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openwrt-owl/target/linux/cns3xxx/files/drivers/usb/dwc/otg_cil.h

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cns3xxx: convert dwc_otg patches to files SVN-Revision: 34162
2012-11-11 20:03:58 +00:00
/* ==========================================================================
* $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_cil.h $
* $Revision: #91 $
* $Date: 2008/09/19 $
* $Change: 1099526 $
*
* Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
* "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
* otherwise expressly agreed to in writing between Synopsys and you.
*
* The Software IS NOT an item of Licensed Software or Licensed Product under
* any End User Software License Agreement or Agreement for Licensed Product
* with Synopsys or any supplement thereto. You are permitted to use and
* redistribute this Software in source and binary forms, with or without
* modification, provided that redistributions of source code must retain this
* notice. You may not view, use, disclose, copy or distribute this file or
* any information contained herein except pursuant to this license grant from
* Synopsys. If you do not agree with this notice, including the disclaimer
* below, then you are not authorized to use the Software.
*
* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* ========================================================================== */
#if !defined(__DWC_CIL_H__)
#define __DWC_CIL_H__
#include <linux/workqueue.h>
#include <linux/version.h>
#include <asm/param.h>
//#include <asm/arch/regs-irq.h>
#include "otg_plat.h"
#include "otg_regs.h"
#ifdef DEBUG
#include "linux/timer.h"
#endif
/**
* @file
* This file contains the interface to the Core Interface Layer.
*/
/** Macros defined for DWC OTG HW Release verison */
#define OTG_CORE_REV_2_00 0x4F542000
#define OTG_CORE_REV_2_60a 0x4F54260A
#define OTG_CORE_REV_2_71a 0x4F54271A
#define OTG_CORE_REV_2_72a 0x4F54272A
/**
*/
typedef struct iso_pkt_info
{
uint32_t offset;
uint32_t length;
int32_t status;
} iso_pkt_info_t;
/**
* The <code>dwc_ep</code> structure represents the state of a single
* endpoint when acting in device mode. It contains the data items
* needed for an endpoint to be activated and transfer packets.
*/
typedef struct dwc_ep
{
/** EP number used for register address lookup */
uint8_t num;
/** EP direction 0 = OUT */
unsigned is_in : 1;
/** EP active. */
unsigned active : 1;
/** Periodic Tx FIFO # for IN EPs For INTR EP set to 0 to use non-periodic Tx FIFO
If dedicated Tx FIFOs are enabled for all IN Eps - Tx FIFO # FOR IN EPs*/
unsigned tx_fifo_num : 4;
/** EP type: 0 - Control, 1 - ISOC, 2 - BULK, 3 - INTR */
unsigned type : 2;
#define DWC_OTG_EP_TYPE_CONTROL 0
#define DWC_OTG_EP_TYPE_ISOC 1
#define DWC_OTG_EP_TYPE_BULK 2
#define DWC_OTG_EP_TYPE_INTR 3
/** DATA start PID for INTR and BULK EP */
unsigned data_pid_start : 1;
/** Frame (even/odd) for ISOC EP */
unsigned even_odd_frame : 1;
/** Max Packet bytes */
unsigned maxpacket : 11;
/** Max Transfer size */
unsigned maxxfer : 16;
/** @name Transfer state */
/** @{ */
/**
* Pointer to the beginning of the transfer buffer -- do not modify
* during transfer.
*/
uint32_t dma_addr;
uint32_t dma_desc_addr;
dwc_otg_dma_desc_t* desc_addr;
uint8_t *start_xfer_buff;
/** pointer to the transfer buffer */
uint8_t *xfer_buff;
/** Number of bytes to transfer */
unsigned xfer_len : 19;
/** Number of bytes transferred. */
unsigned xfer_count : 19;
/** Sent ZLP */
unsigned sent_zlp : 1;
/** Total len for control transfer */
unsigned total_len : 19;
/** stall clear flag */
unsigned stall_clear_flag : 1;
/** Allocated DMA Desc count */
uint32_t desc_cnt;
uint32_t aligned_dma_addr;
uint32_t aligned_buf_size;
uint8_t *aligned_buf;
#ifdef DWC_EN_ISOC
/**
* Variables specific for ISOC EPs
*
*/
/** DMA addresses of ISOC buffers */
uint32_t dma_addr0;
uint32_t dma_addr1;
uint32_t iso_dma_desc_addr;
dwc_otg_dma_desc_t* iso_desc_addr;
/** pointer to the transfer buffers */
uint8_t *xfer_buff0;
uint8_t *xfer_buff1;
/** number of ISOC Buffer is processing */
uint32_t proc_buf_num;
/** Interval of ISOC Buffer processing */
uint32_t buf_proc_intrvl;
/** Data size for regular frame */
uint32_t data_per_frame;
/* todo - pattern data support is to be implemented in the future */
/** Data size for pattern frame */
uint32_t data_pattern_frame;
/** Frame number of pattern data */
uint32_t sync_frame;
/** bInterval */
uint32_t bInterval;
/** ISO Packet number per frame */
uint32_t pkt_per_frm;
/** Next frame num for which will be setup DMA Desc */
uint32_t next_frame;
/** Number of packets per buffer processing */
uint32_t pkt_cnt;
/** Info for all isoc packets */
iso_pkt_info_t *pkt_info;
/** current pkt number */
uint32_t cur_pkt;
/** current pkt number */
uint8_t *cur_pkt_addr;
/** current pkt number */
uint32_t cur_pkt_dma_addr;
#endif //DWC_EN_ISOC
/** @} */
} dwc_ep_t;
/*
* Reasons for halting a host channel.
*/
typedef enum dwc_otg_halt_status
{
DWC_OTG_HC_XFER_NO_HALT_STATUS,
DWC_OTG_HC_XFER_COMPLETE,
DWC_OTG_HC_XFER_URB_COMPLETE,
DWC_OTG_HC_XFER_ACK,
DWC_OTG_HC_XFER_NAK,
DWC_OTG_HC_XFER_NYET,
DWC_OTG_HC_XFER_STALL,
DWC_OTG_HC_XFER_XACT_ERR,
DWC_OTG_HC_XFER_FRAME_OVERRUN,
DWC_OTG_HC_XFER_BABBLE_ERR,
DWC_OTG_HC_XFER_DATA_TOGGLE_ERR,
DWC_OTG_HC_XFER_AHB_ERR,
DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE,
DWC_OTG_HC_XFER_URB_DEQUEUE
} dwc_otg_halt_status_e;
/**
* Host channel descriptor. This structure represents the state of a single
* host channel when acting in host mode. It contains the data items needed to
* transfer packets to an endpoint via a host channel.
*/
typedef struct dwc_hc
{
/** Host channel number used for register address lookup */
uint8_t hc_num;
/** Device to access */
unsigned dev_addr : 7;
/** EP to access */
unsigned ep_num : 4;
/** EP direction. 0: OUT, 1: IN */
unsigned ep_is_in : 1;
/**
* EP speed.
* One of the following values:
* - DWC_OTG_EP_SPEED_LOW
* - DWC_OTG_EP_SPEED_FULL
* - DWC_OTG_EP_SPEED_HIGH
*/
unsigned speed : 2;
#define DWC_OTG_EP_SPEED_LOW 0
#define DWC_OTG_EP_SPEED_FULL 1
#define DWC_OTG_EP_SPEED_HIGH 2
/**
* Endpoint type.
* One of the following values:
* - DWC_OTG_EP_TYPE_CONTROL: 0
* - DWC_OTG_EP_TYPE_ISOC: 1
* - DWC_OTG_EP_TYPE_BULK: 2
* - DWC_OTG_EP_TYPE_INTR: 3
*/
unsigned ep_type : 2;
/** Max packet size in bytes */
unsigned max_packet : 11;
/**
* PID for initial transaction.
* 0: DATA0,<br>
* 1: DATA2,<br>
* 2: DATA1,<br>
* 3: MDATA (non-Control EP),
* SETUP (Control EP)
*/
unsigned data_pid_start : 2;
#define DWC_OTG_HC_PID_DATA0 0
#define DWC_OTG_HC_PID_DATA2 1
#define DWC_OTG_HC_PID_DATA1 2
#define DWC_OTG_HC_PID_MDATA 3
#define DWC_OTG_HC_PID_SETUP 3
/** Number of periodic transactions per (micro)frame */
unsigned multi_count: 2;
/** @name Transfer State */
/** @{ */
/** Pointer to the current transfer buffer position. */
uint8_t *xfer_buff;
/** Total number of bytes to transfer. */
uint32_t xfer_len;
/** Number of bytes transferred so far. */
uint32_t xfer_count;
/** Packet count at start of transfer.*/
uint16_t start_pkt_count;
/**
* Flag to indicate whether the transfer has been started. Set to 1 if
* it has been started, 0 otherwise.
*/
uint8_t xfer_started;
/**
* Set to 1 to indicate that a PING request should be issued on this
* channel. If 0, process normally.
*/
uint8_t do_ping;
/**
* Set to 1 to indicate that the error count for this transaction is
* non-zero. Set to 0 if the error count is 0.
*/
uint8_t error_state;
/**
* Set to 1 to indicate that this channel should be halted the next
* time a request is queued for the channel. This is necessary in
* slave mode if no request queue space is available when an attempt
* is made to halt the channel.
*/
uint8_t halt_on_queue;
/**
* Set to 1 if the host channel has been halted, but the core is not
* finished flushing queued requests. Otherwise 0.
*/
uint8_t halt_pending;
/**
* Reason for halting the host channel.
*/
dwc_otg_halt_status_e halt_status;
/*
* Split settings for the host channel
*/
uint8_t do_split; /**< Enable split for the channel */
uint8_t complete_split; /**< Enable complete split */
uint8_t hub_addr; /**< Address of high speed hub */
uint8_t port_addr; /**< Port of the low/full speed device */
/** Split transaction position
* One of the following values:
* - DWC_HCSPLIT_XACTPOS_MID
* - DWC_HCSPLIT_XACTPOS_BEGIN
* - DWC_HCSPLIT_XACTPOS_END
* - DWC_HCSPLIT_XACTPOS_ALL */
uint8_t xact_pos;
/** Set when the host channel does a short read. */
uint8_t short_read;
/**
* Number of requests issued for this channel since it was assigned to
* the current transfer (not counting PINGs).
*/
uint8_t requests;
/**
* Queue Head for the transfer being processed by this channel.
*/
struct dwc_otg_qh *qh;
/** @} */
/** Entry in list of host channels. */
struct list_head hc_list_entry;
} dwc_hc_t;
/**
* The following parameters may be specified when starting the module. These
* parameters define how the DWC_otg controller should be configured.
* Parameter values are passed to the CIL initialization function
* dwc_otg_cil_init.
*/
typedef struct dwc_otg_core_params
{
int32_t opt;
#define dwc_param_opt_default 1
/**
* Specifies the OTG capabilities. The driver will automatically
* detect the value for this parameter if none is specified.
* 0 - HNP and SRP capable (default)
* 1 - SRP Only capable
* 2 - No HNP/SRP capable
*/
int32_t otg_cap;
#define DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE 0
#define DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE 1
#define DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE 2
//#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE
#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE
/**
* Specifies whether to use slave or DMA mode for accessing the data
* FIFOs. The driver will automatically detect the value for this
* parameter if none is specified.
* 0 - Slave
* 1 - DMA (default, if available)
*/
int32_t dma_enable;
#define dwc_param_dma_enable_default 1
/**
* When DMA mode is enabled specifies whether to use address DMA or DMA Descritor mode for accessing the data
* FIFOs in device mode. The driver will automatically detect the value for this
* parameter if none is specified.
* 0 - address DMA
* 1 - DMA Descriptor(default, if available)
*/
int32_t dma_desc_enable;
#define dwc_param_dma_desc_enable_default 0
/** The DMA Burst size (applicable only for External DMA
* Mode). 1, 4, 8 16, 32, 64, 128, 256 (default 32)
*/
int32_t dma_burst_size; /* Translate this to GAHBCFG values */
//#define dwc_param_dma_burst_size_default 32
#define dwc_param_dma_burst_size_default 1
/**
* Specifies the maximum speed of operation in host and device mode.
* The actual speed depends on the speed of the attached device and
* the value of phy_type. The actual speed depends on the speed of the
* attached device.
* 0 - High Speed (default)
* 1 - Full Speed
*/
int32_t speed;
#define dwc_param_speed_default 0
#define DWC_SPEED_PARAM_HIGH 0
#define DWC_SPEED_PARAM_FULL 1
/** Specifies whether low power mode is supported when attached
* to a Full Speed or Low Speed device in host mode.
* 0 - Don't support low power mode (default)
* 1 - Support low power mode
*/
int32_t host_support_fs_ls_low_power;
#define dwc_param_host_support_fs_ls_low_power_default 0
/** Specifies the PHY clock rate in low power mode when connected to a
* Low Speed device in host mode. This parameter is applicable only if
* HOST_SUPPORT_FS_LS_LOW_POWER is enabled. If PHY_TYPE is set to FS
* then defaults to 6 MHZ otherwise 48 MHZ.
*
* 0 - 48 MHz
* 1 - 6 MHz
*/
int32_t host_ls_low_power_phy_clk;
#define dwc_param_host_ls_low_power_phy_clk_default 0
#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ 0
#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ 1
/**
* 0 - Use cC FIFO size parameters
* 1 - Allow dynamic FIFO sizing (default)
*/
int32_t enable_dynamic_fifo;
#define dwc_param_enable_dynamic_fifo_default 1
/** Total number of 4-byte words in the data FIFO memory. This
* memory includes the Rx FIFO, non-periodic Tx FIFO, and periodic
* Tx FIFOs.
* 32 to 32768 (default 8192)
* Note: The total FIFO memory depth in the FPGA configuration is 8192.
*/
int32_t data_fifo_size;
#define dwc_param_data_fifo_size_default 8192
/** Number of 4-byte words in the Rx FIFO in device mode when dynamic
* FIFO sizing is enabled.
* 16 to 32768 (default 1064)
*/
int32_t dev_rx_fifo_size;
//#define dwc_param_dev_rx_fifo_size_default 1064
#define dwc_param_dev_rx_fifo_size_default 0x100
/**
* Specifies whether dedicated transmit FIFOs are
* enabled for non periodic IN endpoints in device mode
* 0 - No
* 1 - Yes
*/
int32_t en_multiple_tx_fifo;
#define dwc_param_en_multiple_tx_fifo_default 1
/** Number of 4-byte words in each of the Tx FIFOs in device
* mode when dynamic FIFO sizing is enabled.
* 4 to 768 (default 256)
*/
uint32_t dev_tx_fifo_size[MAX_TX_FIFOS];
//#define dwc_param_dev_tx_fifo_size_default 256
#define dwc_param_dev_tx_fifo_size_default 0x80
/** Number of 4-byte words in the non-periodic Tx FIFO in device mode
* when dynamic FIFO sizing is enabled.
* 16 to 32768 (default 1024)
*/
int32_t dev_nperio_tx_fifo_size;
//#define dwc_param_dev_nperio_tx_fifo_size_default 1024
#define dwc_param_dev_nperio_tx_fifo_size_default 0x80
/** Number of 4-byte words in each of the periodic Tx FIFOs in device
* mode when dynamic FIFO sizing is enabled.
* 4 to 768 (default 256)
*/
uint32_t dev_perio_tx_fifo_size[MAX_PERIO_FIFOS];
//#define dwc_param_dev_perio_tx_fifo_size_default 256
#define dwc_param_dev_perio_tx_fifo_size_default 0x80
/** Number of 4-byte words in the Rx FIFO in host mode when dynamic
* FIFO sizing is enabled.
* 16 to 32768 (default 1024)
*/
int32_t host_rx_fifo_size;
//#define dwc_param_host_rx_fifo_size_default 1024
#define dwc_param_host_rx_fifo_size_default 0x292
/** Number of 4-byte words in the non-periodic Tx FIFO in host mode
* when Dynamic FIFO sizing is enabled in the core.
* 16 to 32768 (default 1024)
*/
int32_t host_nperio_tx_fifo_size;
//#define dwc_param_host_nperio_tx_fifo_size_default 1024
//#define dwc_param_host_nperio_tx_fifo_size_default 0x292
#define dwc_param_host_nperio_tx_fifo_size_default 0x80
/** Number of 4-byte words in the host periodic Tx FIFO when dynamic
* FIFO sizing is enabled.
* 16 to 32768 (default 1024)
*/
int32_t host_perio_tx_fifo_size;
//#define dwc_param_host_perio_tx_fifo_size_default 1024
#define dwc_param_host_perio_tx_fifo_size_default 0x292
/** The maximum transfer size supported in bytes.
* 2047 to 65,535 (default 65,535)
*/
int32_t max_transfer_size;
#define dwc_param_max_transfer_size_default 65535
/** The maximum number of packets in a transfer.
* 15 to 511 (default 511)
*/
int32_t max_packet_count;
#define dwc_param_max_packet_count_default 511
/** The number of host channel registers to use.
* 1 to 16 (default 12)
* Note: The FPGA configuration supports a maximum of 12 host channels.
*/
int32_t host_channels;
//#define dwc_param_host_channels_default 12
#define dwc_param_host_channels_default 16
/** The number of endpoints in addition to EP0 available for device
* mode operations.
* 1 to 15 (default 6 IN and OUT)
* Note: The FPGA configuration supports a maximum of 6 IN and OUT
* endpoints in addition to EP0.
*/
int32_t dev_endpoints;
//#define dwc_param_dev_endpoints_default 6
#define dwc_param_dev_endpoints_default 8
/**
* Specifies the type of PHY interface to use. By default, the driver
* will automatically detect the phy_type.
*
* 0 - Full Speed PHY
* 1 - UTMI+ (default)
* 2 - ULPI
*/
int32_t phy_type;
#define DWC_PHY_TYPE_PARAM_FS 0
#define DWC_PHY_TYPE_PARAM_UTMI 1
#define DWC_PHY_TYPE_PARAM_ULPI 2
#define dwc_param_phy_type_default DWC_PHY_TYPE_PARAM_UTMI
/**
* Specifies the UTMI+ Data Width. This parameter is
* applicable for a PHY_TYPE of UTMI+ or ULPI. (For a ULPI
* PHY_TYPE, this parameter indicates the data width between
* the MAC and the ULPI Wrapper.) Also, this parameter is
* applicable only if the OTG_HSPHY_WIDTH cC parameter was set
* to "8 and 16 bits", meaning that the core has been
* configured to work at either data path width.
*
* 8 or 16 bits (default 16)
*/
int32_t phy_utmi_width;
#define dwc_param_phy_utmi_width_default 16
/**
* Specifies whether the ULPI operates at double or single
* data rate. This parameter is only applicable if PHY_TYPE is
* ULPI.
*
* 0 - single data rate ULPI interface with 8 bit wide data
* bus (default)
* 1 - double data rate ULPI interface with 4 bit wide data
* bus
*/
int32_t phy_ulpi_ddr;
#define dwc_param_phy_ulpi_ddr_default 0
/**
* Specifies whether to use the internal or external supply to
* drive the vbus with a ULPI phy.
*/
int32_t phy_ulpi_ext_vbus;
#define DWC_PHY_ULPI_INTERNAL_VBUS 0
#define DWC_PHY_ULPI_EXTERNAL_VBUS 1
#define dwc_param_phy_ulpi_ext_vbus_default DWC_PHY_ULPI_INTERNAL_VBUS
/**
* Specifies whether to use the I2Cinterface for full speed PHY. This
* parameter is only applicable if PHY_TYPE is FS.
* 0 - No (default)
* 1 - Yes
*/
int32_t i2c_enable;
#define dwc_param_i2c_enable_default 0
int32_t ulpi_fs_ls;
#define dwc_param_ulpi_fs_ls_default 0
int32_t ts_dline;
#define dwc_param_ts_dline_default 0
/** Thresholding enable flag-
* bit 0 - enable non-ISO Tx thresholding
* bit 1 - enable ISO Tx thresholding
* bit 2 - enable Rx thresholding
*/
uint32_t thr_ctl;
#define dwc_param_thr_ctl_default 0
/** Thresholding length for Tx
* FIFOs in 32 bit DWORDs
*/
uint32_t tx_thr_length;
#define dwc_param_tx_thr_length_default 64
/** Thresholding length for Rx
* FIFOs in 32 bit DWORDs
*/
uint32_t rx_thr_length;
#define dwc_param_rx_thr_length_default 64
/** Per Transfer Interrupt
* mode enable flag
* 1 - Enabled
* 0 - Disabled
*/
uint32_t pti_enable;
#define dwc_param_pti_enable_default 0
/** Molti Processor Interrupt
* mode enable flag
* 1 - Enabled
* 0 - Disabled
*/
uint32_t mpi_enable;
#define dwc_param_mpi_enable_default 0
} dwc_otg_core_params_t;
#ifdef DEBUG
struct dwc_otg_core_if;
typedef struct hc_xfer_info
{
struct dwc_otg_core_if *core_if;
dwc_hc_t *hc;
} hc_xfer_info_t;
#endif
/**
* The <code>dwc_otg_core_if</code> structure contains information needed to manage
* the DWC_otg controller acting in either host or device mode. It
* represents the programming view of the controller as a whole.
*/
typedef struct dwc_otg_core_if
{
/** Parameters that define how the core should be configured.*/
dwc_otg_core_params_t *core_params;
/** Core Global registers starting at offset 000h. */
dwc_otg_core_global_regs_t *core_global_regs;
/** Device-specific information */
dwc_otg_dev_if_t *dev_if;
/** Host-specific information */
dwc_otg_host_if_t *host_if;
/** Value from SNPSID register */
uint32_t snpsid;
/*
* Set to 1 if the core PHY interface bits in USBCFG have been
* initialized.
*/
uint8_t phy_init_done;
/*
* SRP Success flag, set by srp success interrupt in FS I2C mode
*/
uint8_t srp_success;
uint8_t srp_timer_started;
/* Common configuration information */
/** Power and Clock Gating Control Register */
volatile uint32_t *pcgcctl;
#define DWC_OTG_PCGCCTL_OFFSET 0xE00
/** Push/pop addresses for endpoints or host channels.*/
uint32_t *data_fifo[MAX_EPS_CHANNELS];
#define DWC_OTG_DATA_FIFO_OFFSET 0x1000
#define DWC_OTG_DATA_FIFO_SIZE 0x1000
/** Total RAM for FIFOs (Bytes) */
uint16_t total_fifo_size;
/** Size of Rx FIFO (Bytes) */
uint16_t rx_fifo_size;
/** Size of Non-periodic Tx FIFO (Bytes) */
uint16_t nperio_tx_fifo_size;
/** 1 if DMA is enabled, 0 otherwise. */
uint8_t dma_enable;
/** 1 if Descriptor DMA mode is enabled, 0 otherwise. */
uint8_t dma_desc_enable;
/** 1 if PTI Enhancement mode is enabled, 0 otherwise. */
uint8_t pti_enh_enable;
/** 1 if MPI Enhancement mode is enabled, 0 otherwise. */
uint8_t multiproc_int_enable;
/** 1 if dedicated Tx FIFOs are enabled, 0 otherwise. */
uint8_t en_multiple_tx_fifo;
/** Set to 1 if multiple packets of a high-bandwidth transfer is in
* process of being queued */
uint8_t queuing_high_bandwidth;
/** Hardware Configuration -- stored here for convenience.*/
hwcfg1_data_t hwcfg1;
hwcfg2_data_t hwcfg2;
hwcfg3_data_t hwcfg3;
hwcfg4_data_t hwcfg4;
/** Host and Device Configuration -- stored here for convenience.*/
hcfg_data_t hcfg;
dcfg_data_t dcfg;
/** The operational State, during transations
* (a_host>>a_peripherial and b_device=>b_host) this may not
* match the core but allows the software to determine
* transitions.
*/
uint8_t op_state;
/**
* Set to 1 if the HCD needs to be restarted on a session request
* interrupt. This is required if no connector ID status change has
* occurred since the HCD was last disconnected.
*/
uint8_t restart_hcd_on_session_req;
/** HCD callbacks */
/** A-Device is a_host */
#define A_HOST (1)
/** A-Device is a_suspend */
#define A_SUSPEND (2)
/** A-Device is a_peripherial */
#define A_PERIPHERAL (3)
/** B-Device is operating as a Peripheral. */
#define B_PERIPHERAL (4)
/** B-Device is operating as a Host. */
#define B_HOST (5)
/** HCD callbacks */
struct dwc_otg_cil_callbacks *hcd_cb;
/** PCD callbacks */
struct dwc_otg_cil_callbacks *pcd_cb;
/** Device mode Periodic Tx FIFO Mask */
uint32_t p_tx_msk;
/** Device mode Periodic Tx FIFO Mask */
uint32_t tx_msk;
/** Workqueue object used for handling several interrupts */
struct workqueue_struct *wq_otg;
/** Work object used for handling "Connector ID Status Change" Interrupt */
struct work_struct w_conn_id;
/** Work object used for handling "Wakeup Detected" Interrupt */
struct delayed_work w_wkp;
#ifdef DEBUG
uint32_t start_hcchar_val[MAX_EPS_CHANNELS];
hc_xfer_info_t hc_xfer_info[MAX_EPS_CHANNELS];
struct timer_list hc_xfer_timer[MAX_EPS_CHANNELS];
uint32_t hfnum_7_samples;
uint64_t hfnum_7_frrem_accum;
uint32_t hfnum_0_samples;
uint64_t hfnum_0_frrem_accum;
uint32_t hfnum_other_samples;
uint64_t hfnum_other_frrem_accum;
#endif
} dwc_otg_core_if_t;
/*We must clear S3C24XX_EINTPEND external interrupt register
* because after clearing in this register trigerred IRQ from
* H/W core in kernel interrupt can be occured again before OTG
* handlers clear all IRQ sources of Core registers because of
* timing latencies and Low Level IRQ Type.
*/
#ifdef CONFIG_MACH_IPMATE
#define S3C2410X_CLEAR_EINTPEND() \
do { \
if (!dwc_otg_read_core_intr(core_if)) { \
__raw_writel(1UL << 11,S3C24XX_EINTPEND); \
} \
} while (0)
#else
#define S3C2410X_CLEAR_EINTPEND() do { } while (0)
#endif
/*
* The following functions are functions for works
* using during handling some interrupts
*/
extern void w_conn_id_status_change(struct work_struct *p);
extern void w_wakeup_detected(struct work_struct *p);
/*
* The following functions support initialization of the CIL driver component
* and the DWC_otg controller.
*/
extern dwc_otg_core_if_t *dwc_otg_cil_init(const uint32_t *_reg_base_addr,
dwc_otg_core_params_t *_core_params);
extern void dwc_otg_cil_remove(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_core_init(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_core_host_init(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_core_dev_init(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_enable_global_interrupts( dwc_otg_core_if_t *_core_if );
extern void dwc_otg_disable_global_interrupts( dwc_otg_core_if_t *_core_if );
/** @name Device CIL Functions
* The following functions support managing the DWC_otg controller in device
* mode.
*/
/**@{*/
extern void dwc_otg_wakeup(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_read_setup_packet (dwc_otg_core_if_t *_core_if, uint32_t *_dest);
extern uint32_t dwc_otg_get_frame_number(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_ep0_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep_deactivate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep_start_zl_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep0_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep_write_packet(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep, int _dma);
extern void dwc_otg_ep_set_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_ep_clear_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep);
extern void dwc_otg_enable_device_interrupts(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_dump_dev_registers(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_dump_spram(dwc_otg_core_if_t *_core_if);
#ifdef DWC_EN_ISOC
extern void dwc_otg_iso_ep_start_frm_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep);
extern void dwc_otg_iso_ep_start_buf_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep);
#endif //DWC_EN_ISOC
/**@}*/
/** @name Host CIL Functions
* The following functions support managing the DWC_otg controller in host
* mode.
*/
/**@{*/
extern void dwc_otg_hc_init(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
extern void dwc_otg_hc_halt(dwc_otg_core_if_t *_core_if,
dwc_hc_t *_hc,
dwc_otg_halt_status_e _halt_status);
extern void dwc_otg_hc_cleanup(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
extern void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
extern int dwc_otg_hc_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
extern void dwc_otg_hc_do_ping(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
extern void dwc_otg_hc_write_packet(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc);
extern void dwc_otg_enable_host_interrupts(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_disable_host_interrupts(dwc_otg_core_if_t *_core_if);
/**
* This function Reads HPRT0 in preparation to modify. It keeps the
* WC bits 0 so that if they are read as 1, they won't clear when you
* write it back
*/
static inline uint32_t dwc_otg_read_hprt0(dwc_otg_core_if_t *_core_if)
{
hprt0_data_t hprt0;
hprt0.d32 = dwc_read_reg32(_core_if->host_if->hprt0);
hprt0.b.prtena = 0;
hprt0.b.prtconndet = 0;
hprt0.b.prtenchng = 0;
hprt0.b.prtovrcurrchng = 0;
return hprt0.d32;
}
extern void dwc_otg_dump_host_registers(dwc_otg_core_if_t *_core_if);
/**@}*/
/** @name Common CIL Functions
* The following functions support managing the DWC_otg controller in either
* device or host mode.
*/
/**@{*/
extern void dwc_otg_read_packet(dwc_otg_core_if_t *core_if,
uint8_t *dest,
uint16_t bytes);
extern void dwc_otg_dump_global_registers(dwc_otg_core_if_t *_core_if);
extern void dwc_otg_flush_tx_fifo( dwc_otg_core_if_t *_core_if,
const int _num );
extern void dwc_otg_flush_rx_fifo( dwc_otg_core_if_t *_core_if );
extern void dwc_otg_core_reset( dwc_otg_core_if_t *_core_if );
extern dwc_otg_dma_desc_t* dwc_otg_ep_alloc_desc_chain(uint32_t * dma_desc_addr, uint32_t count);
extern void dwc_otg_ep_free_desc_chain(dwc_otg_dma_desc_t* desc_addr, uint32_t dma_desc_addr, uint32_t count);
/**
* This function returns the Core Interrupt register.
*/
static inline uint32_t dwc_otg_read_core_intr(dwc_otg_core_if_t *_core_if)
{
return (dwc_read_reg32(&_core_if->core_global_regs->gintsts) &
dwc_read_reg32(&_core_if->core_global_regs->gintmsk));
}
/**
* This function returns the OTG Interrupt register.
*/
static inline uint32_t dwc_otg_read_otg_intr (dwc_otg_core_if_t *_core_if)
{
return (dwc_read_reg32 (&_core_if->core_global_regs->gotgint));
}
/**
* This function reads the Device All Endpoints Interrupt register and
* returns the IN endpoint interrupt bits.
*/
static inline uint32_t dwc_otg_read_dev_all_in_ep_intr(dwc_otg_core_if_t *core_if)
{
uint32_t v;
if(core_if->multiproc_int_enable) {
v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachint) &
dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachintmsk);
} else {
v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) &
dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk);
}
return (v & 0xffff);
}
/**
* This function reads the Device All Endpoints Interrupt register and
* returns the OUT endpoint interrupt bits.
*/
static inline uint32_t dwc_otg_read_dev_all_out_ep_intr(dwc_otg_core_if_t *core_if)
{
uint32_t v;
if(core_if->multiproc_int_enable) {
v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachint) &
dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachintmsk);
} else {
v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) &
dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk);
}
return ((v & 0xffff0000) >> 16);
}
/**
* This function returns the Device IN EP Interrupt register
*/
static inline uint32_t dwc_otg_read_dev_in_ep_intr(dwc_otg_core_if_t *core_if,
dwc_ep_t *ep)
{
dwc_otg_dev_if_t *dev_if = core_if->dev_if;
uint32_t v, msk, emp;
if(core_if->multiproc_int_enable) {
msk = dwc_read_reg32(&dev_if->dev_global_regs->diepeachintmsk[ep->num]);
emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk);
msk |= ((emp >> ep->num) & 0x1) << 7;
v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) & msk;
} else {
msk = dwc_read_reg32(&dev_if->dev_global_regs->diepmsk);
emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk);
msk |= ((emp >> ep->num) & 0x1) << 7;
v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) & msk;
}
return v;
}
/**
* This function returns the Device OUT EP Interrupt register
*/
static inline uint32_t dwc_otg_read_dev_out_ep_intr(dwc_otg_core_if_t *_core_if,
dwc_ep_t *_ep)
{
dwc_otg_dev_if_t *dev_if = _core_if->dev_if;
uint32_t v;
doepmsk_data_t msk = { .d32 = 0 };
if(_core_if->multiproc_int_enable) {
msk.d32 = dwc_read_reg32(&dev_if->dev_global_regs->doepeachintmsk[_ep->num]);
if(_core_if->pti_enh_enable) {
msk.b.pktdrpsts = 1;
}
v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & msk.d32;
} else {
msk.d32 = dwc_read_reg32(&dev_if->dev_global_regs->doepmsk);
if(_core_if->pti_enh_enable) {
msk.b.pktdrpsts = 1;
}
v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & msk.d32;
}
return v;
}
/**
* This function returns the Host All Channel Interrupt register
*/
static inline uint32_t dwc_otg_read_host_all_channels_intr (dwc_otg_core_if_t *_core_if)
{
return (dwc_read_reg32 (&_core_if->host_if->host_global_regs->haint));
}
static inline uint32_t dwc_otg_read_host_channel_intr (dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc)
{
return (dwc_read_reg32 (&_core_if->host_if->hc_regs[_hc->hc_num]->hcint));
}
/**
* This function returns the mode of the operation, host or device.
*
* @return 0 - Device Mode, 1 - Host Mode
*/
static inline uint32_t dwc_otg_mode(dwc_otg_core_if_t *_core_if)
{
return (dwc_read_reg32( &_core_if->core_global_regs->gintsts ) & 0x1);
}
static inline uint8_t dwc_otg_is_device_mode(dwc_otg_core_if_t *_core_if)
{
return (dwc_otg_mode(_core_if) != DWC_HOST_MODE);
}
static inline uint8_t dwc_otg_is_host_mode(dwc_otg_core_if_t *_core_if)
{
return (dwc_otg_mode(_core_if) == DWC_HOST_MODE);
}
extern int32_t dwc_otg_handle_common_intr( dwc_otg_core_if_t *_core_if );
/**@}*/
/**
* DWC_otg CIL callback structure. This structure allows the HCD and
* PCD to register functions used for starting and stopping the PCD
* and HCD for role change on for a DRD.
*/
typedef struct dwc_otg_cil_callbacks
{
/** Start function for role change */
int (*start) (void *_p);
/** Stop Function for role change */
int (*stop) (void *_p);
/** Disconnect Function for role change */
int (*disconnect) (void *_p);
/** Resume/Remote wakeup Function */
int (*resume_wakeup) (void *_p);
/** Suspend function */
int (*suspend) (void *_p);
/** Session Start (SRP) */
int (*session_start) (void *_p);
/** Pointer passed to start() and stop() */
void *p;
} dwc_otg_cil_callbacks_t;
extern void dwc_otg_cil_register_pcd_callbacks( dwc_otg_core_if_t *_core_if,
dwc_otg_cil_callbacks_t *_cb,
void *_p);
extern void dwc_otg_cil_register_hcd_callbacks( dwc_otg_core_if_t *_core_if,
dwc_otg_cil_callbacks_t *_cb,
void *_p);
#ifndef warn
#define warn printk
#endif
#endif