Ejemplo n.º 1
0
/*
 * Call PnP BIOS with function 0x0a, "get statically allocated resource
 * information"
 */
static int __pnp_bios_get_stat_res(char *info)
{
	u16 status;

	if (!pnp_bios_present())
		return PNP_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_GET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1,
			       PNP_DS, 0, 0, 0, 0, info, 65536, NULL, 0);
	return status;
}
Ejemplo n.º 2
0
/*
 * Call PnP BIOS function 0x42, "read ESCD"
 * nvram_base is determined by calling escd_info
 */
static int __pnp_bios_read_escd(char *data, u32 nvram_base)
{
	u16 status;

	if (!pnp_bios_present())
		return ESCD_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_READ_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0,
			       0, data, 65536, __va(nvram_base), 65536);
	return status;
}
Ejemplo n.º 3
0
/*
 * Call PnP BIOS with function 0x41, "get ESCD info"
 */
static int __pnp_bios_escd_info(struct escd_info_struc *data)
{
	u16 status;

	if (!pnp_bios_present())
		return ESCD_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_GET_ESCD_INFO, 0, PNP_TS1, 2, PNP_TS1, 4,
			       PNP_TS1, PNP_DS, data,
			       sizeof(struct escd_info_struc), NULL, 0);
	return status;
}
Ejemplo n.º 4
0
/*
 * Call PnP BIOS with function 0x40, "get isa pnp configuration structure"
 */
static int __pnp_bios_isapnp_config(struct pnp_isa_config_struc *data)
{
	u16 status;

	if (!pnp_bios_present())
		return PNP_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_GET_PNP_ISA_CONFIG_STRUC, 0, PNP_TS1, PNP_DS,
			       0, 0, 0, 0, data,
			       sizeof(struct pnp_isa_config_struc), NULL, 0);
	return status;
}
Ejemplo n.º 5
0
/*
 * Call PnP BIOS with function 0x05, "get docking station information"
 */
int pnp_bios_dock_station_info(struct pnp_docking_station_info *data)
{
	u16 status;

	if (!pnp_bios_present())
		return PNP_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_GET_DOCKING_STATION_INFORMATION, 0, PNP_TS1,
			       PNP_DS, 0, 0, 0, 0, data,
			       sizeof(struct pnp_docking_station_info), NULL,
			       0);
	return status;
}
Ejemplo n.º 6
0
/*
 * Call PnP BIOS with function 0x00, "get number of system device nodes"
 */
static int __pnp_bios_dev_node_info(struct pnp_dev_node_info *data)
{
	u16 status;

	if (!pnp_bios_present())
		return PNP_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_GET_NUM_SYS_DEV_NODES, 0, PNP_TS1, 2,
			       PNP_TS1, PNP_DS, 0, 0, data,
			       sizeof(struct pnp_dev_node_info), NULL, 0);
	data->no_nodes &= 0xff;
	return status;
}
Ejemplo n.º 7
0
/*
 * Call PnP BIOS with function 0x02, "set system device node"
 * Input: *nodenum = desired node, 
 *        boot = whether to set nonvolatile boot (!=0)
 *               or volatile current (0) config
 */
static int __pnp_bios_set_dev_node(u8 nodenum, char boot,
				   struct pnp_bios_node *data)
{
	u16 status;

	if (!pnp_bios_present())
		return PNP_FUNCTION_NOT_SUPPORTED;
	if (!boot && pnpbios_dont_use_current_config)
		return PNP_FUNCTION_NOT_SUPPORTED;
	status = call_pnp_bios(PNP_SET_SYS_DEV_NODE, nodenum, 0, PNP_TS1,
			       boot ? 2 : 1, PNP_DS, 0, 0, data, 65536, NULL,
			       0);
	return status;
}
Ejemplo n.º 8
0
/* 
 * Call PnP BIOS with function 0x01, "get system device node"
 * Input: *nodenum = desired node,
 *        boot = whether to get nonvolatile boot (!=0)
 *               or volatile current (0) config
 * Output: *nodenum=next node or 0xff if no more nodes
 */
static int __pnp_bios_get_dev_node(u8 *nodenum, char boot,
				   struct pnp_bios_node *data)
{
	u16 status;
	u16 tmp_nodenum;

	if (!pnp_bios_present())
		return PNP_FUNCTION_NOT_SUPPORTED;
	if (!boot && pnpbios_dont_use_current_config)
		return PNP_FUNCTION_NOT_SUPPORTED;
	tmp_nodenum = *nodenum;
	status = call_pnp_bios(PNP_GET_SYS_DEV_NODE, 0, PNP_TS1, 0, PNP_TS2,
			       boot ? 2 : 1, PNP_DS, 0, &tmp_nodenum,
			       sizeof(tmp_nodenum), data, 65536);
	*nodenum = tmp_nodenum;
	return status;
}
Ejemplo n.º 9
0
void pnp_proc_init(void)
{
	struct pnp_bios_node *node;
	struct proc_dir_entry *ent;
	char name[3];
	u8 num;

	if (!pnp_bios_present()) return;
	if (pnp_bios_dev_node_info(&node_info) != 0)
		return;
	
	proc_pnp = proc_mkdir("pnp", proc_bus);
	if (!proc_pnp) return;
	proc_pnp_boot = proc_mkdir("boot", proc_pnp);
	if (!proc_pnp_boot) return;
	create_proc_read_entry("devices", 0, proc_pnp,
			       proc_read_devices, NULL);
	
	node = kmalloc(node_info.max_node_size, GFP_KERNEL);
	if (!node) return;
	for (num = 0; num != 0xff; ) {
		if (pnp_bios_get_dev_node(&num, 0, node) != 0)
			break;
		sprintf(name, "%02x", node->handle);
		ent = create_proc_entry(name, 0, proc_pnp);
		if (ent) {
			ent->read_proc = proc_read_node;
			ent->write_proc = proc_write_node;
			ent->data = (void *)(long)(node->handle);
		}
		ent = create_proc_entry(name, 0, proc_pnp_boot);
		if (ent) {
			ent->read_proc = proc_read_node;
			ent->write_proc = proc_write_node;
			ent->data = (void *)(long)(node->handle+0x100);
		}
	}
	kfree(node);
}