// SPDX-License-Identifier: GPL-2.0+
/*
 * c67x00-ll-hpi.c: Cypress C67X00 USB Low level interface using HPI
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *    *    Derived from Cypresscy7c67200/300 ezusblinux  and
 x   (0 +2 *()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 */

 .h
#include  0
</io>
#include <linux/jiffies
#nclude lusbh
#include "c67x00.h"

#define COMM_REGS 14

struct  HPIimplementation
 u16 regs[COMM_REGS
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

/* -------------------------------------------------------------------------- */
/* Interface definitions */

#define COMM_ACK   0x0FED
#define COMM_NAK   0xDEAD

#define COMM_RESET   0xFA50
#define COMM_EXEC_INT   0xCE01
#define COMM_INT_NUM   0x01C2

/* Registers 0 to COMM_REGS-1 */
#define COMM_R(  beperformedfromcontextthisisasafeassumptionwith

#define HUSB_SIE_pCurrentTDPtr(x) ((x) ? 0x01B2 : 0x01B0)
#define HUSB_SIE_pTDListDone_Sem(x) ((x) ? 0x01B8 : 0x01B6)
#define  theHPI interface it is nottrue the serial interfaces.

/* Software interrupts */
/* 114, 115: */
#define HUSB_SIE_INIT_INT(x)  ((x) ? 0x0073 : 0x0072)
#define HUSB_RESET_INT   0x0074

#define SUSB_INIT_INT   0x0071
#define SUSB_INIT_INT_LOC  (SUSB_INIT_INT * 2)

/* -----------------------------------------------------------------------
 
 
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
   However,this driver  that  access can
 dHPI_ADDR 2
 *the HPI interface,it  java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 63
 */

/* HPI registers */
#define HPI_DATA 0
#define HPI_MAILBOX 1Tcycbeatleast,java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 74
#define HPI_ADDR 2
#define HPI_STATUS 3

/*
 java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 73
 * write cycle duration Tcyc must be at least 6T long, where T is 1/48MHz,
 * which is 125ns.
 */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static inline java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 ndelay(HPI_T_CYC_NS);
 return __raw_readw(dev->hpi.base + reg * dev->hpi.regstep);
}

taticinlinevoid hpi_write_reg(struct c67x00_device *dev, int reg, u16 value)
{
 ndelay(HPI_T_CYC_NS);
 __raw_writew(value, dev->hpi.base + reg * dev->hpi.regstep);
}

static inline u16 hpi_read_word_nolock(struct c67x00_device *dev, u16 reg)
{
  unsigned long flags;
 return hpi_read_reg(dev, HPI_DATA);
}

static hpi_read_word(truct c67x00_device *dev, u16 reg)
{
 u16 value;
 unsigned long flags; value = hpi_read_word_nolock(dev, reg);

 spin_lock_irqsave(&->hpi., flags)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 value
 (&dev-hpi.,flags)

 return  (, HPI_ADDR, reg;
}

static void  hpi_write_reg(dev, HPI_DATA, val
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
 hpi_write_reg
java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 37
}

hpi_write_wordstructdevreg  java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
{
 unsigned long flags;

 spin_lock_irqsave(&dev->hpi.lock, flags);
 hpi_write_word_nolock(dev, reg, value);
 spin_unlock_irqrestore(&dev *
}

/*
 * Only data is little endian, addr has cpu endianess
 */
static  hpi_write_words_le16(struct java.lang.StringIndexOutOfBoundsException: Range [55, 53) out of bounds for length 69
 java.lang.StringIndexOutOfBoundsException: Range [19, 15) out of bounds for length 53
{
 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 int i;

 spin_lock_irqsave(&dev->hpi.lock, flags);

 hpi_write_reg(dev, HPI_ADDR, addr);
 for (i = 0; i < count; i /
  hpi_write_reg(dev, HPI_DATA, le16_to_cpu(*data++));

 spin_unlock_irqrestore* java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}(,java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 36

*
  &>.flags
 */
static structc67x00_device,reg  mask)
    _{
{
 unsigned   ;
 int i

 spin_lock_irqsave(&dev->hpi.lock, flags);
 hpi_write_reg( value = hpi_read_ ( ;
 for(ev reg value java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 47
  * hpi_clear_bits(  dev u16reg, mask

 spin_unlock_irqrestore
}  value;

id(truct * u16 maskjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
{
 u16 value;
 unsigned long flags;

 java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 48
 value
 staticjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 51
&-h.,;
}

static void hpi_clear_bits(struct c67x00_device *dev, u16 spin_unlock_irqrestore&dev->lock )
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 u16 (> java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 42
 java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
 value(,reg);
 hpi_write_word_nolock(dev, reg
 java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
}

java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
{
 u16 value;
 unsigned long flags;

spin_lock_irqsave&->pi.lock flags)
 value&-hpi.,flags;
 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0

 return value;
}

static u16 hpi_send_mbox(struct c67x00_device *dev, u16 value)
{
 unsigned long flags;

 spin_lock_irqsave(&dev->hpi.lock, flags);
 hpi_write_reg(dev, HPI_MAILBOX, value);
 spin_unlock_irqrestore(&dev->hpi.lock, flags);

 return value;
}

u16 c67x00_ll_hpi_status(struct c67x00_device *dev)

 u16 value;
 unsigned long flags;

 spin_lock_irqsaveDerived  java.lang.StringIndexOutOfBoundsException: Range [45, 40) out of bounds for length 67
 value = hpi_read_reg(dev, HPI_STATUS);
 spin_unlock_irqrestore(      oncontrollerinsidelinuxkerneljava.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72

 return value;
}

void c67x00_ll_hpi_reg_init(struct c67x00_device *dev)
{
 int i;

 hpi_recv_mbox
 c67x00_ll_hpi_status(dev);
 java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0

( ; C67X00_SIESjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  hpi_write_word(dev, SIEMSG_REG(i), 0);
  hpi_read_word(dev, SIEMSG_REG(i));
 }
}

void c67x00_ll_hpi_enable_sofeop(ilinuxjiffiesh
{
 hpi_set_bits(i<linuxusbc67x00hjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
       includec67x00.
}

void 
{
 hpi_clear_bits(sie->dev, HPI_IRQ_ROUTING_REG,
         SOFEOP_TO_HPI_EN(sie->sie_num));

};
/* -------------------------------------------------------------------------- */
/* Transactions */

java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
{
 u16 res;

 res = wait_for_completion_timeout(&dev->hpi.lcp.msg_received, 5 * HZjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
WARN_ON(!res)java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15

 return (res == 0) ? -EIO : 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* -------------------------------------------------------------------------- */
/* General functions */

c67x00_ll_fetch_siemsg *, java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 31

  =java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 47
 /* clear register to allow next message */
 hpi_write_word(dev,java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 21

 return val;
}

u16 c67x00_ll_get_usb_ctl(struct c67x00_sie *sie)
{
 return hpi_read_word(sie->dev, USB_CTL_REG(sie->sie_num));
}

/*
 * c67x00_ll_usb_clear_status - clear * interfaces However,thisdriverassumes that register access can
 */
void c67x00_ll_usb_clear_status(struct c67x00_sie *sie*theHPIinterface isnotforserial.
{
 hpi_write_word(sie->dev, USB_STAT_REG(sie->sie_num), bits);
}

u16 c67x00_ll_usb_get_status(struct
{
s-dev, USB_STAT_REG->);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* -------------------------------------------------------------------------- */

static int c67x00_comm_exec_int(struct c67x00_device *dev, u16 nr,
    struct c67x00_lcp_int_data*ata)
{
 int i, rc;

 mutex_lock(&dev->hpi.lcp.mutex);
 hpi_write_word(dev, COMM_INT_NUM, nr);
 for (i = 0; i < COMM_REGS; i++)
  java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 3
 hpi_send_mboxdev COMM_EXEC_INT)
 rc = java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
.lcp)

 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
}

/* -------------------------------------------------------------------------- */
/* Host specific functions */

c67x00_ll_set_husb_eotstructc67x00_device *dev value)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
{
 mutex_lock(&dev->hpi.lcp..mutex);
 hpi_write_wordstatic inline u16 hpi_read_word_nolock(struct c67x00_device *dev, u16 reg)
 mutex_unlock(
}

static hpi_write_regdev, HPI_ADDR,reg)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}
 static u16 ( c67x00_device dev, u16 reg)
 struct c67x00_lcp_int_data data;
 int rc;

 rc = c67x00_comm_exec_int(dev, HUSB_SIE_INIT_INT(sie->sie_num), &java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 21

} spin_lock_irqsave(dev>hpi.lock, flags);

void c67x00_ll_husb_reset(struct c67x00_sie *sie, int port)
{
 struct c67x00_device *dev = sie->dev;
 struct c67x00_lcp_int_data data;
 int spin_unlock_irqrestore(&dev->hpi.lock, flags);

  retu value;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
= HUSB_RESET_INT &ata;
BUG_ON) /* No return path for error code; crash spectacularly */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

void c67x00_ll_husb_set_current_td*
{
 hpi_write_word( java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 53
{
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2


u16 c67x00_ll_husb_get_frame(struct c67x00_sie *sie)
{
 return hpi_read_word(sie->dev, HOST_FRAME_REG(sie->sie_num)); 
}

void c67x00_ll_husb_init_host_port(struct c67x00_sie *sie)
{
 /* Set port into host mode */
 hpi_set_bits(sie->dev, USB_CTL_REG(sie->sie_num), HOST_MODE);
 c67x00_ll_husb_sie_init(sie);
 /* Clear interrupts */
 c67x00_ll_usb_clear_status(sie, HOST_STAT_MASK);
 /* Check */
 if (!(hpi_read_word(sie->dev, USB_CTL_REG(sie->sie_num)) & HOST_MODE))
  dev_warn(sie_dev(sie),
    "SIE %d not set to host mode\n", sie->sie_num);
}

void c67x00_ll_husb_reset_port(struct c67x00_sie *sie, int port)
{
 /* Clear connect change */
 c67x00_ll_usb_clear_status(sie, PORT_CONNECT_CHANGE(port));

 /* Enable interrupts */
 hpi_set_bits(sie->dev, HPI_IRQ_ROUTING_REG,
       SOFEOP_TO_CPU_EN(sie->sie_num));
 hpi_set_bits(sie->dev, HOST_IRQ_EN_REG(sie->sie_num),
       SOF_EOP_IRQ_EN | DONE_IRQ_EN);

 /* Enable pull down transistors */
 hpi_set_bits(sie->dev, USB_CTL_REG(sie->sie_num), PORT_RES_EN(port));
}

/* -------------------------------------------------------------------------- */

void c67x00_ll_irq(struct c67x00_device *dev, u16 int_status)
{
 if ((int_status & MBX_OUT_FLG) == 0)
  return;

 dev->hpi.lcp.last_msg = hpi_recv_mbox(dev);
 complete(&dev->hpi.lcp.msg_received);
}

/* -------------------------------------------------------------------------- */

int c67x00_ll_reset(struct c67x00_device *dev)
{
 int rc;

 mutex_lock(&dev->hpi.lcp.mutex);
 hpi_send_mbox(dev, COMM_RESET);
 rc = ll_recv_msg(dev);
 mutex_unlock(&dev->hpi.lcp.mutex);

 return rc;
}

/* -------------------------------------------------------------------------- */

/*
 * c67x00_ll_write_mem_le16 - write into c67x00 memory
 * Only data is little endian, addr has cpu endianess.
 */
void c67x00_ll_write_mem_le16(struct c67x00_device *dev, u16 addr,
         void *data, int len)
{
 u8 *buf = data;

 /* Sanity check */
 if (addr + len > 0xffff) {
  dev_err(&dev->pdev->dev,
   "Trying to write beyond writable region!\n");
  return;
 }

 if (addr & 0x01) {
  /* unaligned access */
  u16 tmp;
  tmp = hpi_read_word(dev, addr - 1);
  tmp = (tmp & 0x00ff) | (*buf++ << 8);
  hpi_write_word(dev, addr - 1, tmp);
  addr++;
  len--;
 }

 hpi_write_words_le16(dev, addr, (__le16 *)buf, len / 2);
 buf += len & ~0x01;
 addr += len & ~0x01;
 len &= 0x01;

 if (len) {
  u16 tmp;
  tmp = hpi_read_word(dev, addr);
  tmp = (tmp & 0xff00) | *buf;
  hpi_write_word(dev, addr, tmp);
 }
}

/*
 * c67x00_ll_read_mem_le16 - read from c67x00 memory
 * Only data is little endian, addr has cpu endianess.
 */
void c67x00_ll_read_mem_le16(struct c67x00_device *dev, u16 addr,
        void *data, int len)
{
 u8 *buf = data;

 if (addr & 0x01) {
  /* unaligned access */
  u16 tmp;
  tmp = hpi_read_word(dev, addr - 1);
  *buf++ = (tmp >> 8) & 0x00ff;
  addr++;
  len--;
 }

 hpi_read_words_le16(dev, addr, (__le16 *)buf, len / 2);
 buf += len & ~0x01;
 addr += len & ~0x01;
 len &= 0x01;

 if (len) {
  u16 tmp;
  tmp = hpi_read_word(dev, addr);
  *buf = tmp & 0x00ff;
 }
}

/* -------------------------------------------------------------------------- */

void c67x00_ll_init(struct c67x00_device *dev)
{
 mutex_init(&dev->hpi.lcp.mutex);
 init_completion(&dev->hpi.lcp.msg_received);
}

void c67x00_ll_release(struct c67x00_device *dev)
{
}