| /branches/dynload/kernel/genarch/src/drivers/ns16550/ns16550.c |
|---|
| 0,0 → 1,115 |
| /* |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR 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. |
| */ |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief NS 16550 serial controller driver. |
| */ |
| #include <genarch/drivers/ns16550/ns16550.h> |
| #include <ddi/irq.h> |
| #include <arch/asm.h> |
| #include <console/chardev.h> |
| #include <mm/slab.h> |
| #define LSR_DATA_READY 0x01 |
| static indev_operations_t kbrdin_ops = { |
| .poll = NULL |
| }; |
| static irq_ownership_t ns16550_claim(irq_t *irq) |
| { |
| ns16550_instance_t *instance = irq->instance; |
| ns16550_t *dev = instance->ns16550; |
| if (pio_read_8(&dev->lsr) & LSR_DATA_READY) |
| return IRQ_ACCEPT; |
| else |
| return IRQ_DECLINE; |
| } |
| static void ns16550_irq_handler(irq_t *irq) |
| { |
| ns16550_instance_t *instance = irq->instance; |
| ns16550_t *dev = instance->ns16550; |
| if (pio_read_8(&dev->lsr) & LSR_DATA_READY) { |
| uint8_t x = pio_read_8(&dev->rbr); |
| indev_push_character(&instance->kbrdin, x); |
| } |
| } |
| /** Initialize ns16550. |
| * |
| * @param dev Addrress of the beginning of the device in I/O space. |
| * @param devno Device number. |
| * @param inr Interrupt number. |
| * @param cir Clear interrupt function. |
| * @param cir_arg First argument to cir. |
| * |
| * @return Keyboard device pointer or NULL on failure. |
| * |
| */ |
| indev_t *ns16550_init(ns16550_t *dev, devno_t devno, inr_t inr, cir_t cir, void *cir_arg) |
| { |
| ns16550_instance_t *instance |
| = malloc(sizeof(ns16550_instance_t), FRAME_ATOMIC); |
| if (!instance) |
| return NULL; |
| indev_initialize("ns16550", &instance->kbrdin, &kbrdin_ops); |
| instance->devno = devno; |
| instance->ns16550 = dev; |
| irq_initialize(&instance->irq); |
| instance->irq.devno = devno; |
| instance->irq.inr = inr; |
| instance->irq.claim = ns16550_claim; |
| instance->irq.handler = ns16550_irq_handler; |
| instance->irq.instance = instance; |
| instance->irq.cir = cir; |
| instance->irq.cir_arg = cir_arg; |
| irq_register(&instance->irq); |
| while ((pio_read_8(&dev->lsr) & LSR_DATA_READY)) |
| (void) pio_read_8(&dev->rbr); |
| /* Enable interrupts */ |
| pio_write_8(&dev->ier, IER_ERBFI); |
| pio_write_8(&dev->mcr, MCR_OUT2); |
| return &instance->kbrdin; |
| } |
| /** @} |
| */ |
| Property changes: |
| Added: svn:mergeinfo |
| /branches/dynload/kernel/genarch/src/drivers/dsrln/dsrlnin.c |
|---|
| 0,0 → 1,83 |
| /* |
| * Copyright (c) 2009 Martin Decky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR 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. |
| */ |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief Dummy serial line input. |
| */ |
| #include <genarch/drivers/dsrln/dsrlnin.h> |
| #include <console/chardev.h> |
| #include <mm/slab.h> |
| #include <arch/asm.h> |
| static indev_operations_t kbrdin_ops = { |
| .poll = NULL |
| }; |
| static irq_ownership_t dsrlnin_claim(irq_t *irq) |
| { |
| return IRQ_ACCEPT; |
| } |
| static void dsrlnin_irq_handler(irq_t *irq) |
| { |
| dsrlnin_instance_t *instance = irq->instance; |
| dsrlnin_t *dev = instance->dsrlnin; |
| indev_push_character(&instance->kbrdin, pio_read_8(&dev->data)); |
| } |
| indev_t *dsrlnin_init(dsrlnin_t *dev, devno_t devno, inr_t inr) |
| { |
| dsrlnin_instance_t *instance |
| = malloc(sizeof(dsrlnin_instance_t), FRAME_ATOMIC); |
| if (!instance) |
| return NULL; |
| indev_initialize("dsrlnin", &instance->kbrdin, &kbrdin_ops); |
| instance->devno = devno; |
| instance->dsrlnin = dev; |
| irq_initialize(&instance->irq); |
| instance->irq.devno = devno; |
| instance->irq.inr = inr; |
| instance->irq.claim = dsrlnin_claim; |
| instance->irq.handler = dsrlnin_irq_handler; |
| instance->irq.instance = instance; |
| irq_register(&instance->irq); |
| return &instance->kbrdin; |
| } |
| /** @} |
| */ |
| /branches/dynload/kernel/genarch/src/drivers/dsrln/dsrlnout.c |
|---|
| 0,0 → 1,71 |
| /* |
| * Copyright (c) 2009 Martin Decky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR 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. |
| */ |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief Dummy serial line output. |
| */ |
| #include <genarch/drivers/dsrln/dsrlnout.h> |
| #include <console/chardev.h> |
| #include <arch/asm.h> |
| #include <console/console.h> |
| #include <sysinfo/sysinfo.h> |
| static ioport8_t *dsrlnout_base; |
| static void dsrlnout_putchar(outdev_t *dev __attribute__((unused)), const char ch, bool silent) |
| { |
| if (!silent) |
| pio_write_8(dsrlnout_base, ch); |
| } |
| static outdev_t dsrlnout_console; |
| static outdev_operations_t dsrlnout_ops = { |
| .write = dsrlnout_putchar |
| }; |
| void dsrlnout_init(ioport8_t *base) |
| { |
| /* Initialize the software structure. */ |
| dsrlnout_base = base; |
| outdev_initialize("dsrlnout", &dsrlnout_console, &dsrlnout_ops); |
| stdout = &dsrlnout_console; |
| sysinfo_set_item_val("fb", NULL, true); |
| sysinfo_set_item_val("fb.kind", NULL, 3); |
| sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(base)); |
| } |
| /** @} |
| */ |
| /branches/dynload/kernel/genarch/src/drivers/i8042/i8042.c |
|---|
| 0,0 → 1,109 |
| /* |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR 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. |
| */ |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief i8042 processor driver |
| * |
| * It takes care of the i8042 serial communication. |
| */ |
| #include <genarch/drivers/i8042/i8042.h> |
| #include <genarch/drivers/legacy/ia32/io.h> |
| #include <arch/asm.h> |
| #include <console/chardev.h> |
| #include <mm/slab.h> |
| static indev_operations_t kbrdin_ops = { |
| .poll = NULL |
| }; |
| #define i8042_SET_COMMAND 0x60 |
| #define i8042_COMMAND 0x69 |
| #define i8042_BUFFER_FULL_MASK 0x01 |
| #define i8042_WAIT_MASK 0x02 |
| static irq_ownership_t i8042_claim(irq_t *irq) |
| { |
| i8042_instance_t *i8042_instance = irq->instance; |
| i8042_t *dev = i8042_instance->i8042; |
| if (pio_read_8(&dev->status) & i8042_BUFFER_FULL_MASK) |
| return IRQ_ACCEPT; |
| else |
| return IRQ_DECLINE; |
| } |
| static void i8042_irq_handler(irq_t *irq) |
| { |
| i8042_instance_t *instance = irq->instance; |
| i8042_t *dev = instance->i8042; |
| uint8_t status; |
| if (((status = pio_read_8(&dev->status)) & i8042_BUFFER_FULL_MASK)) { |
| uint8_t data = pio_read_8(&dev->data); |
| indev_push_character(&instance->kbrdin, data); |
| } |
| } |
| /** Initialize i8042. */ |
| indev_t *i8042_init(i8042_t *dev, devno_t devno, inr_t inr) |
| { |
| i8042_instance_t *instance |
| = malloc(sizeof(i8042_instance_t), FRAME_ATOMIC); |
| if (!instance) |
| return NULL; |
| indev_initialize("i8042", &instance->kbrdin, &kbrdin_ops); |
| instance->devno = devno; |
| instance->i8042 = dev; |
| irq_initialize(&instance->irq); |
| instance->irq.devno = devno; |
| instance->irq.inr = inr; |
| instance->irq.claim = i8042_claim; |
| instance->irq.handler = i8042_irq_handler; |
| instance->irq.instance = instance; |
| irq_register(&instance->irq); |
| /* |
| * Clear input buffer. |
| */ |
| while (pio_read_8(&dev->status) & i8042_BUFFER_FULL_MASK) |
| (void) pio_read_8(&dev->data); |
| return &instance->kbrdin; |
| } |
| /** @} |
| */ |
| Property changes: |
| Added: svn:mergeinfo |
| /branches/dynload/kernel/genarch/src/drivers/z8530/z8530.c |
|---|
| 0,0 → 1,133 |
| /* |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR 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. |
| */ |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief Zilog 8530 serial controller driver. |
| */ |
| #include <genarch/drivers/z8530/z8530.h> |
| #include <console/chardev.h> |
| #include <ddi/irq.h> |
| #include <arch/asm.h> |
| #include <mm/slab.h> |
| static indev_operations_t kbrdin_ops = { |
| .poll = NULL |
| }; |
| static inline void z8530_write(ioport8_t *ctl, uint8_t reg, uint8_t val) |
| { |
| /* |
| * Registers 8-15 will automatically issue the Point High |
| * command as their bit 3 is 1. |
| */ |
| pio_write_8(ctl, reg); /* Select register */ |
| pio_write_8(ctl, val); /* Write value */ |
| } |
| static inline uint8_t z8530_read(ioport8_t *ctl, uint8_t reg) |
| { |
| /* |
| * Registers 8-15 will automatically issue the Point High |
| * command as their bit 3 is 1. |
| */ |
| pio_write_8(ctl, reg); /* Select register */ |
| return pio_read_8(ctl); |
| } |
| static irq_ownership_t z8530_claim(irq_t *irq) |
| { |
| z8530_instance_t *instance = irq->instance; |
| z8530_t *dev = instance->z8530; |
| if (z8530_read(&dev->ctl_a, RR0) & RR0_RCA) |
| return IRQ_ACCEPT; |
| else |
| return IRQ_DECLINE; |
| } |
| static void z8530_irq_handler(irq_t *irq) |
| { |
| z8530_instance_t *instance = irq->instance; |
| z8530_t *dev = instance->z8530; |
| if (z8530_read(&dev->ctl_a, RR0) & RR0_RCA) { |
| uint8_t x = z8530_read(&dev->ctl_a, RR8); |
| indev_push_character(&instance->kbrdin, x); |
| } |
| } |
| /** Initialize z8530. */ |
| indev_t *z8530_init(z8530_t *dev, devno_t devno, inr_t inr, cir_t cir, void *cir_arg) |
| { |
| z8530_instance_t *instance |
| = malloc(sizeof(z8530_instance_t), FRAME_ATOMIC); |
| if (!instance) |
| return false; |
| indev_initialize("z8530", &instance->kbrdin, &kbrdin_ops); |
| instance->devno = devno; |
| instance->z8530 = dev; |
| irq_initialize(&instance->irq); |
| instance->irq.devno = devno; |
| instance->irq.inr = inr; |
| instance->irq.claim = z8530_claim; |
| instance->irq.handler = z8530_irq_handler; |
| instance->irq.instance = instance; |
| instance->irq.cir = cir; |
| instance->irq.cir_arg = cir_arg; |
| irq_register(&instance->irq); |
| (void) z8530_read(&dev->ctl_a, RR8); |
| /* |
| * Clear any pending TX interrupts or we never manage |
| * to set FHC UART interrupt state to idle. |
| */ |
| z8530_write(&dev->ctl_a, WR0, WR0_TX_IP_RST); |
| /* interrupt on all characters */ |
| z8530_write(&dev->ctl_a, WR1, WR1_IARCSC); |
| /* 8 bits per character and enable receiver */ |
| z8530_write(&dev->ctl_a, WR3, WR3_RX8BITSCH | WR3_RX_ENABLE); |
| /* Master Interrupt Enable. */ |
| z8530_write(&dev->ctl_a, WR9, WR9_MIE); |
| return &instance->kbrdin; |
| } |
| /** @} |
| */ |
| Property changes: |
| Added: svn:mergeinfo |
| /branches/dynload/kernel/genarch/src/drivers/ega/ega.c |
|---|
| 60,9 → 60,10 |
| static uint8_t *backbuf; |
| static ioport8_t *ega_base; |
| #define EMPTY_CHAR 0x0720 |
| #define SPACE 0x20 |
| #define STYLE 0x07 |
| chardev_t ega_console; |
| #define EMPTY_CHAR (STYLE << 8 | SPACE) |
| /* |
| * This function takes care of scrolling. |
| 123,12 → 124,15 |
| static void ega_display_char(char ch, bool silent) |
| { |
| backbuf[ega_cursor * 2] = ch; |
| backbuf[ega_cursor * 2 + 1] = STYLE; |
| if (!silent) |
| if (!silent) { |
| videoram[ega_cursor * 2] = ch; |
| videoram[ega_cursor * 2 + 1] = STYLE; |
| } |
| } |
| static void ega_putchar(chardev_t *dev __attribute__((unused)), const char ch, bool silent) |
| static void ega_putchar(outdev_t *dev __attribute__((unused)), const char ch, bool silent) |
| { |
| ipl_t ipl; |
| 160,7 → 164,8 |
| interrupts_restore(ipl); |
| } |
| static chardev_operations_t ega_ops = { |
| static outdev_t ega_console; |
| static outdev_operations_t ega_ops = { |
| .write = ega_putchar |
| }; |
| 179,7 → 184,7 |
| memcpy(backbuf, videoram, EGA_VRAM_SIZE); |
| ega_sync_cursor(); |
| chardev_initialize("ega_out", &ega_console, &ega_ops); |
| outdev_initialize("ega", &ega_console, &ega_ops); |
| stdout = &ega_console; |
| sysinfo_set_item_val("fb", NULL, true); |