usb: ehci: Get rid of CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS

[people/ms/u-boot.git] / drivers / usb / host / ehci.h

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 164b3cb4c7925abdc00610c557b51f0873bcf878..7c39becd247e03caab60ba0a787f6024a4f28434 100644 (file)
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -3,20 +3,7 @@
  * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
  * All rights reserved.
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0
  */
 
 #ifndef USB_EHCI_H
@@ -24,9 +11,8 @@
 
 #include <usb.h>
 
-#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS     2
-#endif
+/* Section 2.2.3 - N_PORTS */
+#define MAX_HC_PORTS           15
 
 /*
  * Register Space.
@@ -75,7 +61,7 @@ struct ehci_hcor {
        uint32_t _reserved_1_[6];
        uint32_t or_configflag;
 #define FLAG_CF                (1 << 0)        /* true:  we'll support "high speed" */
-       uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
+       uint32_t or_portsc[MAX_HC_PORTS];
 #define PORTSC_PSPD(x)         (((x) >> 26) & 0x3)
 #define PORTSC_PSPD_FS                 0x0
 #define PORTSC_PSPD_LS                 0x1
@@ -115,12 +101,11 @@ struct usb_linux_config_descriptor {
 } __attribute__ ((packed));
 
 #if defined CONFIG_EHCI_DESC_BIG_ENDIAN
-#define        ehci_readl(x)           (*((volatile u32 *)(x)))
-#define ehci_writel(a, b)      (*((volatile u32 *)(a)) = ((volatile u32)b))
+#define ehci_readl(x)          cpu_to_be32(readl(x))
+#define ehci_writel(a, b)      writel(cpu_to_be32(b), a)
 #else
-#define ehci_readl(x)          cpu_to_le32((*((volatile u32 *)(x))))
-#define ehci_writel(a, b)      (*((volatile u32 *)(a)) = \
-                                       cpu_to_le32(((volatile u32)b)))
+#define ehci_readl(x)          cpu_to_le32(readl(x))
+#define ehci_writel(a, b)      writel(cpu_to_le32(b), a)
 #endif
 
 #if defined CONFIG_EHCI_MMIO_BIG_ENDIAN
@@ -238,7 +223,25 @@ struct QH {
        };
 };
 
+/* Tweak flags for EHCI, used to control operation */
+enum {
+       /* don't use or_configflag in init */
+       EHCI_TWEAK_NO_INIT_CF           = 1 << 0,
+};
+
+struct ehci_ctrl;
+
+struct ehci_ops {
+       void (*set_usb_mode)(struct ehci_ctrl *ctrl);
+       int (*get_port_speed)(struct ehci_ctrl *ctrl, uint32_t reg);
+       void (*powerup_fixup)(struct ehci_ctrl *ctrl, uint32_t *status_reg,
+                             uint32_t *reg);
+       uint32_t *(*get_portsc_register)(struct ehci_ctrl *ctrl, int port);
+       int (*init_after_reset)(struct ehci_ctrl *ctrl);
+};
+
 struct ehci_ctrl {
+       enum usb_init_type init;
        struct ehci_hccr *hccr; /* R/O registers, not need for volatile */
        struct ehci_hcor *hcor;
        int rootdev;
@@ -248,27 +251,24 @@ struct ehci_ctrl {
        uint32_t *periodic_list;
        int periodic_schedules;
        int ntds;
+       struct ehci_ops ops;
        void *priv;     /* client's private data */
 };
 
-/* Weak functions that drivers can override */
-int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg);
-void ehci_set_usbmode(struct ehci_ctrl *ctrl);
-void ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
-                       uint32_t *reg);
-uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, int port);
-
 /**
- * ehci_set_controller_priv() - Set up private data for the controller
+ * ehci_set_controller_info() - Set up private data for the controller
  *
  * This function can be called in ehci_hcd_init() to tell the EHCI layer
  * about the controller's private data pointer. Then in the above functions
- * this can be accessed given the struct ehci_ctrl pointer.
+ * this can be accessed given the struct ehci_ctrl pointer. Also special
+ * EHCI operation methods can be provided if required
  *
  * @index:     Controller number to set
  * @priv:      Controller pointer
+ * @ops:       Controller operations, or NULL to use default
  */
-void ehci_set_controller_priv(int index, void *priv);
+void ehci_set_controller_priv(int index, void *priv,
+                             const struct ehci_ops *ops);
 
 /**
  * ehci_get_controller_priv() - Get controller private data
@@ -283,4 +283,10 @@ int ehci_hcd_init(int index, enum usb_init_type init,
                struct ehci_hccr **hccr, struct ehci_hcor **hcor);
 int ehci_hcd_stop(int index);
 
+int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
+                 struct ehci_hcor *hcor, const struct ehci_ops *ops,
+                 uint tweaks, enum usb_init_type init);
+int ehci_deregister(struct udevice *dev);
+extern struct dm_usb_ops ehci_usb_ops;
+
 #endif /* USB_EHCI_H */