};
struct s626_private {
- void __iomem *mmio;
uint8_t ai_cmd_running; /* ai_cmd is running */
uint8_t ai_continuous; /* continuous acquisition */
int ai_sample_count; /* number of samples to acquire */
static void s626_mc_enable(struct comedi_device *dev,
unsigned int cmd, unsigned int reg)
{
- struct s626_private *devpriv = dev->private;
unsigned int val = (cmd << 16) | cmd;
mmiowb();
- writel(val, devpriv->mmio + reg);
+ writel(val, dev->mmio + reg);
}
static void s626_mc_disable(struct comedi_device *dev,
unsigned int cmd, unsigned int reg)
{
- struct s626_private *devpriv = dev->private;
-
- writel(cmd << 16 , devpriv->mmio + reg);
+ writel(cmd << 16 , dev->mmio + reg);
mmiowb();
}
static bool s626_mc_test(struct comedi_device *dev,
unsigned int cmd, unsigned int reg)
{
- struct s626_private *devpriv = dev->private;
unsigned int val;
- val = readl(devpriv->mmio + reg);
+ val = readl(dev->mmio + reg);
return (val & cmd) ? true : false;
}
*/
static void s626_debi_transfer(struct comedi_device *dev)
{
- struct s626_private *devpriv = dev->private;
static const int timeout = 10000;
int i;
/* Wait until DEBI transfer is done */
for (i = 0; i < timeout; i++) {
- if (!(readl(devpriv->mmio + S626_P_PSR) & S626_PSR_DEBI_S))
+ if (!(readl(dev->mmio + S626_P_PSR) & S626_PSR_DEBI_S))
break;
udelay(1);
}
*/
static uint16_t s626_debi_read(struct comedi_device *dev, uint16_t addr)
{
- struct s626_private *devpriv = dev->private;
-
/* Set up DEBI control register value in shadow RAM */
- writel(S626_DEBI_CMD_RDWORD | addr, devpriv->mmio + S626_P_DEBICMD);
+ writel(S626_DEBI_CMD_RDWORD | addr, dev->mmio + S626_P_DEBICMD);
/* Execute the DEBI transfer. */
s626_debi_transfer(dev);
- return readl(devpriv->mmio + S626_P_DEBIAD);
+ return readl(dev->mmio + S626_P_DEBIAD);
}
/*
static void s626_debi_write(struct comedi_device *dev, uint16_t addr,
uint16_t wdata)
{
- struct s626_private *devpriv = dev->private;
-
/* Set up DEBI control register value in shadow RAM */
- writel(S626_DEBI_CMD_WRWORD | addr, devpriv->mmio + S626_P_DEBICMD);
- writel(wdata, devpriv->mmio + S626_P_DEBIAD);
+ writel(S626_DEBI_CMD_WRWORD | addr, dev->mmio + S626_P_DEBICMD);
+ writel(wdata, dev->mmio + S626_P_DEBIAD);
/* Execute the DEBI transfer. */
s626_debi_transfer(dev);
static void s626_debi_replace(struct comedi_device *dev, unsigned int addr,
unsigned int mask, unsigned int wdata)
{
- struct s626_private *devpriv = dev->private;
unsigned int val;
addr &= 0xffff;
- writel(S626_DEBI_CMD_RDWORD | addr, devpriv->mmio + S626_P_DEBICMD);
+ writel(S626_DEBI_CMD_RDWORD | addr, dev->mmio + S626_P_DEBICMD);
s626_debi_transfer(dev);
- writel(S626_DEBI_CMD_WRWORD | addr, devpriv->mmio + S626_P_DEBICMD);
- val = readl(devpriv->mmio + S626_P_DEBIAD);
+ writel(S626_DEBI_CMD_WRWORD | addr, dev->mmio + S626_P_DEBICMD);
+ val = readl(dev->mmio + S626_P_DEBIAD);
val &= mask;
val |= wdata;
- writel(val & 0xffff, devpriv->mmio + S626_P_DEBIAD);
+ writel(val & 0xffff, dev->mmio + S626_P_DEBIAD);
s626_debi_transfer(dev);
}
static int s626_i2c_handshake(struct comedi_device *dev, uint32_t val)
{
- struct s626_private *devpriv = dev->private;
unsigned int ctrl;
int ret;
/* Write I2C command to I2C Transfer Control shadow register */
- writel(val, devpriv->mmio + S626_P_I2CCTRL);
+ writel(val, dev->mmio + S626_P_I2CCTRL);
/*
* Upload I2C shadow registers into working registers and
/* Wait until I2C bus transfer is finished or an error occurs */
do {
- ctrl = readl(devpriv->mmio + S626_P_I2CCTRL);
+ ctrl = readl(dev->mmio + S626_P_I2CCTRL);
} while ((ctrl & (S626_I2C_BUSY | S626_I2C_ERR)) == S626_I2C_BUSY);
/* Return non-zero if I2C error occurred */
/* Abort function and declare error if handshake failed. */
return 0;
- return (readl(devpriv->mmio + S626_P_I2CCTRL) >> 16) & 0xff;
+ return (readl(dev->mmio + S626_P_I2CCTRL) >> 16) & 0xff;
}
/* *********** DAC FUNCTIONS *********** */
struct comedi_insn *insn,
unsigned long context)
{
- struct s626_private *devpriv = dev->private;
unsigned int status;
switch (context) {
case s626_send_dac_wait_not_mc1_a2out:
- status = readl(devpriv->mmio + S626_P_MC1);
+ status = readl(dev->mmio + S626_P_MC1);
if (!(status & S626_MC1_A2OUT))
return 0;
break;
case s626_send_dac_wait_ssr_af2_out:
- status = readl(devpriv->mmio + S626_P_SSR);
+ status = readl(dev->mmio + S626_P_SSR);
if (status & S626_SSR_AF2_OUT)
return 0;
break;
case s626_send_dac_wait_fb_buffer2_msb_00:
- status = readl(devpriv->mmio + S626_P_FB_BUFFER2);
+ status = readl(dev->mmio + S626_P_FB_BUFFER2);
if (!(status & 0xff000000))
return 0;
break;
case s626_send_dac_wait_fb_buffer2_msb_ff:
- status = readl(devpriv->mmio + S626_P_FB_BUFFER2);
+ status = readl(dev->mmio + S626_P_FB_BUFFER2);
if (status & 0xff000000)
return 0;
break;
/* TRANSFER OUTPUT DWORD VALUE INTO A2'S OUTPUT FIFO ---------------- */
/* Copy DAC setpoint value to DAC's output DMA buffer. */
- /* writel(val, devpriv->mmio + (uint32_t)devpriv->dac_wbuf); */
+ /* writel(val, dev->mmio + (uint32_t)devpriv->dac_wbuf); */
*devpriv->dac_wbuf = val;
/*
* other FIFO underflow/overflow flags). When set, this flag
* will indicate that we have emerged from slot 0.
*/
- writel(S626_ISR_AFOU, devpriv->mmio + S626_P_ISR);
+ writel(S626_ISR_AFOU, dev->mmio + S626_P_ISR);
/*
* Wait for the DMA transfer to finish so that there will be data
* detection.
*/
writel(S626_XSD2 | S626_RSD3 | S626_SIB_A2,
- devpriv->mmio + S626_VECTPORT(0));
+ dev->mmio + S626_VECTPORT(0));
/*
* Wait for slot 1 to execute to ensure that the Packet will be
* buffer register.
*/
writel(S626_XSD2 | S626_XFIFO_2 | S626_RSD2 | S626_SIB_A2 | S626_EOS,
- devpriv->mmio + S626_VECTPORT(0));
+ dev->mmio + S626_VECTPORT(0));
/* WAIT FOR THE TRANSACTION TO FINISH ----------------------- */
* we test for the FB_BUFFER2 MSB contents to be equal to 0xFF. If
* the TSL has not yet finished executing slot 5 ...
*/
- if (readl(devpriv->mmio + S626_P_FB_BUFFER2) & 0xff000000) {
+ if (readl(dev->mmio + S626_P_FB_BUFFER2) & 0xff000000) {
/*
* The trap was set on time and we are still executing somewhere
* in slots 2-5, so we now wait for slot 0 to execute and trap
* SD3, which is driven only by a pull-up resistor.
*/
writel(S626_RSD3 | S626_SIB_A2 | S626_EOS,
- devpriv->mmio + S626_VECTPORT(0));
+ dev->mmio + S626_VECTPORT(0));
/*
* Wait for slot 0 to execute, at which time the TSL is setup for
ws_image = (chan & 2) ? S626_WS1 : S626_WS2;
/* Slot 2: Transmit high data byte to target DAC */
writel(S626_XSD2 | S626_XFIFO_1 | ws_image,
- devpriv->mmio + S626_VECTPORT(2));
+ dev->mmio + S626_VECTPORT(2));
/* Slot 3: Transmit low data byte to target DAC */
writel(S626_XSD2 | S626_XFIFO_0 | ws_image,
- devpriv->mmio + S626_VECTPORT(3));
+ dev->mmio + S626_VECTPORT(3));
/* Slot 4: Transmit to non-existent TrimDac channel to keep clock */
writel(S626_XSD2 | S626_XFIFO_3 | S626_WS3,
- devpriv->mmio + S626_VECTPORT(4));
+ dev->mmio + S626_VECTPORT(4));
/* Slot 5: running after writing target DAC's low data byte */
writel(S626_XSD2 | S626_XFIFO_2 | S626_WS3 | S626_EOS,
- devpriv->mmio + S626_VECTPORT(5));
+ dev->mmio + S626_VECTPORT(5));
/*
* Construct and transmit target DAC's serial packet:
/* Slot 2: Send high uint8_t to target TrimDac */
writel(S626_XSD2 | S626_XFIFO_1 | S626_WS3,
- devpriv->mmio + S626_VECTPORT(2));
+ dev->mmio + S626_VECTPORT(2));
/* Slot 3: Send low uint8_t to target TrimDac */
writel(S626_XSD2 | S626_XFIFO_0 | S626_WS3,
- devpriv->mmio + S626_VECTPORT(3));
+ dev->mmio + S626_VECTPORT(3));
/* Slot 4: Send NOP high uint8_t to DAC0 to keep clock running */
writel(S626_XSD2 | S626_XFIFO_3 | S626_WS1,
- devpriv->mmio + S626_VECTPORT(4));
+ dev->mmio + S626_VECTPORT(4));
/* Slot 5: Send NOP low uint8_t to DAC0 */
writel(S626_XSD2 | S626_XFIFO_2 | S626_WS1 | S626_EOS,
- devpriv->mmio + S626_VECTPORT(5));
+ dev->mmio + S626_VECTPORT(5));
/*
* Construct and transmit target DAC's serial packet:
static irqreturn_t s626_irq_handler(int irq, void *d)
{
struct comedi_device *dev = d;
- struct s626_private *devpriv = dev->private;
unsigned long flags;
uint32_t irqtype, irqstatus;
spin_lock_irqsave(&dev->spinlock, flags);
/* save interrupt enable register state */
- irqstatus = readl(devpriv->mmio + S626_P_IER);
+ irqstatus = readl(dev->mmio + S626_P_IER);
/* read interrupt type */
- irqtype = readl(devpriv->mmio + S626_P_ISR);
+ irqtype = readl(dev->mmio + S626_P_ISR);
/* disable master interrupt */
- writel(0, devpriv->mmio + S626_P_IER);
+ writel(0, dev->mmio + S626_P_IER);
/* clear interrupt */
- writel(irqtype, devpriv->mmio + S626_P_ISR);
+ writel(irqtype, dev->mmio + S626_P_ISR);
switch (irqtype) {
case S626_IRQ_RPS1: /* end_of_scan occurs */
}
/* enable interrupt */
- writel(irqstatus, devpriv->mmio + S626_P_IER);
+ writel(irqstatus, dev->mmio + S626_P_IER);
spin_unlock_irqrestore(&dev->spinlock, flags);
return IRQ_HANDLED;
/* Initialize RPS instruction pointer */
writel((uint32_t)devpriv->rps_buf.physical_base,
- devpriv->mmio + S626_P_RPSADDR1);
+ dev->mmio + S626_P_RPSADDR1);
/* Construct RPS program in rps_buf DMA buffer */
if (cmd != NULL && cmd->scan_begin_src != TRIG_FOLLOW) {
struct comedi_insn *insn,
unsigned long context)
{
- struct s626_private *devpriv = dev->private;
unsigned int status;
- status = readl(devpriv->mmio + S626_P_PSR);
+ status = readl(dev->mmio + S626_P_PSR);
if (status & S626_PSR_GPIO2)
return 0;
return -EBUSY;
static int s626_ai_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ struct comedi_insn *insn,
+ unsigned int *data)
{
- struct s626_private *devpriv = dev->private;
uint16_t chan = CR_CHAN(insn->chanspec);
uint16_t range = CR_RANGE(insn->chanspec);
uint16_t adc_spec = 0;
udelay(10);
/* Start ADC by pulsing GPIO1 low */
- gpio_image = readl(devpriv->mmio + S626_P_GPIO);
+ gpio_image = readl(dev->mmio + S626_P_GPIO);
/* Assert ADC Start command */
- writel(gpio_image & ~S626_GPIO1_HI,
- devpriv->mmio + S626_P_GPIO);
+ writel(gpio_image & ~S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/* and stretch it out */
- writel(gpio_image & ~S626_GPIO1_HI,
- devpriv->mmio + S626_P_GPIO);
- writel(gpio_image & ~S626_GPIO1_HI,
- devpriv->mmio + S626_P_GPIO);
+ writel(gpio_image & ~S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
+ writel(gpio_image & ~S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/* Negate ADC Start command */
- writel(gpio_image | S626_GPIO1_HI, devpriv->mmio + S626_P_GPIO);
+ writel(gpio_image | S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/*
* Wait for ADC to complete (GPIO2 is asserted high when
/* Fetch ADC data */
if (n != 0) {
- tmp = readl(devpriv->mmio + S626_P_FB_BUFFER1);
+ tmp = readl(dev->mmio + S626_P_FB_BUFFER1);
data[n - 1] = s626_ai_reg_to_uint(tmp);
}
* Start a dummy conversion to cause the data from the
* previous conversion to be shifted in.
*/
- gpio_image = readl(devpriv->mmio + S626_P_GPIO);
+ gpio_image = readl(dev->mmio + S626_P_GPIO);
/* Assert ADC Start command */
- writel(gpio_image & ~S626_GPIO1_HI, devpriv->mmio + S626_P_GPIO);
+ writel(gpio_image & ~S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/* and stretch it out */
- writel(gpio_image & ~S626_GPIO1_HI, devpriv->mmio + S626_P_GPIO);
- writel(gpio_image & ~S626_GPIO1_HI, devpriv->mmio + S626_P_GPIO);
+ writel(gpio_image & ~S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
+ writel(gpio_image & ~S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/* Negate ADC Start command */
- writel(gpio_image | S626_GPIO1_HI, devpriv->mmio + S626_P_GPIO);
+ writel(gpio_image | S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/* Wait for the data to arrive in FB BUFFER 1 register. */
/* Fetch ADC data */
if (n != 0) {
- tmp = readl(devpriv->mmio + S626_P_FB_BUFFER1);
+ tmp = readl(dev->mmio + S626_P_FB_BUFFER1);
data[n - 1] = s626_ai_reg_to_uint(tmp);
}
return -EBUSY;
}
/* disable interrupt */
- writel(0, devpriv->mmio + S626_P_IER);
+ writel(0, dev->mmio + S626_P_IER);
/* clear interrupt request */
- writel(S626_IRQ_RPS1 | S626_IRQ_GPIO3, devpriv->mmio + S626_P_ISR);
+ writel(S626_IRQ_RPS1 | S626_IRQ_GPIO3, dev->mmio + S626_P_ISR);
/* clear any pending interrupt */
s626_dio_clear_irq(dev);
}
/* enable interrupt */
- writel(S626_IRQ_GPIO3 | S626_IRQ_RPS1, devpriv->mmio + S626_P_IER);
+ writel(S626_IRQ_GPIO3 | S626_IRQ_RPS1, dev->mmio + S626_P_IER);
return 0;
}
s626_mc_disable(dev, S626_MC1_ERPS1, S626_P_MC1);
/* disable master interrupt */
- writel(0, devpriv->mmio + S626_P_IER);
+ writel(0, dev->mmio + S626_P_IER);
devpriv->ai_cmd_running = 0;
*/
writel(S626_DEBI_CFG_SLAVE16 |
(S626_DEBI_TOUT << S626_DEBI_CFG_TOUT_BIT) | S626_DEBI_SWAP |
- S626_DEBI_CFG_INTEL, devpriv->mmio + S626_P_DEBICFG);
+ S626_DEBI_CFG_INTEL, dev->mmio + S626_P_DEBICFG);
/* Disable MMU paging */
- writel(S626_DEBI_PAGE_DISABLE, devpriv->mmio + S626_P_DEBIPAGE);
+ writel(S626_DEBI_PAGE_DISABLE, dev->mmio + S626_P_DEBIPAGE);
/* Init GPIO so that ADC Start* is negated */
- writel(S626_GPIO_BASE | S626_GPIO1_HI, devpriv->mmio + S626_P_GPIO);
+ writel(S626_GPIO_BASE | S626_GPIO1_HI, dev->mmio + S626_P_GPIO);
/* I2C device address for onboard eeprom (revb) */
devpriv->i2c_adrs = 0xA0;
* operation in progress and reset BUSY flag.
*/
writel(S626_I2C_CLKSEL | S626_I2C_ABORT,
- devpriv->mmio + S626_P_I2CSTAT);
+ dev->mmio + S626_P_I2CSTAT);
s626_mc_enable(dev, S626_MC2_UPLD_IIC, S626_P_MC2);
ret = comedi_timeout(dev, NULL, NULL, s626_i2c_handshake_eoc, 0);
if (ret)
* reg twice to reset all I2C error flags.
*/
for (i = 0; i < 2; i++) {
- writel(S626_I2C_CLKSEL, devpriv->mmio + S626_P_I2CSTAT);
+ writel(S626_I2C_CLKSEL, dev->mmio + S626_P_I2CSTAT);
s626_mc_enable(dev, S626_MC2_UPLD_IIC, S626_P_MC2);
ret = comedi_timeout(dev, NULL, NULL, s626_i2c_handshake_eoc, 0);
if (ret)
* DAC data setup times are satisfied, enable DAC serial
* clock out.
*/
- writel(S626_ACON2_INIT, devpriv->mmio + S626_P_ACON2);
+ writel(S626_ACON2_INIT, dev->mmio + S626_P_ACON2);
/*
* Set up TSL1 slot list, which is used to control the
* S626_SIB_A1 = store data uint8_t at next available location
* in FB BUFFER1 register.
*/
- writel(S626_RSD1 | S626_SIB_A1, devpriv->mmio + S626_P_TSL1);
+ writel(S626_RSD1 | S626_SIB_A1, dev->mmio + S626_P_TSL1);
writel(S626_RSD1 | S626_SIB_A1 | S626_EOS,
- devpriv->mmio + S626_P_TSL1 + 4);
+ dev->mmio + S626_P_TSL1 + 4);
/* Enable TSL1 slot list so that it executes all the time */
- writel(S626_ACON1_ADCSTART, devpriv->mmio + S626_P_ACON1);
+ writel(S626_ACON1_ADCSTART, dev->mmio + S626_P_ACON1);
/*
* Initialize RPS registers used for ADC
/* Physical start of RPS program */
writel((uint32_t)devpriv->rps_buf.physical_base,
- devpriv->mmio + S626_P_RPSADDR1);
+ dev->mmio + S626_P_RPSADDR1);
/* RPS program performs no explicit mem writes */
- writel(0, devpriv->mmio + S626_P_RPSPAGE1);
+ writel(0, dev->mmio + S626_P_RPSPAGE1);
/* Disable RPS timeouts */
- writel(0, devpriv->mmio + S626_P_RPS1_TOUT);
+ writel(0, dev->mmio + S626_P_RPS1_TOUT);
#if 0
/*
* burst length = 1 DWORD
* threshold = 1 DWORD.
*/
- writel(0, devpriv->mmio + S626_P_PCI_BT_A);
+ writel(0, dev->mmio + S626_P_PCI_BT_A);
/*
* Init Audio2's output DMA physical addresses. The protection
*/
phys_buf = devpriv->ana_buf.physical_base +
(S626_DAC_WDMABUF_OS * sizeof(uint32_t));
- writel((uint32_t)phys_buf, devpriv->mmio + S626_P_BASEA2_OUT);
+ writel((uint32_t)phys_buf, dev->mmio + S626_P_BASEA2_OUT);
writel((uint32_t)(phys_buf + sizeof(uint32_t)),
- devpriv->mmio + S626_P_PROTA2_OUT);
+ dev->mmio + S626_P_PROTA2_OUT);
/*
* Cache Audio2's output DMA buffer logical address. This is
* DMAC will automatically halt and its PCI address pointer
* will be reset when the protection address is reached.
*/
- writel(8, devpriv->mmio + S626_P_PAGEA2_OUT);
+ writel(8, dev->mmio + S626_P_PAGEA2_OUT);
/*
* Initialize time slot list 2 (TSL2), which is used to control
/* Slot 0: Trap TSL execution, shift 0xFF into FB_BUFFER2 */
writel(S626_XSD2 | S626_RSD3 | S626_SIB_A2 | S626_EOS,
- devpriv->mmio + S626_VECTPORT(0));
+ dev->mmio + S626_VECTPORT(0));
/*
* Initialize slot 1, which is constant. Slot 1 causes a
*/
/* Slot 1: Fetch DWORD from Audio2's output FIFO */
- writel(S626_LF_A2, devpriv->mmio + S626_VECTPORT(1));
+ writel(S626_LF_A2, dev->mmio + S626_VECTPORT(1));
/* Start DAC's audio interface (TSL2) running */
- writel(S626_ACON1_DACSTART, devpriv->mmio + S626_P_ACON1);
+ writel(S626_ACON1_DACSTART, dev->mmio + S626_P_ACON1);
/*
* Init Trim DACs to calibrated values. Do it twice because the
if (ret)
return ret;
- devpriv->mmio = pci_ioremap_bar(pcidev, 0);
- if (!devpriv->mmio)
+ dev->mmio = pci_ioremap_bar(pcidev, 0);
+ if (!dev->mmio)
return -ENOMEM;
/* disable master interrupt */
- writel(0, devpriv->mmio + S626_P_IER);
+ writel(0, dev->mmio + S626_P_IER);
/* soft reset */
- writel(S626_MC1_SOFT_RESET, devpriv->mmio + S626_P_MC1);
+ writel(S626_MC1_SOFT_RESET, dev->mmio + S626_P_MC1);
/* DMA FIXME DMA// */
/* stop ai_command */
devpriv->ai_cmd_running = 0;
- if (devpriv->mmio) {
+ if (dev->mmio) {
/* interrupt mask */
/* Disable master interrupt */
- writel(0, devpriv->mmio + S626_P_IER);
+ writel(0, dev->mmio + S626_P_IER);
/* Clear board's IRQ status flag */
writel(S626_IRQ_GPIO3 | S626_IRQ_RPS1,
- devpriv->mmio + S626_P_ISR);
+ dev->mmio + S626_P_ISR);
/* Disable the watchdog timer and battery charger. */
s626_write_misc2(dev, 0);
/* Close all interfaces on 7146 device */
- writel(S626_MC1_SHUTDOWN, devpriv->mmio + S626_P_MC1);
- writel(S626_ACON1_BASE, devpriv->mmio + S626_P_ACON1);
+ writel(S626_MC1_SHUTDOWN, dev->mmio + S626_P_MC1);
+ writel(S626_ACON1_BASE, dev->mmio + S626_P_ACON1);
s626_close_dma_b(dev, &devpriv->rps_buf,
S626_DMABUF_SIZE);
if (dev->irq)
free_irq(dev->irq, dev);
- if (devpriv->mmio)
- iounmap(devpriv->mmio);
+ if (dev->mmio)
+ iounmap(dev->mmio);
}
comedi_pci_disable(dev);
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff