cy7c67200_300_hcd_rh.c

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/*-------------------------------------------------------------------------*/
/*-------------------------------------------------------------------------*
 * CY7C67200/300 virtual root hub
 *  
 * based on usb-ohci.c by R. Weissgaerber et al.
 *-------------------------------------------------------------------------*
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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
 *
 *-------------------------------------------------------------------------*/

#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/init.h>

#include <linux/smp_lock.h>
#include <linux/list.h>
#include <linux/ioport.h>
#include <asm/io.h>
#include <asm/arch/irq.h>

#include <linux/usb.h>
#include "67300.h"
#include "cy7c67200_300_common.h"
#include "cy7c67200_300_lcd.h"
#include "lcp_cmd.h"
#include "lcp_data.h"
#include "cy7c67200_300_otg.h"
#include "cy7c67200_300_hcd.h"
#include "cy7c67200_300_hcd_simple.h"
#include "cy7c67200_300_debug.h"

__u32 get_port_stat_change(hci_t *hci, int port_num);
void set_port_stat(hci_t *hci, __u16 bitPos, int port_num);
void set_port_change(hci_t *hci, __u16 bitPos, int port_num);
void clr_port_stat(hci_t *hci, __u16 bitPos, int port_num);
void clr_port_change(hci_t *hci, __u16 bitPos, int port_num);
static void hc_host_usb_reset(cy_priv_t * cy_priv, int port_num);
static int cc_to_error (int cc);
int get_port_num_from_urb(cy_priv_t * cy_priv, urb_t * urb);
		

/*-------------------------------------------------------------------------*
 * Virtual Root Hub 
 *-------------------------------------------------------------------------*/
 
/* Device descriptor */
static __u8 root_hub_dev_des[4][18] =
{
    {
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
	},
	{
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
	},
	{
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
	},
	{
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
	}

};
#if 0
static __u8 root_hub_dev_des[1][] =
{
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
};

static __u8 root_hub_dev_des[2][] =
{
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
};

static __u8 root_hub_dev_des[3][] =
{
	0x12,       /*  __u8  bLength; */
	0x01,       /*  __u8  bDescriptorType; Device */
	0x10,	    /*  __u16 bcdUSB; v1.1 */
	0x01,
	0x09,	    /*  __u8  bDeviceClass; HUB_CLASSCODE */
	0x00,	    /*  __u8  bDeviceSubClass; */
	0x00,       /*  __u8  bDeviceProtocol; */
	0x08,       /*  __u8  bMaxPacketSize0; 8 Bytes */
	0x00,       /*  __u16 idVendor; */
	0x00,
	0x00,       /*  __u16 idProduct; */
 	0x00,
	0x00,       /*  __u16 bcdDevice; */
 	0x00,
	0x00,       /*  __u8  iManufacturer; */
	0x02,       /*  __u8  iProduct; */
	0x01,       /*  __u8  iSerialNumber; */
	0x01        /*  __u8  bNumConfigurations; */
};
#endif

/* Configuration descriptor */
static __u8 root_hub_config_des[4][25] =
{
	{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
	},
	{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
	},
	{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
	},
	{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
	}

};
#if 0
static __u8 root_hub_config_des[1][] =
{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
};

static __u8 root_hub_config_des[2][] =
{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
};

static __u8 root_hub_config_des[3][] =
{
	0x09,       /*  __u8  bLength; */
	0x02,       /*  __u8  bDescriptorType; Configuration */
	0x19,       /*  __u16 wTotalLength; */
	0x00,
	0x01,       /*  __u8  bNumInterfaces; */
	0x01,       /*  __u8  bConfigurationValue; */
	0x00,       /*  __u8  iConfiguration; */
	0x40,       /*  __u8  bmAttributes; 
                    Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 
                    4..0: resvd */
	0x00,       /*  __u8  MaxPower; */
      
	/* interface */	  
	0x09,       /*  __u8  if_bLength; */
	0x04,       /*  __u8  if_bDescriptorType; Interface */
	0x00,       /*  __u8  if_bInterfaceNumber; */
	0x00,       /*  __u8  if_bAlternateSetting; */
	0x01,       /*  __u8  if_bNumEndpoints; */
	0x09,       /*  __u8  if_bInterfaceClass; HUB_CLASSCODE */
	0x00,       /*  __u8  if_bInterfaceSubClass; */
	0x00,       /*  __u8  if_bInterfaceProtocol; */
	0x00,       /*  __u8  if_iInterface; */
     
	/* endpoint */
	0x07,       /*  __u8  ep_bLength; */
	0x05,       /*  __u8  ep_bDescriptorType; Endpoint */
	0x81,       /*  __u8  ep_bEndpointAddress; IN Endpoint 1 */
 	0x03,       /*  __u8  ep_bmAttributes; Interrupt */
 	0x02,       /*  __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
 	0x00,
	0xff        /*  __u8  ep_bInterval; 255 ms */
};

#endif
/* Hub class-specific descriptor is constructed dynamically */


/***************************************************************************
 * Function Name : rh_send_irq
 * 
 * This function examine the port change in the virtual root hub.
 * 
 * Note: This function assumes only one port exist in the root hub.
 *
 * Input:  hci = data structure for the host controller
 *         rh_data = The pointer to port change data
 *         rh_len = length of the data in bytes
 *
 * Return: length of data  
 **************************************************************************/

static int rh_send_irq (hci_t * hci, void * rh_data, int rh_len, int port_num)
{
    int num_ports;
    int i;
    int ret;
    int len;
    __u8 data[8];
		
//    cy_dbg("enter rh_send_irq: \n");

    /* Assuming the root hub has one port.  This value need to change if
     * there are more than one port for the root hub
     */

    num_ports = 1; 
	
    /* The root hub status is not implemented, it basically has two fields:
     *     -- Local Power Status
     *     -- Over Current Indicator
     *     -- Local Power Change
     *     -- Over Current Indicator
     *
     * Right now, It is assume the power is good and no changes 
     */