diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/input/lm832x.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/input/lm832x.c')
-rw-r--r-- | qemu/hw/input/lm832x.c | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/qemu/hw/input/lm832x.c b/qemu/hw/input/lm832x.c deleted file mode 100644 index 539682cac..000000000 --- a/qemu/hw/input/lm832x.c +++ /dev/null @@ -1,525 +0,0 @@ -/* - * National Semiconductor LM8322/8323 GPIO keyboard & PWM chips. - * - * Copyright (C) 2008 Nokia Corporation - * Written by Andrzej Zaborowski <andrew@openedhand.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 or - * (at your option) version 3 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/i2c/i2c.h" -#include "qemu/timer.h" -#include "ui/console.h" - -#define TYPE_LM8323 "lm8323" -#define LM8323(obj) OBJECT_CHECK(LM823KbdState, (obj), TYPE_LM8323) - -typedef struct { - I2CSlave parent_obj; - - uint8_t i2c_dir; - uint8_t i2c_cycle; - uint8_t reg; - - qemu_irq nirq; - uint16_t model; - - struct { - qemu_irq out[2]; - int in[2][2]; - } mux; - - uint8_t config; - uint8_t status; - uint8_t acttime; - uint8_t error; - uint8_t clock; - - struct { - uint16_t pull; - uint16_t mask; - uint16_t dir; - uint16_t level; - qemu_irq out[16]; - } gpio; - - struct { - uint8_t dbnctime; - uint8_t size; - uint8_t start; - uint8_t len; - uint8_t fifo[16]; - } kbd; - - struct { - uint16_t file[256]; - uint8_t faddr; - uint8_t addr[3]; - QEMUTimer *tm[3]; - } pwm; -} LM823KbdState; - -#define INT_KEYPAD (1 << 0) -#define INT_ERROR (1 << 3) -#define INT_NOINIT (1 << 4) -#define INT_PWMEND(n) (1 << (5 + n)) - -#define ERR_BADPAR (1 << 0) -#define ERR_CMDUNK (1 << 1) -#define ERR_KEYOVR (1 << 2) -#define ERR_FIFOOVR (1 << 6) - -static void lm_kbd_irq_update(LM823KbdState *s) -{ - qemu_set_irq(s->nirq, !s->status); -} - -static void lm_kbd_gpio_update(LM823KbdState *s) -{ -} - -static void lm_kbd_reset(LM823KbdState *s) -{ - s->config = 0x80; - s->status = INT_NOINIT; - s->acttime = 125; - s->kbd.dbnctime = 3; - s->kbd.size = 0x33; - s->clock = 0x08; - - lm_kbd_irq_update(s); - lm_kbd_gpio_update(s); -} - -static void lm_kbd_error(LM823KbdState *s, int err) -{ - s->error |= err; - s->status |= INT_ERROR; - lm_kbd_irq_update(s); -} - -static void lm_kbd_pwm_tick(LM823KbdState *s, int line) -{ -} - -static void lm_kbd_pwm_start(LM823KbdState *s, int line) -{ - lm_kbd_pwm_tick(s, line); -} - -static void lm_kbd_pwm0_tick(void *opaque) -{ - lm_kbd_pwm_tick(opaque, 0); -} -static void lm_kbd_pwm1_tick(void *opaque) -{ - lm_kbd_pwm_tick(opaque, 1); -} -static void lm_kbd_pwm2_tick(void *opaque) -{ - lm_kbd_pwm_tick(opaque, 2); -} - -enum { - LM832x_CMD_READ_ID = 0x80, /* Read chip ID. */ - LM832x_CMD_WRITE_CFG = 0x81, /* Set configuration item. */ - LM832x_CMD_READ_INT = 0x82, /* Get interrupt status. */ - LM832x_CMD_RESET = 0x83, /* Reset, same as external one */ - LM823x_CMD_WRITE_PULL_DOWN = 0x84, /* Select GPIO pull-up/down. */ - LM832x_CMD_WRITE_PORT_SEL = 0x85, /* Select GPIO in/out. */ - LM832x_CMD_WRITE_PORT_STATE = 0x86, /* Set GPIO pull-up/down. */ - LM832x_CMD_READ_PORT_SEL = 0x87, /* Get GPIO in/out. */ - LM832x_CMD_READ_PORT_STATE = 0x88, /* Get GPIO pull-up/down. */ - LM832x_CMD_READ_FIFO = 0x89, /* Read byte from FIFO. */ - LM832x_CMD_RPT_READ_FIFO = 0x8a, /* Read FIFO (no increment). */ - LM832x_CMD_SET_ACTIVE = 0x8b, /* Set active time. */ - LM832x_CMD_READ_ERROR = 0x8c, /* Get error status. */ - LM832x_CMD_READ_ROTATOR = 0x8e, /* Read rotator status. */ - LM832x_CMD_SET_DEBOUNCE = 0x8f, /* Set debouncing time. */ - LM832x_CMD_SET_KEY_SIZE = 0x90, /* Set keypad size. */ - LM832x_CMD_READ_KEY_SIZE = 0x91, /* Get keypad size. */ - LM832x_CMD_READ_CFG = 0x92, /* Get configuration item. */ - LM832x_CMD_WRITE_CLOCK = 0x93, /* Set clock config. */ - LM832x_CMD_READ_CLOCK = 0x94, /* Get clock config. */ - LM832x_CMD_PWM_WRITE = 0x95, /* Write PWM script. */ - LM832x_CMD_PWM_START = 0x96, /* Start PWM engine. */ - LM832x_CMD_PWM_STOP = 0x97, /* Stop PWM engine. */ - LM832x_GENERAL_ERROR = 0xff, /* There was one error. - Previously was represented by -1 - This is not a command */ -}; - -#define LM832x_MAX_KPX 8 -#define LM832x_MAX_KPY 12 - -static uint8_t lm_kbd_read(LM823KbdState *s, int reg, int byte) -{ - int ret; - - switch (reg) { - case LM832x_CMD_READ_ID: - ret = 0x0400; - break; - - case LM832x_CMD_READ_INT: - ret = s->status; - if (!(s->status & INT_NOINIT)) { - s->status = 0; - lm_kbd_irq_update(s); - } - break; - - case LM832x_CMD_READ_PORT_SEL: - ret = s->gpio.dir; - break; - case LM832x_CMD_READ_PORT_STATE: - ret = s->gpio.mask; - break; - - case LM832x_CMD_READ_FIFO: - if (s->kbd.len <= 1) - return 0x00; - - /* Example response from the two commands after a INT_KEYPAD - * interrupt caused by the key 0x3c being pressed: - * RPT_READ_FIFO: 55 bc 00 4e ff 0a 50 08 00 29 d9 08 01 c9 01 - * READ_FIFO: bc 00 00 4e ff 0a 50 08 00 29 d9 08 01 c9 01 - * RPT_READ_FIFO: bc 00 00 4e ff 0a 50 08 00 29 d9 08 01 c9 01 - * - * 55 is the code of the key release event serviced in the previous - * interrupt handling. - * - * TODO: find out whether the FIFO is advanced a single character - * before reading every byte or the whole size of the FIFO at the - * last LM832x_CMD_READ_FIFO. This affects LM832x_CMD_RPT_READ_FIFO - * output in cases where there are more than one event in the FIFO. - * Assume 0xbc and 0x3c events are in the FIFO: - * RPT_READ_FIFO: 55 bc 3c 00 4e ff 0a 50 08 00 29 d9 08 01 c9 - * READ_FIFO: bc 3c 00 00 4e ff 0a 50 08 00 29 d9 08 01 c9 - * Does RPT_READ_FIFO now return 0xbc and 0x3c or only 0x3c? - */ - s->kbd.start ++; - s->kbd.start &= sizeof(s->kbd.fifo) - 1; - s->kbd.len --; - - return s->kbd.fifo[s->kbd.start]; - case LM832x_CMD_RPT_READ_FIFO: - if (byte >= s->kbd.len) - return 0x00; - - return s->kbd.fifo[(s->kbd.start + byte) & (sizeof(s->kbd.fifo) - 1)]; - - case LM832x_CMD_READ_ERROR: - return s->error; - - case LM832x_CMD_READ_ROTATOR: - return 0; - - case LM832x_CMD_READ_KEY_SIZE: - return s->kbd.size; - - case LM832x_CMD_READ_CFG: - return s->config & 0xf; - - case LM832x_CMD_READ_CLOCK: - return (s->clock & 0xfc) | 2; - - default: - lm_kbd_error(s, ERR_CMDUNK); - fprintf(stderr, "%s: unknown command %02x\n", __FUNCTION__, reg); - return 0x00; - } - - return ret >> (byte << 3); -} - -static void lm_kbd_write(LM823KbdState *s, int reg, int byte, uint8_t value) -{ - switch (reg) { - case LM832x_CMD_WRITE_CFG: - s->config = value; - /* This must be done whenever s->mux.in is updated (never). */ - if ((s->config >> 1) & 1) /* MUX1EN */ - qemu_set_irq(s->mux.out[0], s->mux.in[0][(s->config >> 0) & 1]); - if ((s->config >> 3) & 1) /* MUX2EN */ - qemu_set_irq(s->mux.out[0], s->mux.in[0][(s->config >> 2) & 1]); - /* TODO: check that this is issued only following the chip reset - * and not in the middle of operation and that it is followed by - * the GPIO ports re-resablishing through WRITE_PORT_SEL and - * WRITE_PORT_STATE (using a timer perhaps) and otherwise output - * warnings. */ - s->status = 0; - lm_kbd_irq_update(s); - s->kbd.len = 0; - s->kbd.start = 0; - s->reg = LM832x_GENERAL_ERROR; - break; - - case LM832x_CMD_RESET: - if (value == 0xaa) - lm_kbd_reset(s); - else - lm_kbd_error(s, ERR_BADPAR); - s->reg = LM832x_GENERAL_ERROR; - break; - - case LM823x_CMD_WRITE_PULL_DOWN: - if (!byte) - s->gpio.pull = value; - else { - s->gpio.pull |= value << 8; - lm_kbd_gpio_update(s); - s->reg = LM832x_GENERAL_ERROR; - } - break; - case LM832x_CMD_WRITE_PORT_SEL: - if (!byte) - s->gpio.dir = value; - else { - s->gpio.dir |= value << 8; - lm_kbd_gpio_update(s); - s->reg = LM832x_GENERAL_ERROR; - } - break; - case LM832x_CMD_WRITE_PORT_STATE: - if (!byte) - s->gpio.mask = value; - else { - s->gpio.mask |= value << 8; - lm_kbd_gpio_update(s); - s->reg = LM832x_GENERAL_ERROR; - } - break; - - case LM832x_CMD_SET_ACTIVE: - s->acttime = value; - s->reg = LM832x_GENERAL_ERROR; - break; - - case LM832x_CMD_SET_DEBOUNCE: - s->kbd.dbnctime = value; - s->reg = LM832x_GENERAL_ERROR; - if (!value) - lm_kbd_error(s, ERR_BADPAR); - break; - - case LM832x_CMD_SET_KEY_SIZE: - s->kbd.size = value; - s->reg = LM832x_GENERAL_ERROR; - if ( - (value & 0xf) < 3 || (value & 0xf) > LM832x_MAX_KPY || - (value >> 4) < 3 || (value >> 4) > LM832x_MAX_KPX) - lm_kbd_error(s, ERR_BADPAR); - break; - - case LM832x_CMD_WRITE_CLOCK: - s->clock = value; - s->reg = LM832x_GENERAL_ERROR; - if ((value & 3) && (value & 3) != 3) { - lm_kbd_error(s, ERR_BADPAR); - fprintf(stderr, "%s: invalid clock setting in RCPWM\n", - __FUNCTION__); - } - /* TODO: Validate that the command is only issued once */ - break; - - case LM832x_CMD_PWM_WRITE: - if (byte == 0) { - if (!(value & 3) || (value >> 2) > 59) { - lm_kbd_error(s, ERR_BADPAR); - s->reg = LM832x_GENERAL_ERROR; - break; - } - - s->pwm.faddr = value; - s->pwm.file[s->pwm.faddr] = 0; - } else if (byte == 1) { - s->pwm.file[s->pwm.faddr] |= value << 8; - } else if (byte == 2) { - s->pwm.file[s->pwm.faddr] |= value << 0; - s->reg = LM832x_GENERAL_ERROR; - } - break; - case LM832x_CMD_PWM_START: - s->reg = LM832x_GENERAL_ERROR; - if (!(value & 3) || (value >> 2) > 59) { - lm_kbd_error(s, ERR_BADPAR); - break; - } - - s->pwm.addr[(value & 3) - 1] = value >> 2; - lm_kbd_pwm_start(s, (value & 3) - 1); - break; - case LM832x_CMD_PWM_STOP: - s->reg = LM832x_GENERAL_ERROR; - if (!(value & 3)) { - lm_kbd_error(s, ERR_BADPAR); - break; - } - - timer_del(s->pwm.tm[(value & 3) - 1]); - break; - - case LM832x_GENERAL_ERROR: - lm_kbd_error(s, ERR_BADPAR); - break; - default: - lm_kbd_error(s, ERR_CMDUNK); - fprintf(stderr, "%s: unknown command %02x\n", __FUNCTION__, reg); - break; - } -} - -static void lm_i2c_event(I2CSlave *i2c, enum i2c_event event) -{ - LM823KbdState *s = LM8323(i2c); - - switch (event) { - case I2C_START_RECV: - case I2C_START_SEND: - s->i2c_cycle = 0; - s->i2c_dir = (event == I2C_START_SEND); - break; - - default: - break; - } -} - -static int lm_i2c_rx(I2CSlave *i2c) -{ - LM823KbdState *s = LM8323(i2c); - - return lm_kbd_read(s, s->reg, s->i2c_cycle ++); -} - -static int lm_i2c_tx(I2CSlave *i2c, uint8_t data) -{ - LM823KbdState *s = LM8323(i2c); - - if (!s->i2c_cycle) - s->reg = data; - else - lm_kbd_write(s, s->reg, s->i2c_cycle - 1, data); - s->i2c_cycle ++; - - return 0; -} - -static int lm_kbd_post_load(void *opaque, int version_id) -{ - LM823KbdState *s = opaque; - - lm_kbd_irq_update(s); - lm_kbd_gpio_update(s); - - return 0; -} - -static const VMStateDescription vmstate_lm_kbd = { - .name = "LM8323", - .version_id = 0, - .minimum_version_id = 0, - .post_load = lm_kbd_post_load, - .fields = (VMStateField[]) { - VMSTATE_I2C_SLAVE(parent_obj, LM823KbdState), - VMSTATE_UINT8(i2c_dir, LM823KbdState), - VMSTATE_UINT8(i2c_cycle, LM823KbdState), - VMSTATE_UINT8(reg, LM823KbdState), - VMSTATE_UINT8(config, LM823KbdState), - VMSTATE_UINT8(status, LM823KbdState), - VMSTATE_UINT8(acttime, LM823KbdState), - VMSTATE_UINT8(error, LM823KbdState), - VMSTATE_UINT8(clock, LM823KbdState), - VMSTATE_UINT16(gpio.pull, LM823KbdState), - VMSTATE_UINT16(gpio.mask, LM823KbdState), - VMSTATE_UINT16(gpio.dir, LM823KbdState), - VMSTATE_UINT16(gpio.level, LM823KbdState), - VMSTATE_UINT8(kbd.dbnctime, LM823KbdState), - VMSTATE_UINT8(kbd.size, LM823KbdState), - VMSTATE_UINT8(kbd.start, LM823KbdState), - VMSTATE_UINT8(kbd.len, LM823KbdState), - VMSTATE_BUFFER(kbd.fifo, LM823KbdState), - VMSTATE_UINT16_ARRAY(pwm.file, LM823KbdState, 256), - VMSTATE_UINT8(pwm.faddr, LM823KbdState), - VMSTATE_BUFFER(pwm.addr, LM823KbdState), - VMSTATE_TIMER_PTR_ARRAY(pwm.tm, LM823KbdState, 3), - VMSTATE_END_OF_LIST() - } -}; - - -static int lm8323_init(I2CSlave *i2c) -{ - LM823KbdState *s = LM8323(i2c); - - s->model = 0x8323; - s->pwm.tm[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm0_tick, s); - s->pwm.tm[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm1_tick, s); - s->pwm.tm[2] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm2_tick, s); - qdev_init_gpio_out(DEVICE(i2c), &s->nirq, 1); - - lm_kbd_reset(s); - - qemu_register_reset((void *) lm_kbd_reset, s); - return 0; -} - -void lm832x_key_event(DeviceState *dev, int key, int state) -{ - LM823KbdState *s = LM8323(dev); - - if ((s->status & INT_ERROR) && (s->error & ERR_FIFOOVR)) - return; - - if (s->kbd.len >= sizeof(s->kbd.fifo)) { - lm_kbd_error(s, ERR_FIFOOVR); - return; - } - - s->kbd.fifo[(s->kbd.start + s->kbd.len ++) & (sizeof(s->kbd.fifo) - 1)] = - key | (state << 7); - - /* We never set ERR_KEYOVR because we support multiple keys fine. */ - s->status |= INT_KEYPAD; - lm_kbd_irq_update(s); -} - -static void lm8323_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); - - k->init = lm8323_init; - k->event = lm_i2c_event; - k->recv = lm_i2c_rx; - k->send = lm_i2c_tx; - dc->vmsd = &vmstate_lm_kbd; -} - -static const TypeInfo lm8323_info = { - .name = TYPE_LM8323, - .parent = TYPE_I2C_SLAVE, - .instance_size = sizeof(LM823KbdState), - .class_init = lm8323_class_init, -}; - -static void lm832x_register_types(void) -{ - type_register_static(&lm8323_info); -} - -type_init(lm832x_register_types) |