@@ -878,12 +878,10 @@ F: hw/display/blizzard.c
F: hw/input/lm832x.c
F: hw/input/tsc2005.c
F: hw/input/tsc210x.c
-F: hw/misc/cbus.c
F: hw/rtc/twl92230.c
F: include/hw/display/blizzard.h
F: include/hw/input/lm832x.h
F: include/hw/input/tsc2xxx.h
-F: include/hw/misc/cbus.h
Raspberry Pi
M: Peter Maydell <peter.maydell@linaro.org>
deleted file mode 100644
@@ -1,31 +0,0 @@
-/*
- * CBUS three-pin bus and the Retu / Betty / Tahvo / Vilma / Avilma /
- * Hinku / Vinku / Ahne / Pihi chips used in various Nokia platforms.
- * Based on reverse-engineering of a linux driver.
- *
- * Copyright (C) 2008 Nokia Corporation
- * Written by Andrzej Zaborowski
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#ifndef HW_MISC_CBUS_H
-#define HW_MISC_CBUS_H
-
-
-typedef struct {
- qemu_irq clk;
- qemu_irq dat;
- qemu_irq sel;
-} CBus;
-
-CBus *cbus_init(qemu_irq dat_out);
-void cbus_attach(CBus *bus, void *slave_opaque);
-
-void *retu_init(qemu_irq irq, int vilma);
-void *tahvo_init(qemu_irq irq, int betty);
-
-void retu_key_event(void *retu, int state);
-
-#endif
deleted file mode 100644
@@ -1,619 +0,0 @@
-/*
- * CBUS three-pin bus and the Retu / Betty / Tahvo / Vilma / Avilma /
- * Hinku / Vinku / Ahne / Pihi chips used in various Nokia platforms.
- * Based on reverse-engineering of a linux driver.
- *
- * 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/irq.h"
-#include "hw/misc/cbus.h"
-#include "sysemu/runstate.h"
-
-//#define DEBUG
-
-typedef struct {
- void *opaque;
- void (*io)(void *opaque, int rw, int reg, uint16_t *val);
- int addr;
-} CBusSlave;
-
-typedef struct {
- CBus cbus;
-
- int sel;
- int dat;
- int clk;
- int bit;
- int dir;
- uint16_t val;
- qemu_irq dat_out;
-
- int addr;
- int reg;
- int rw;
- enum {
- cbus_address,
- cbus_value,
- } cycle;
-
- CBusSlave *slave[8];
-} CBusPriv;
-
-static void cbus_io(CBusPriv *s)
-{
- if (s->slave[s->addr])
- s->slave[s->addr]->io(s->slave[s->addr]->opaque,
- s->rw, s->reg, &s->val);
- else
- hw_error("%s: bad slave address %i\n", __func__, s->addr);
-}
-
-static void cbus_cycle(CBusPriv *s)
-{
- switch (s->cycle) {
- case cbus_address:
- s->addr = (s->val >> 6) & 7;
- s->rw = (s->val >> 5) & 1;
- s->reg = (s->val >> 0) & 0x1f;
-
- s->cycle = cbus_value;
- s->bit = 15;
- s->dir = !s->rw;
- s->val = 0;
-
- if (s->rw)
- cbus_io(s);
- break;
-
- case cbus_value:
- if (!s->rw)
- cbus_io(s);
-
- s->cycle = cbus_address;
- s->bit = 8;
- s->dir = 1;
- s->val = 0;
- break;
- }
-}
-
-static void cbus_clk(void *opaque, int line, int level)
-{
- CBusPriv *s = (CBusPriv *) opaque;
-
- if (!s->sel && level && !s->clk) {
- if (s->dir)
- s->val |= s->dat << (s->bit --);
- else
- qemu_set_irq(s->dat_out, (s->val >> (s->bit --)) & 1);
-
- if (s->bit < 0)
- cbus_cycle(s);
- }
-
- s->clk = level;
-}
-
-static void cbus_dat(void *opaque, int line, int level)
-{
- CBusPriv *s = (CBusPriv *) opaque;
-
- s->dat = level;
-}
-
-static void cbus_sel(void *opaque, int line, int level)
-{
- CBusPriv *s = (CBusPriv *) opaque;
-
- if (!level) {
- s->dir = 1;
- s->bit = 8;
- s->val = 0;
- }
-
- s->sel = level;
-}
-
-CBus *cbus_init(qemu_irq dat)
-{
- CBusPriv *s = g_malloc0(sizeof(*s));
-
- s->dat_out = dat;
- s->cbus.clk = qemu_allocate_irq(cbus_clk, s, 0);
- s->cbus.dat = qemu_allocate_irq(cbus_dat, s, 0);
- s->cbus.sel = qemu_allocate_irq(cbus_sel, s, 0);
-
- s->sel = 1;
- s->clk = 0;
- s->dat = 0;
-
- return &s->cbus;
-}
-
-void cbus_attach(CBus *bus, void *slave_opaque)
-{
- CBusSlave *slave = (CBusSlave *) slave_opaque;
- CBusPriv *s = (CBusPriv *) bus;
-
- s->slave[slave->addr] = slave;
-}
-
-/* Retu/Vilma */
-typedef struct {
- uint16_t irqst;
- uint16_t irqen;
- uint16_t cc[2];
- int channel;
- uint16_t result[16];
- uint16_t sample;
- uint16_t status;
-
- struct {
- uint16_t cal;
- } rtc;
-
- int is_vilma;
- qemu_irq irq;
- CBusSlave cbus;
-} CBusRetu;
-
-static void retu_interrupt_update(CBusRetu *s)
-{
- qemu_set_irq(s->irq, s->irqst & ~s->irqen);
-}
-
-#define RETU_REG_ASICR 0x00 /* (RO) ASIC ID & revision */
-#define RETU_REG_IDR 0x01 /* (T) Interrupt ID */
-#define RETU_REG_IMR 0x02 /* (RW) Interrupt mask */
-#define RETU_REG_RTCDSR 0x03 /* (RW) RTC seconds register */
-#define RETU_REG_RTCHMR 0x04 /* (RO) RTC hours and minutes reg */
-#define RETU_REG_RTCHMAR 0x05 /* (RW) RTC hours and minutes set reg */
-#define RETU_REG_RTCCALR 0x06 /* (RW) RTC calibration register */
-#define RETU_REG_ADCR 0x08 /* (RW) ADC result register */
-#define RETU_REG_ADCSCR 0x09 /* (RW) ADC sample control register */
-#define RETU_REG_AFCR 0x0a /* (RW) AFC register */
-#define RETU_REG_ANTIFR 0x0b /* (RW) AntiF register */
-#define RETU_REG_CALIBR 0x0c /* (RW) CalibR register*/
-#define RETU_REG_CCR1 0x0d /* (RW) Common control register 1 */
-#define RETU_REG_CCR2 0x0e /* (RW) Common control register 2 */
-#define RETU_REG_RCTRL_CLR 0x0f /* (T) Regulator clear register */
-#define RETU_REG_RCTRL_SET 0x10 /* (T) Regulator set register */
-#define RETU_REG_TXCR 0x11 /* (RW) TxC register */
-#define RETU_REG_STATUS 0x16 /* (RO) Status register */
-#define RETU_REG_WATCHDOG 0x17 /* (RW) Watchdog register */
-#define RETU_REG_AUDTXR 0x18 /* (RW) Audio Codec Tx register */
-#define RETU_REG_AUDPAR 0x19 /* (RW) AudioPA register */
-#define RETU_REG_AUDRXR1 0x1a /* (RW) Audio receive register 1 */
-#define RETU_REG_AUDRXR2 0x1b /* (RW) Audio receive register 2 */
-#define RETU_REG_SGR1 0x1c /* (RW) */
-#define RETU_REG_SCR1 0x1d /* (RW) */
-#define RETU_REG_SGR2 0x1e /* (RW) */
-#define RETU_REG_SCR2 0x1f /* (RW) */
-
-/* Retu Interrupt sources */
-enum {
- retu_int_pwr = 0, /* Power button */
- retu_int_char = 1, /* Charger */
- retu_int_rtcs = 2, /* Seconds */
- retu_int_rtcm = 3, /* Minutes */
- retu_int_rtcd = 4, /* Days */
- retu_int_rtca = 5, /* Alarm */
- retu_int_hook = 6, /* Hook */
- retu_int_head = 7, /* Headset */
- retu_int_adcs = 8, /* ADC sample */
-};
-
-/* Retu ADC channel wiring */
-enum {
- retu_adc_bsi = 1, /* BSI */
- retu_adc_batt_temp = 2, /* Battery temperature */
- retu_adc_chg_volt = 3, /* Charger voltage */
- retu_adc_head_det = 4, /* Headset detection */
- retu_adc_hook_det = 5, /* Hook detection */
- retu_adc_rf_gp = 6, /* RF GP */
- retu_adc_tx_det = 7, /* Wideband Tx detection */
- retu_adc_batt_volt = 8, /* Battery voltage */
- retu_adc_sens = 10, /* Light sensor */
- retu_adc_sens_temp = 11, /* Light sensor temperature */
- retu_adc_bbatt_volt = 12, /* Backup battery voltage */
- retu_adc_self_temp = 13, /* RETU temperature */
-};
-
-static inline uint16_t retu_read(CBusRetu *s, int reg)
-{
-#ifdef DEBUG
- printf("RETU read at %02x\n", reg);
-#endif
-
- switch (reg) {
- case RETU_REG_ASICR:
- return 0x0215 | (s->is_vilma << 7);
-
- case RETU_REG_IDR: /* TODO: Or is this ffs(s->irqst)? */
- return s->irqst;
-
- case RETU_REG_IMR:
- return s->irqen;
-
- case RETU_REG_RTCDSR:
- case RETU_REG_RTCHMR:
- case RETU_REG_RTCHMAR:
- /* TODO */
- return 0x0000;
-
- case RETU_REG_RTCCALR:
- return s->rtc.cal;
-
- case RETU_REG_ADCR:
- return (s->channel << 10) | s->result[s->channel];
- case RETU_REG_ADCSCR:
- return s->sample;
-
- case RETU_REG_AFCR:
- case RETU_REG_ANTIFR:
- case RETU_REG_CALIBR:
- /* TODO */
- return 0x0000;
-
- case RETU_REG_CCR1:
- return s->cc[0];
- case RETU_REG_CCR2:
- return s->cc[1];
-
- case RETU_REG_RCTRL_CLR:
- case RETU_REG_RCTRL_SET:
- case RETU_REG_TXCR:
- /* TODO */
- return 0x0000;
-
- case RETU_REG_STATUS:
- return s->status;
-
- case RETU_REG_WATCHDOG:
- case RETU_REG_AUDTXR:
- case RETU_REG_AUDPAR:
- case RETU_REG_AUDRXR1:
- case RETU_REG_AUDRXR2:
- case RETU_REG_SGR1:
- case RETU_REG_SCR1:
- case RETU_REG_SGR2:
- case RETU_REG_SCR2:
- /* TODO */
- return 0x0000;
-
- default:
- hw_error("%s: bad register %02x\n", __func__, reg);
- }
-}
-
-static inline void retu_write(CBusRetu *s, int reg, uint16_t val)
-{
-#ifdef DEBUG
- printf("RETU write of %04x at %02x\n", val, reg);
-#endif
-
- switch (reg) {
- case RETU_REG_IDR:
- s->irqst ^= val;
- retu_interrupt_update(s);
- break;
-
- case RETU_REG_IMR:
- s->irqen = val;
- retu_interrupt_update(s);
- break;
-
- case RETU_REG_RTCDSR:
- case RETU_REG_RTCHMAR:
- /* TODO */
- break;
-
- case RETU_REG_RTCCALR:
- s->rtc.cal = val;
- break;
-
- case RETU_REG_ADCR:
- s->channel = (val >> 10) & 0xf;
- s->irqst |= 1 << retu_int_adcs;
- retu_interrupt_update(s);
- break;
- case RETU_REG_ADCSCR:
- s->sample &= ~val;
- break;
-
- case RETU_REG_AFCR:
- case RETU_REG_ANTIFR:
- case RETU_REG_CALIBR:
-
- case RETU_REG_CCR1:
- s->cc[0] = val;
- break;
- case RETU_REG_CCR2:
- s->cc[1] = val;
- break;
-
- case RETU_REG_RCTRL_CLR:
- case RETU_REG_RCTRL_SET:
- /* TODO */
- break;
-
- case RETU_REG_WATCHDOG:
- if (val == 0 && (s->cc[0] & 2))
- qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
- break;
-
- case RETU_REG_TXCR:
- case RETU_REG_AUDTXR:
- case RETU_REG_AUDPAR:
- case RETU_REG_AUDRXR1:
- case RETU_REG_AUDRXR2:
- case RETU_REG_SGR1:
- case RETU_REG_SCR1:
- case RETU_REG_SGR2:
- case RETU_REG_SCR2:
- /* TODO */
- break;
-
- default:
- hw_error("%s: bad register %02x\n", __func__, reg);
- }
-}
-
-static void retu_io(void *opaque, int rw, int reg, uint16_t *val)
-{
- CBusRetu *s = (CBusRetu *) opaque;
-
- if (rw)
- *val = retu_read(s, reg);
- else
- retu_write(s, reg, *val);
-}
-
-void *retu_init(qemu_irq irq, int vilma)
-{
- CBusRetu *s = g_malloc0(sizeof(*s));
-
- s->irq = irq;
- s->irqen = 0xffff;
- s->irqst = 0x0000;
- s->status = 0x0020;
- s->is_vilma = !!vilma;
- s->rtc.cal = 0x01;
- s->result[retu_adc_bsi] = 0x3c2;
- s->result[retu_adc_batt_temp] = 0x0fc;
- s->result[retu_adc_chg_volt] = 0x165;
- s->result[retu_adc_head_det] = 123;
- s->result[retu_adc_hook_det] = 1023;
- s->result[retu_adc_rf_gp] = 0x11;
- s->result[retu_adc_tx_det] = 0x11;
- s->result[retu_adc_batt_volt] = 0x250;
- s->result[retu_adc_sens] = 2;
- s->result[retu_adc_sens_temp] = 0x11;
- s->result[retu_adc_bbatt_volt] = 0x3d0;
- s->result[retu_adc_self_temp] = 0x330;
-
- s->cbus.opaque = s;
- s->cbus.io = retu_io;
- s->cbus.addr = 1;
-
- return &s->cbus;
-}
-
-void retu_key_event(void *retu, int state)
-{
- CBusSlave *slave = (CBusSlave *) retu;
- CBusRetu *s = (CBusRetu *) slave->opaque;
-
- s->irqst |= 1 << retu_int_pwr;
- retu_interrupt_update(s);
-
- if (state)
- s->status &= ~(1 << 5);
- else
- s->status |= 1 << 5;
-}
-
-#if 0
-static void retu_head_event(void *retu, int state)
-{
- CBusSlave *slave = (CBusSlave *) retu;
- CBusRetu *s = (CBusRetu *) slave->opaque;
-
- if ((s->cc[0] & 0x500) == 0x500) { /* TODO: Which bits? */
- /* TODO: reissue the interrupt every 100ms or so. */
- s->irqst |= 1 << retu_int_head;
- retu_interrupt_update(s);
- }
-
- if (state)
- s->result[retu_adc_head_det] = 50;
- else
- s->result[retu_adc_head_det] = 123;
-}
-
-static void retu_hook_event(void *retu, int state)
-{
- CBusSlave *slave = (CBusSlave *) retu;
- CBusRetu *s = (CBusRetu *) slave->opaque;
-
- if ((s->cc[0] & 0x500) == 0x500) {
- /* TODO: reissue the interrupt every 100ms or so. */
- s->irqst |= 1 << retu_int_hook;
- retu_interrupt_update(s);
- }
-
- if (state)
- s->result[retu_adc_hook_det] = 50;
- else
- s->result[retu_adc_hook_det] = 123;
-}
-#endif
-
-/* Tahvo/Betty */
-typedef struct {
- uint16_t irqst;
- uint16_t irqen;
- uint8_t charger;
- uint8_t backlight;
- uint16_t usbr;
- uint16_t power;
-
- int is_betty;
- qemu_irq irq;
- CBusSlave cbus;
-} CBusTahvo;
-
-static void tahvo_interrupt_update(CBusTahvo *s)
-{
- qemu_set_irq(s->irq, s->irqst & ~s->irqen);
-}
-
-#define TAHVO_REG_ASICR 0x00 /* (RO) ASIC ID & revision */
-#define TAHVO_REG_IDR 0x01 /* (T) Interrupt ID */
-#define TAHVO_REG_IDSR 0x02 /* (RO) Interrupt status */
-#define TAHVO_REG_IMR 0x03 /* (RW) Interrupt mask */
-#define TAHVO_REG_CHAPWMR 0x04 /* (RW) Charger PWM */
-#define TAHVO_REG_LEDPWMR 0x05 /* (RW) LED PWM */
-#define TAHVO_REG_USBR 0x06 /* (RW) USB control */
-#define TAHVO_REG_RCR 0x07 /* (RW) Some kind of power management */
-#define TAHVO_REG_CCR1 0x08 /* (RW) Common control register 1 */
-#define TAHVO_REG_CCR2 0x09 /* (RW) Common control register 2 */
-#define TAHVO_REG_TESTR1 0x0a /* (RW) Test register 1 */
-#define TAHVO_REG_TESTR2 0x0b /* (RW) Test register 2 */
-#define TAHVO_REG_NOPR 0x0c /* (RW) Number of periods */
-#define TAHVO_REG_FRR 0x0d /* (RO) FR */
-
-static inline uint16_t tahvo_read(CBusTahvo *s, int reg)
-{
-#ifdef DEBUG
- printf("TAHVO read at %02x\n", reg);
-#endif
-
- switch (reg) {
- case TAHVO_REG_ASICR:
- return 0x0021 | (s->is_betty ? 0x0b00 : 0x0300); /* 22 in N810 */
-
- case TAHVO_REG_IDR:
- case TAHVO_REG_IDSR: /* XXX: what does this do? */
- return s->irqst;
-
- case TAHVO_REG_IMR:
- return s->irqen;
-
- case TAHVO_REG_CHAPWMR:
- return s->charger;
-
- case TAHVO_REG_LEDPWMR:
- return s->backlight;
-
- case TAHVO_REG_USBR:
- return s->usbr;
-
- case TAHVO_REG_RCR:
- return s->power;
-
- case TAHVO_REG_CCR1:
- case TAHVO_REG_CCR2:
- case TAHVO_REG_TESTR1:
- case TAHVO_REG_TESTR2:
- case TAHVO_REG_NOPR:
- case TAHVO_REG_FRR:
- return 0x0000;
-
- default:
- hw_error("%s: bad register %02x\n", __func__, reg);
- }
-}
-
-static inline void tahvo_write(CBusTahvo *s, int reg, uint16_t val)
-{
-#ifdef DEBUG
- printf("TAHVO write of %04x at %02x\n", val, reg);
-#endif
-
- switch (reg) {
- case TAHVO_REG_IDR:
- s->irqst ^= val;
- tahvo_interrupt_update(s);
- break;
-
- case TAHVO_REG_IMR:
- s->irqen = val;
- tahvo_interrupt_update(s);
- break;
-
- case TAHVO_REG_CHAPWMR:
- s->charger = val;
- break;
-
- case TAHVO_REG_LEDPWMR:
- if (s->backlight != (val & 0x7f)) {
- s->backlight = val & 0x7f;
- printf("%s: LCD backlight now at %i / 127\n",
- __func__, s->backlight);
- }
- break;
-
- case TAHVO_REG_USBR:
- s->usbr = val;
- break;
-
- case TAHVO_REG_RCR:
- s->power = val;
- break;
-
- case TAHVO_REG_CCR1:
- case TAHVO_REG_CCR2:
- case TAHVO_REG_TESTR1:
- case TAHVO_REG_TESTR2:
- case TAHVO_REG_NOPR:
- case TAHVO_REG_FRR:
- break;
-
- default:
- hw_error("%s: bad register %02x\n", __func__, reg);
- }
-}
-
-static void tahvo_io(void *opaque, int rw, int reg, uint16_t *val)
-{
- CBusTahvo *s = (CBusTahvo *) opaque;
-
- if (rw)
- *val = tahvo_read(s, reg);
- else
- tahvo_write(s, reg, *val);
-}
-
-void *tahvo_init(qemu_irq irq, int betty)
-{
- CBusTahvo *s = g_malloc0(sizeof(*s));
-
- s->irq = irq;
- s->irqen = 0xffff;
- s->irqst = 0x0000;
- s->is_betty = !!betty;
-
- s->cbus.opaque = s;
- s->cbus.io = tahvo_io;
- s->cbus.addr = 2;
-
- return &s->cbus;
-}
@@ -142,20 +142,6 @@ config OLIMEX_STM32_H405
depends on TCG && ARM
select STM32F405_SOC
-config NSERIES
- bool
- default y
- depends on TCG && ARM
- select OMAP
- select TMP105 # temperature sensor
- select BLIZZARD # LCD/TV controller
- select ONENAND
- select TSC210X # touchscreen/sensors/audio
- select TSC2005 # touchscreen/sensors/keypad
- select LM832X # GPIO keyboard chip
- select TWL92230 # energy-management
- select TUSB6010
-
config OMAP
bool
select FRAMEBUFFER
@@ -51,7 +51,6 @@ system_ss.add(when: 'CONFIG_ALLWINNER_R40', if_true: files('allwinner-r40-ccu.c'
system_ss.add(when: 'CONFIG_ALLWINNER_R40', if_true: files('allwinner-r40-dramc.c'))
system_ss.add(when: 'CONFIG_AXP2XX_PMU', if_true: files('axp2xx.c'))
system_ss.add(when: 'CONFIG_REALVIEW', if_true: files('arm_sysctl.c'))
-system_ss.add(when: 'CONFIG_NSERIES', if_true: files('cbus.c'))
system_ss.add(when: 'CONFIG_ECCMEMCTL', if_true: files('eccmemctl.c'))
system_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_pmu.c', 'exynos4210_clk.c', 'exynos4210_rng.c'))
system_ss.add(when: 'CONFIG_IMX', if_true: files(
The devices in hw/misc/cbus.c were used only by the now-removed nseries machine types, so they can be removed. As this is the last use of the CONFIG_NSERIES define we can remove that from KConfig now. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20240903160751.4100218-27-peter.maydell@linaro.org --- MAINTAINERS | 2 - include/hw/misc/cbus.h | 31 --- hw/misc/cbus.c | 619 ----------------------------------------- hw/arm/Kconfig | 14 - hw/misc/meson.build | 1 - 5 files changed, 667 deletions(-) delete mode 100644 include/hw/misc/cbus.h delete mode 100644 hw/misc/cbus.c