temp_dword); temp_byte = (temp_dword >> 16) & 0xFF; @@ -1091,7 +1096,7 @@ static irqreturn_t shpc_isr(int IRQ, void *dev_id, struct pt_regs *regs) /* Clear all slot events */ temp_dword = 0xe01f3fff; - shpc_writel(ctrl, SLOT1 + (4*hp_slot), temp_dword); + shpc_writel(ctrl, SLOT_REG(hp_slot), temp_dword); intr_loc2 = shpc_readl(ctrl, INTR_LOC); dbg("%s: intr_loc2 = %x\n",__FUNCTION__, intr_loc2); @@ -1379,11 +1384,11 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) * Slot SERR-INT Mask & clear all the existing event if any */ for (hp_slot = 0; hp_slot < php_ctlr->num_slots; hp_slot++) { - slot_reg = shpc_readl(ctrl, SLOT1 + 4*hp_slot ); + slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); dbg("%s: Default Logical Slot Register %d value %x\n", __FUNCTION__, hp_slot, slot_reg); tempdword = 0xffff3fff; - shpc_writel(ctrl, SLOT1 + (4*hp_slot), tempdword); + shpc_writel(ctrl, SLOT_REG(hp_slot), tempdword); } if (shpchp_poll_mode) {/* Install interrupt polling code */ @@ -1430,11 +1435,11 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) ctlr_seq_num++; for (hp_slot = 0; hp_slot < php_ctlr->num_slots; hp_slot++) { - slot_reg = shpc_readl(ctrl, SLOT1 + 4*hp_slot ); + slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); dbg("%s: Default Logical Slot Register %d value %x\n", __FUNCTION__, hp_slot, slot_reg); tempdword = 0xe01f3fff; - shpc_writel(ctrl, SLOT1 + (4*hp_slot), tempdword); + shpc_writel(ctrl, SLOT_REG(hp_slot), tempdword); } if (!shpchp_poll_mode) { /* Unmask all general input interrupts and SERR */ -- cgit v1.1