diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi_apci_1500.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_1500.c | 887 |
1 files changed, 0 insertions, 887 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_1500.c b/drivers/staging/comedi/drivers/addi_apci_1500.c deleted file mode 100644 index b04c15dcfb57..000000000000 --- a/drivers/staging/comedi/drivers/addi_apci_1500.c +++ /dev/null @@ -1,887 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * addi_apci_1500.c - * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module. - * - * ADDI-DATA GmbH - * Dieselstrasse 3 - * D-77833 Ottersweier - * Tel: +19(0)7223/9493-0 - * Fax: +49(0)7223/9493-92 - * http://www.addi-data.com - * info@addi-data.com - */ - -#include <linux/module.h> -#include <linux/interrupt.h> - -#include "../comedi_pci.h" -#include "amcc_s5933.h" -#include "z8536.h" - -/* - * PCI Bar 0 Register map (devpriv->amcc) - * see amcc_s5933.h for register and bit defines - */ - -/* - * PCI Bar 1 Register map (dev->iobase) - * see z8536.h for Z8536 internal registers and bit defines - */ -#define APCI1500_Z8536_PORTC_REG 0x00 -#define APCI1500_Z8536_PORTB_REG 0x01 -#define APCI1500_Z8536_PORTA_REG 0x02 -#define APCI1500_Z8536_CTRL_REG 0x03 - -/* - * PCI Bar 2 Register map (devpriv->addon) - */ -#define APCI1500_CLK_SEL_REG 0x00 -#define APCI1500_DI_REG 0x00 -#define APCI1500_DO_REG 0x02 - -struct apci1500_private { - unsigned long amcc; - unsigned long addon; - - unsigned int clk_src; - - /* Digital trigger configuration [0]=AND [1]=OR */ - unsigned int pm[2]; /* Pattern Mask */ - unsigned int pt[2]; /* Pattern Transition */ - unsigned int pp[2]; /* Pattern Polarity */ -}; - -static unsigned int z8536_read(struct comedi_device *dev, unsigned int reg) -{ - unsigned long flags; - unsigned int val; - - spin_lock_irqsave(&dev->spinlock, flags); - outb(reg, dev->iobase + APCI1500_Z8536_CTRL_REG); - val = inb(dev->iobase + APCI1500_Z8536_CTRL_REG); - spin_unlock_irqrestore(&dev->spinlock, flags); - - return val; -} - -static void z8536_write(struct comedi_device *dev, - unsigned int val, unsigned int reg) -{ - unsigned long flags; - - spin_lock_irqsave(&dev->spinlock, flags); - outb(reg, dev->iobase + APCI1500_Z8536_CTRL_REG); - outb(val, dev->iobase + APCI1500_Z8536_CTRL_REG); - spin_unlock_irqrestore(&dev->spinlock, flags); -} - -static void z8536_reset(struct comedi_device *dev) -{ - unsigned long flags; - - /* - * Even if the state of the Z8536 is not known, the following - * sequence will reset it and put it in State 0. - */ - spin_lock_irqsave(&dev->spinlock, flags); - inb(dev->iobase + APCI1500_Z8536_CTRL_REG); - outb(0, dev->iobase + APCI1500_Z8536_CTRL_REG); - inb(dev->iobase + APCI1500_Z8536_CTRL_REG); - outb(0, dev->iobase + APCI1500_Z8536_CTRL_REG); - outb(1, dev->iobase + APCI1500_Z8536_CTRL_REG); - outb(0, dev->iobase + APCI1500_Z8536_CTRL_REG); - spin_unlock_irqrestore(&dev->spinlock, flags); - - /* Disable all Ports and Counter/Timers */ - z8536_write(dev, 0x00, Z8536_CFG_CTRL_REG); - - /* - * Port A is connected to Ditial Input channels 0-7. - * Configure the port to allow interrupt detection. - */ - z8536_write(dev, Z8536_PAB_MODE_PTS_BIT | - Z8536_PAB_MODE_SB | - Z8536_PAB_MODE_PMS_DISABLE, - Z8536_PA_MODE_REG); - z8536_write(dev, 0xff, Z8536_PB_DPP_REG); - z8536_write(dev, 0xff, Z8536_PA_DD_REG); - - /* - * Port B is connected to Ditial Input channels 8-13. - * Configure the port to allow interrupt detection. - * - * NOTE: Bits 7 and 6 of Port B are connected to internal - * diagnostic signals and bit 7 is inverted. - */ - z8536_write(dev, Z8536_PAB_MODE_PTS_BIT | - Z8536_PAB_MODE_SB | - Z8536_PAB_MODE_PMS_DISABLE, - Z8536_PB_MODE_REG); - z8536_write(dev, 0x7f, Z8536_PB_DPP_REG); - z8536_write(dev, 0xff, Z8536_PB_DD_REG); - - /* - * Not sure what Port C is connected to... - */ - z8536_write(dev, 0x09, Z8536_PC_DPP_REG); - z8536_write(dev, 0x0e, Z8536_PC_DD_REG); - - /* - * Clear and disable all interrupt sources. - * - * Just in case, the reset of the Z8536 should have already - * done this. - */ - z8536_write(dev, Z8536_CMD_CLR_IP_IUS, Z8536_PA_CMDSTAT_REG); - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_PA_CMDSTAT_REG); - - z8536_write(dev, Z8536_CMD_CLR_IP_IUS, Z8536_PB_CMDSTAT_REG); - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_PB_CMDSTAT_REG); - - z8536_write(dev, Z8536_CMD_CLR_IP_IUS, Z8536_CT_CMDSTAT_REG(0)); - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_CT_CMDSTAT_REG(0)); - - z8536_write(dev, Z8536_CMD_CLR_IP_IUS, Z8536_CT_CMDSTAT_REG(1)); - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_CT_CMDSTAT_REG(1)); - - z8536_write(dev, Z8536_CMD_CLR_IP_IUS, Z8536_CT_CMDSTAT_REG(2)); - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_CT_CMDSTAT_REG(2)); - - /* Disable all interrupts */ - z8536_write(dev, 0x00, Z8536_INT_CTRL_REG); -} - -static void apci1500_port_enable(struct comedi_device *dev, bool enable) -{ - unsigned int cfg; - - cfg = z8536_read(dev, Z8536_CFG_CTRL_REG); - if (enable) - cfg |= (Z8536_CFG_CTRL_PAE | Z8536_CFG_CTRL_PBE); - else - cfg &= ~(Z8536_CFG_CTRL_PAE | Z8536_CFG_CTRL_PBE); - z8536_write(dev, cfg, Z8536_CFG_CTRL_REG); -} - -static void apci1500_timer_enable(struct comedi_device *dev, - unsigned int chan, bool enable) -{ - unsigned int bit; - unsigned int cfg; - - if (chan == 0) - bit = Z8536_CFG_CTRL_CT1E; - else if (chan == 1) - bit = Z8536_CFG_CTRL_CT2E; - else - bit = Z8536_CFG_CTRL_PCE_CT3E; - - cfg = z8536_read(dev, Z8536_CFG_CTRL_REG); - if (enable) { - cfg |= bit; - } else { - cfg &= ~bit; - z8536_write(dev, 0x00, Z8536_CT_CMDSTAT_REG(chan)); - } - z8536_write(dev, cfg, Z8536_CFG_CTRL_REG); -} - -static bool apci1500_ack_irq(struct comedi_device *dev, - unsigned int reg) -{ - unsigned int val; - - val = z8536_read(dev, reg); - if ((val & Z8536_STAT_IE_IP) == Z8536_STAT_IE_IP) { - val &= 0x0f; /* preserve any write bits */ - val |= Z8536_CMD_CLR_IP_IUS; - z8536_write(dev, val, reg); - - return true; - } - return false; -} - -static irqreturn_t apci1500_interrupt(int irq, void *d) -{ - struct comedi_device *dev = d; - struct apci1500_private *devpriv = dev->private; - struct comedi_subdevice *s = dev->read_subdev; - unsigned short status = 0; - unsigned int val; - - val = inl(devpriv->amcc + AMCC_OP_REG_INTCSR); - if (!(val & INTCSR_INTR_ASSERTED)) - return IRQ_NONE; - - if (apci1500_ack_irq(dev, Z8536_PA_CMDSTAT_REG)) - status |= 0x01; /* port a event (inputs 0-7) */ - - if (apci1500_ack_irq(dev, Z8536_PB_CMDSTAT_REG)) { - /* Tests if this is an external error */ - val = inb(dev->iobase + APCI1500_Z8536_PORTB_REG); - val &= 0xc0; - if (val) { - if (val & 0x80) /* voltage error */ - status |= 0x40; - if (val & 0x40) /* short circuit error */ - status |= 0x80; - } else { - status |= 0x02; /* port b event (inputs 8-13) */ - } - } - - /* - * NOTE: The 'status' returned by the sample matches the - * interrupt mask information from the APCI-1500 Users Manual. - * - * Mask Meaning - * ---------- ------------------------------------------ - * 0b00000001 Event 1 has occurred - * 0b00000010 Event 2 has occurred - * 0b00000100 Counter/timer 1 has run down (not implemented) - * 0b00001000 Counter/timer 2 has run down (not implemented) - * 0b00010000 Counter 3 has run down (not implemented) - * 0b00100000 Watchdog has run down (not implemented) - * 0b01000000 Voltage error - * 0b10000000 Short-circuit error - */ - comedi_buf_write_samples(s, &status, 1); - comedi_handle_events(dev, s); - - return IRQ_HANDLED; -} - -static int apci1500_di_cancel(struct comedi_device *dev, - struct comedi_subdevice *s) -{ - /* Disables the main interrupt on the board */ - z8536_write(dev, 0x00, Z8536_INT_CTRL_REG); - - /* Disable Ports A & B */ - apci1500_port_enable(dev, false); - - /* Ack any pending interrupts */ - apci1500_ack_irq(dev, Z8536_PA_CMDSTAT_REG); - apci1500_ack_irq(dev, Z8536_PB_CMDSTAT_REG); - - /* Disable pattern interrupts */ - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_PA_CMDSTAT_REG); - z8536_write(dev, Z8536_CMD_CLR_IE, Z8536_PB_CMDSTAT_REG); - - /* Enable Ports A & B */ - apci1500_port_enable(dev, true); - - return 0; -} - -static int apci1500_di_inttrig_start(struct comedi_device *dev, - struct comedi_subdevice *s, - unsigned int trig_num) -{ - struct apci1500_private *devpriv = dev->private; - struct comedi_cmd *cmd = &s->async->cmd; - unsigned int pa_mode = Z8536_PAB_MODE_PMS_DISABLE; - unsigned int pb_mode = Z8536_PAB_MODE_PMS_DISABLE; - unsigned int pa_trig = trig_num & 0x01; - unsigned int pb_trig = (trig_num >> 1) & 0x01; - bool valid_trig = false; - unsigned int val; - - if (trig_num != cmd->start_arg) - return -EINVAL; - - /* Disable Ports A & B */ - apci1500_port_enable(dev, false); - - /* Set Port A for selected trigger pattern */ - z8536_write(dev, devpriv->pm[pa_trig] & 0xff, Z8536_PA_PM_REG); - z8536_write(dev, devpriv->pt[pa_trig] & 0xff, Z8536_PA_PT_REG); - z8536_write(dev, devpriv->pp[pa_trig] & 0xff, Z8536_PA_PP_REG); - - /* Set Port B for selected trigger pattern */ - z8536_write(dev, (devpriv->pm[pb_trig] >> 8) & 0xff, Z8536_PB_PM_REG); - z8536_write(dev, (devpriv->pt[pb_trig] >> 8) & 0xff, Z8536_PB_PT_REG); - z8536_write(dev, (devpriv->pp[pb_trig] >> 8) & 0xff, Z8536_PB_PP_REG); - - /* Set Port A trigger mode (if enabled) and enable interrupt */ - if (devpriv->pm[pa_trig] & 0xff) { - pa_mode = pa_trig ? Z8536_PAB_MODE_PMS_AND - : Z8536_PAB_MODE_PMS_OR; - - val = z8536_read(dev, Z8536_PA_MODE_REG); - val &= ~Z8536_PAB_MODE_PMS_MASK; - val |= (pa_mode | Z8536_PAB_MODE_IMO); - z8536_write(dev, val, Z8536_PA_MODE_REG); - - z8536_write(dev, Z8536_CMD_SET_IE, Z8536_PA_CMDSTAT_REG); - - valid_trig = true; - - dev_dbg(dev->class_dev, - "Port A configured for %s mode pattern detection\n", - pa_trig ? "AND" : "OR"); - } - - /* Set Port B trigger mode (if enabled) and enable interrupt */ - if (devpriv->pm[pb_trig] & 0xff00) { - pb_mode = pb_trig ? Z8536_PAB_MODE_PMS_AND - : Z8536_PAB_MODE_PMS_OR; - - val = z8536_read(dev, Z8536_PB_MODE_REG); - val &= ~Z8536_PAB_MODE_PMS_MASK; - val |= (pb_mode | Z8536_PAB_MODE_IMO); - z8536_write(dev, val, Z8536_PB_MODE_REG); - - z8536_write(dev, Z8536_CMD_SET_IE, Z8536_PB_CMDSTAT_REG); - - valid_trig = true; - - dev_dbg(dev->class_dev, - "Port B configured for %s mode pattern detection\n", - pb_trig ? "AND" : "OR"); - } - - /* Enable Ports A & B */ - apci1500_port_enable(dev, true); - - if (!valid_trig) { - dev_dbg(dev->class_dev, - "digital trigger %d is not configured\n", trig_num); - return -EINVAL; - } - - /* Authorizes the main interrupt on the board */ - z8536_write(dev, Z8536_INT_CTRL_MIE | Z8536_INT_CTRL_DLC, - Z8536_INT_CTRL_REG); - - return 0; -} - -static int apci1500_di_cmd(struct comedi_device *dev, - struct comedi_subdevice *s) -{ - s->async->inttrig = apci1500_di_inttrig_start; - - return 0; -} - -static int apci1500_di_cmdtest(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_cmd *cmd) -{ - int err = 0; - - /* Step 1 : check if triggers are trivially valid */ - - err |= comedi_check_trigger_src(&cmd->start_src, TRIG_INT); - err |= comedi_check_trigger_src(&cmd->scan_begin_src, TRIG_EXT); - err |= comedi_check_trigger_src(&cmd->convert_src, TRIG_FOLLOW); - err |= comedi_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); - err |= comedi_check_trigger_src(&cmd->stop_src, TRIG_NONE); - - if (err) - return 1; - - /* Step 2a : make sure trigger sources are unique */ - /* Step 2b : and mutually compatible */ - - /* Step 3: check if arguments are trivially valid */ - - /* - * Internal start source triggers: - * - * 0 AND mode for Port A (digital inputs 0-7) - * AND mode for Port B (digital inputs 8-13 and internal signals) - * - * 1 OR mode for Port A (digital inputs 0-7) - * AND mode for Port B (digital inputs 8-13 and internal signals) - * - * 2 AND mode for Port A (digital inputs 0-7) - * OR mode for Port B (digital inputs 8-13 and internal signals) - * - * 3 OR mode for Port A (digital inputs 0-7) - * OR mode for Port B (digital inputs 8-13 and internal signals) - */ - err |= comedi_check_trigger_arg_max(&cmd->start_arg, 3); - - err |= comedi_check_trigger_arg_is(&cmd->scan_begin_arg, 0); - err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0); - err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg, - cmd->chanlist_len); - err |= comedi_check_trigger_arg_is(&cmd->stop_arg, 0); - - if (err) - return 3; - - /* Step 4: fix up any arguments */ - - /* Step 5: check channel list if it exists */ - - return 0; -} - -/* - * The pattern-recognition logic must be configured before the digital - * input async command is started. - * - * Digital input channels 0 to 13 can generate interrupts. Channels 14 - * and 15 are connected to internal board status/diagnostic signals. - * - * Channel 14 - Voltage error (the external supply is < 5V) - * Channel 15 - Short-circuit/overtemperature error - * - * data[0] : INSN_CONFIG_DIGITAL_TRIG - * data[1] : trigger number - * 0 = AND mode - * 1 = OR mode - * data[2] : configuration operation: - * COMEDI_DIGITAL_TRIG_DISABLE = no interrupts - * COMEDI_DIGITAL_TRIG_ENABLE_EDGES = edge interrupts - * COMEDI_DIGITAL_TRIG_ENABLE_LEVELS = level interrupts - * data[3] : left-shift for data[4] and data[5] - * data[4] : rising-edge/high level channels - * data[5] : falling-edge/low level channels - */ -static int apci1500_di_cfg_trig(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci1500_private *devpriv = dev->private; - unsigned int trig = data[1]; - unsigned int shift = data[3]; - unsigned int hi_mask; - unsigned int lo_mask; - unsigned int chan_mask; - unsigned int old_mask; - unsigned int pm; - unsigned int pt; - unsigned int pp; - unsigned int invalid_chan; - - if (trig > 1) { - dev_dbg(dev->class_dev, - "invalid digital trigger number (0=AND, 1=OR)\n"); - return -EINVAL; - } - - if (shift <= 16) { - hi_mask = data[4] << shift; - lo_mask = data[5] << shift; - old_mask = (1U << shift) - 1; - invalid_chan = (data[4] | data[5]) >> (16 - shift); - } else { - hi_mask = 0; - lo_mask = 0; - old_mask = 0xffff; - invalid_chan = data[4] | data[5]; - } - chan_mask = hi_mask | lo_mask; - - if (invalid_chan) { - dev_dbg(dev->class_dev, "invalid digital trigger channel\n"); - return -EINVAL; - } - - pm = devpriv->pm[trig] & old_mask; - pt = devpriv->pt[trig] & old_mask; - pp = devpriv->pp[trig] & old_mask; - - switch (data[2]) { - case COMEDI_DIGITAL_TRIG_DISABLE: - /* clear trigger configuration */ - pm = 0; - pt = 0; - pp = 0; - break; - case COMEDI_DIGITAL_TRIG_ENABLE_EDGES: - pm |= chan_mask; /* enable channels */ - pt |= chan_mask; /* enable edge detection */ - pp |= hi_mask; /* rising-edge channels */ - pp &= ~lo_mask; /* falling-edge channels */ - break; - case COMEDI_DIGITAL_TRIG_ENABLE_LEVELS: - pm |= chan_mask; /* enable channels */ - pt &= ~chan_mask; /* enable level detection */ - pp |= hi_mask; /* high level channels */ - pp &= ~lo_mask; /* low level channels */ - break; - default: - return -EINVAL; - } - - /* - * The AND mode trigger can only have one channel (max) enabled - * for edge detection. - */ - if (trig == 0) { - int ret = 0; - unsigned int src; - - src = pt & 0xff; - if (src) - ret |= comedi_check_trigger_is_unique(src); - - src = (pt >> 8) & 0xff; - if (src) - ret |= comedi_check_trigger_is_unique(src); - - if (ret) { - dev_dbg(dev->class_dev, - "invalid AND trigger configuration\n"); - return ret; - } - } - - /* save the trigger configuration */ - devpriv->pm[trig] = pm; - devpriv->pt[trig] = pt; - devpriv->pp[trig] = pp; - - return insn->n; -} - -static int apci1500_di_insn_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - switch (data[0]) { - case INSN_CONFIG_DIGITAL_TRIG: - return apci1500_di_cfg_trig(dev, s, insn, data); - default: - return -EINVAL; - } -} - -static int apci1500_di_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci1500_private *devpriv = dev->private; - - data[1] = inw(devpriv->addon + APCI1500_DI_REG); - - return insn->n; -} - -static int apci1500_do_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci1500_private *devpriv = dev->private; - - if (comedi_dio_update_state(s, data)) - outw(s->state, devpriv->addon + APCI1500_DO_REG); - - data[1] = s->state; - - return insn->n; -} - -static int apci1500_timer_insn_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci1500_private *devpriv = dev->private; - unsigned int chan = CR_CHAN(insn->chanspec); - unsigned int val; - - switch (data[0]) { - case INSN_CONFIG_ARM: - val = data[1] & s->maxdata; - z8536_write(dev, val & 0xff, Z8536_CT_RELOAD_LSB_REG(chan)); - z8536_write(dev, (val >> 8) & 0xff, - Z8536_CT_RELOAD_MSB_REG(chan)); - - apci1500_timer_enable(dev, chan, true); - z8536_write(dev, Z8536_CT_CMDSTAT_GCB, - Z8536_CT_CMDSTAT_REG(chan)); - break; - case INSN_CONFIG_DISARM: - apci1500_timer_enable(dev, chan, false); - break; - - case INSN_CONFIG_GET_COUNTER_STATUS: - data[1] = 0; - val = z8536_read(dev, Z8536_CT_CMDSTAT_REG(chan)); - if (val & Z8536_CT_STAT_CIP) - data[1] |= COMEDI_COUNTER_COUNTING; - if (val & Z8536_CT_CMDSTAT_GCB) - data[1] |= COMEDI_COUNTER_ARMED; - if (val & Z8536_STAT_IP) { - data[1] |= COMEDI_COUNTER_TERMINAL_COUNT; - apci1500_ack_irq(dev, Z8536_CT_CMDSTAT_REG(chan)); - } - data[2] = COMEDI_COUNTER_ARMED | COMEDI_COUNTER_COUNTING | - COMEDI_COUNTER_TERMINAL_COUNT; - break; - - case INSN_CONFIG_SET_COUNTER_MODE: - /* Simulate the 8254 timer modes */ - switch (data[1]) { - case I8254_MODE0: - /* Interrupt on Terminal Count */ - val = Z8536_CT_MODE_ECE | - Z8536_CT_MODE_DCS_ONESHOT; - break; - case I8254_MODE1: - /* Hardware Retriggerable One-Shot */ - val = Z8536_CT_MODE_ETE | - Z8536_CT_MODE_DCS_ONESHOT; - break; - case I8254_MODE2: - /* Rate Generator */ - val = Z8536_CT_MODE_CSC | - Z8536_CT_MODE_DCS_PULSE; - break; - case I8254_MODE3: - /* Square Wave Mode */ - val = Z8536_CT_MODE_CSC | - Z8536_CT_MODE_DCS_SQRWAVE; - break; - case I8254_MODE4: - /* Software Triggered Strobe */ - val = Z8536_CT_MODE_REB | - Z8536_CT_MODE_DCS_PULSE; - break; - case I8254_MODE5: - /* Hardware Triggered Strobe (watchdog) */ - val = Z8536_CT_MODE_EOE | - Z8536_CT_MODE_ETE | - Z8536_CT_MODE_REB | - Z8536_CT_MODE_DCS_PULSE; - break; - default: - return -EINVAL; - } - apci1500_timer_enable(dev, chan, false); - z8536_write(dev, val, Z8536_CT_MODE_REG(chan)); - break; - - case INSN_CONFIG_SET_CLOCK_SRC: - if (data[1] > 2) - return -EINVAL; - devpriv->clk_src = data[1]; - if (devpriv->clk_src == 2) - devpriv->clk_src = 3; - outw(devpriv->clk_src, devpriv->addon + APCI1500_CLK_SEL_REG); - break; - case INSN_CONFIG_GET_CLOCK_SRC: - switch (devpriv->clk_src) { - case 0: - data[1] = 0; /* 111.86 kHz / 2 */ - data[2] = 17879; /* 17879 ns (approx) */ - break; - case 1: - data[1] = 1; /* 3.49 kHz / 2 */ - data[2] = 573066; /* 573066 ns (approx) */ - break; - case 3: - data[1] = 2; /* 1.747 kHz / 2 */ - data[2] = 1164822; /* 1164822 ns (approx) */ - break; - default: - return -EINVAL; - } - break; - - case INSN_CONFIG_SET_GATE_SRC: - if (chan == 0) - return -EINVAL; - - val = z8536_read(dev, Z8536_CT_MODE_REG(chan)); - val &= Z8536_CT_MODE_EGE; - if (data[1] == 1) - val |= Z8536_CT_MODE_EGE; - else if (data[1] > 1) - return -EINVAL; - z8536_write(dev, val, Z8536_CT_MODE_REG(chan)); - break; - case INSN_CONFIG_GET_GATE_SRC: - if (chan == 0) - return -EINVAL; - break; - - default: - return -EINVAL; - } - return insn->n; -} - -static int apci1500_timer_insn_write(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned int chan = CR_CHAN(insn->chanspec); - unsigned int cmd; - - cmd = z8536_read(dev, Z8536_CT_CMDSTAT_REG(chan)); - cmd &= Z8536_CT_CMDSTAT_GCB; /* preserve gate */ - cmd |= Z8536_CT_CMD_TCB; /* set trigger */ - - /* software trigger a timer, it only makes sense to do one write */ - if (insn->n) - z8536_write(dev, cmd, Z8536_CT_CMDSTAT_REG(chan)); - - return insn->n; -} - -static int apci1500_timer_insn_read(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned int chan = CR_CHAN(insn->chanspec); - unsigned int cmd; - unsigned int val; - int i; - - cmd = z8536_read(dev, Z8536_CT_CMDSTAT_REG(chan)); - cmd &= Z8536_CT_CMDSTAT_GCB; /* preserve gate */ - cmd |= Z8536_CT_CMD_RCC; /* set RCC */ - - for (i = 0; i < insn->n; i++) { - z8536_write(dev, cmd, Z8536_CT_CMDSTAT_REG(chan)); - - val = z8536_read(dev, Z8536_CT_VAL_MSB_REG(chan)) << 8; - val |= z8536_read(dev, Z8536_CT_VAL_LSB_REG(chan)); - - data[i] = val; - } - - return insn->n; -} - -static int apci1500_auto_attach(struct comedi_device *dev, - unsigned long context) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - struct apci1500_private *devpriv; - struct comedi_subdevice *s; - int ret; - - devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv)); - if (!devpriv) - return -ENOMEM; - - ret = comedi_pci_enable(dev); - if (ret) - return ret; - - dev->iobase = pci_resource_start(pcidev, 1); - devpriv->amcc = pci_resource_start(pcidev, 0); - devpriv->addon = pci_resource_start(pcidev, 2); - - z8536_reset(dev); - - if (pcidev->irq > 0) { - ret = request_irq(pcidev->irq, apci1500_interrupt, IRQF_SHARED, - dev->board_name, dev); - if (ret == 0) - dev->irq = pcidev->irq; - } - - ret = comedi_alloc_subdevices(dev, 3); - if (ret) - return ret; - - /* Digital Input subdevice */ - s = &dev->subdevices[0]; - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE; - s->n_chan = 16; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = apci1500_di_insn_bits; - if (dev->irq) { - dev->read_subdev = s; - s->subdev_flags |= SDF_CMD_READ; - s->len_chanlist = 1; - s->insn_config = apci1500_di_insn_config; - s->do_cmdtest = apci1500_di_cmdtest; - s->do_cmd = apci1500_di_cmd; - s->cancel = apci1500_di_cancel; - } - - /* Digital Output subdevice */ - s = &dev->subdevices[1]; - s->type = COMEDI_SUBD_DO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 16; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = apci1500_do_insn_bits; - - /* reset all the digital outputs */ - outw(0x0, devpriv->addon + APCI1500_DO_REG); - - /* Counter/Timer(Watchdog) subdevice */ - s = &dev->subdevices[2]; - s->type = COMEDI_SUBD_TIMER; - s->subdev_flags = SDF_WRITABLE | SDF_READABLE; - s->n_chan = 3; - s->maxdata = 0xffff; - s->range_table = &range_unknown; - s->insn_config = apci1500_timer_insn_config; - s->insn_write = apci1500_timer_insn_write; - s->insn_read = apci1500_timer_insn_read; - - /* Enable the PCI interrupt */ - if (dev->irq) { - outl(0x2000 | INTCSR_INBOX_FULL_INT, - devpriv->amcc + AMCC_OP_REG_INTCSR); - inl(devpriv->amcc + AMCC_OP_REG_IMB1); - inl(devpriv->amcc + AMCC_OP_REG_INTCSR); - outl(INTCSR_INBOX_INTR_STATUS | 0x2000 | INTCSR_INBOX_FULL_INT, - devpriv->amcc + AMCC_OP_REG_INTCSR); - } - - return 0; -} - -static void apci1500_detach(struct comedi_device *dev) -{ - struct apci1500_private *devpriv = dev->private; - - if (devpriv->amcc) - outl(0x0, devpriv->amcc + AMCC_OP_REG_INTCSR); - comedi_pci_detach(dev); -} - -static struct comedi_driver apci1500_driver = { - .driver_name = "addi_apci_1500", - .module = THIS_MODULE, - .auto_attach = apci1500_auto_attach, - .detach = apci1500_detach, -}; - -static int apci1500_pci_probe(struct pci_dev *dev, - const struct pci_device_id *id) -{ - return comedi_pci_auto_config(dev, &apci1500_driver, id->driver_data); -} - -static const struct pci_device_id apci1500_pci_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_AMCC, 0x80fc) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, apci1500_pci_table); - -static struct pci_driver apci1500_pci_driver = { - .name = "addi_apci_1500", - .id_table = apci1500_pci_table, - .probe = apci1500_pci_probe, - .remove = comedi_pci_auto_unconfig, -}; -module_comedi_pci_driver(apci1500_driver, apci1500_pci_driver); - -MODULE_AUTHOR("Comedi https://www.comedi.org"); -MODULE_DESCRIPTION("ADDI-DATA APCI-1500, 16 channel DI / 16 channel DO boards"); -MODULE_LICENSE("GPL"); |