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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37cd56e6547sm12243771f8f.58.2024.10.01.09.39.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 09:39:36 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 31/54] hw/input: Remove tsc2005 touchscreen controller Date: Tue, 1 Oct 2024 17:38:55 +0100 Message-Id: <20241001163918.1275441-32-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241001163918.1275441-1-peter.maydell@linaro.org> References: <20241001163918.1275441-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Remove the tsc2005 touchscreen controller, which was only used by the n800 and n810 machines. Signed-off-by: Peter Maydell Reviewed-by: Thomas Huth Message-id: 20240903160751.4100218-29-peter.maydell@linaro.org --- MAINTAINERS | 1 - include/hw/input/tsc2xxx.h | 5 - hw/input/tsc2005.c | 571 ------------------------------------- hw/input/Kconfig | 3 - hw/input/meson.build | 1 - hw/input/trace-events | 3 - 6 files changed, 584 deletions(-) delete mode 100644 hw/input/tsc2005.c diff --git a/MAINTAINERS b/MAINTAINERS index 0ca95c895cf..2569bf47a2c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -875,7 +875,6 @@ M: Peter Maydell L: qemu-arm@nongnu.org S: Odd Fixes F: hw/input/lm832x.c -F: hw/input/tsc2005.c F: hw/input/tsc210x.c F: hw/rtc/twl92230.c F: include/hw/input/lm832x.h diff --git a/include/hw/input/tsc2xxx.h b/include/hw/input/tsc2xxx.h index 00eca17674e..dcd4fa7faed 100644 --- a/include/hw/input/tsc2xxx.h +++ b/include/hw/input/tsc2xxx.h @@ -33,9 +33,4 @@ uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len); void tsc210x_set_transform(uWireSlave *chip, const MouseTransformInfo *info); void tsc210x_key_event(uWireSlave *chip, int key, int down); -/* tsc2005.c */ -void *tsc2005_init(qemu_irq pintdav); -uint32_t tsc2005_txrx(void *opaque, uint32_t value, int len); -void tsc2005_set_transform(void *opaque, const MouseTransformInfo *info); - #endif diff --git a/hw/input/tsc2005.c b/hw/input/tsc2005.c deleted file mode 100644 index 54a15d24410..00000000000 --- a/hw/input/tsc2005.c +++ /dev/null @@ -1,571 +0,0 @@ -/* - * TI TSC2005 emulator. - * - * Copyright (c) 2006 Andrzej Zaborowski - * Copyright (C) 2008 Nokia Corporation - * - * 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 . - */ - -#include "qemu/osdep.h" -#include "qemu/log.h" -#include "qemu/timer.h" -#include "sysemu/reset.h" -#include "ui/console.h" -#include "hw/input/tsc2xxx.h" -#include "hw/irq.h" -#include "migration/vmstate.h" -#include "trace.h" - -#define TSC_CUT_RESOLUTION(value, p) ((value) >> (16 - (p ? 12 : 10))) - -typedef struct { - qemu_irq pint; /* Combination of the nPENIRQ and DAV signals */ - QEMUTimer *timer; - uint16_t model; - - int32_t x, y; - bool pressure; - - uint8_t reg, state; - bool irq, command; - uint16_t data, dav; - - bool busy; - bool enabled; - bool host_mode; - int8_t function; - int8_t nextfunction; - bool precision; - bool nextprecision; - uint16_t filter; - uint8_t pin_func; - uint16_t timing[2]; - uint8_t noise; - bool reset; - bool pdst; - bool pnd0; - uint16_t temp_thr[2]; - uint16_t aux_thr[2]; - - int32_t tr[8]; -} TSC2005State; - -enum { - TSC_MODE_XYZ_SCAN = 0x0, - TSC_MODE_XY_SCAN, - TSC_MODE_X, - TSC_MODE_Y, - TSC_MODE_Z, - TSC_MODE_AUX, - TSC_MODE_TEMP1, - TSC_MODE_TEMP2, - TSC_MODE_AUX_SCAN, - TSC_MODE_X_TEST, - TSC_MODE_Y_TEST, - TSC_MODE_TS_TEST, - TSC_MODE_RESERVED, - TSC_MODE_XX_DRV, - TSC_MODE_YY_DRV, - TSC_MODE_YX_DRV, -}; - -static const uint16_t mode_regs[16] = { - 0xf000, /* X, Y, Z scan */ - 0xc000, /* X, Y scan */ - 0x8000, /* X */ - 0x4000, /* Y */ - 0x3000, /* Z */ - 0x0800, /* AUX */ - 0x0400, /* TEMP1 */ - 0x0200, /* TEMP2 */ - 0x0800, /* AUX scan */ - 0x0040, /* X test */ - 0x0020, /* Y test */ - 0x0080, /* Short-circuit test */ - 0x0000, /* Reserved */ - 0x0000, /* X+, X- drivers */ - 0x0000, /* Y+, Y- drivers */ - 0x0000, /* Y+, X- drivers */ -}; - -#define X_TRANSFORM(s) \ - ((s->y * s->tr[0] - s->x * s->tr[1]) / s->tr[2] + s->tr[3]) -#define Y_TRANSFORM(s) \ - ((s->y * s->tr[4] - s->x * s->tr[5]) / s->tr[6] + s->tr[7]) -#define Z1_TRANSFORM(s) \ - ((400 - ((s)->x >> 7) + ((s)->pressure << 10)) << 4) -#define Z2_TRANSFORM(s) \ - ((4000 + ((s)->y >> 7) - ((s)->pressure << 10)) << 4) - -#define AUX_VAL (700 << 4) /* +/- 3 at 12-bit */ -#define TEMP1_VAL (1264 << 4) /* +/- 5 at 12-bit */ -#define TEMP2_VAL (1531 << 4) /* +/- 5 at 12-bit */ - -static uint16_t tsc2005_read(TSC2005State *s, int reg) -{ - uint16_t ret; - - switch (reg) { - case 0x0: /* X */ - s->dav &= ~mode_regs[TSC_MODE_X]; - return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) + - (s->noise & 3); - case 0x1: /* Y */ - s->dav &= ~mode_regs[TSC_MODE_Y]; - s->noise++; - return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^ - (s->noise & 3); - case 0x2: /* Z1 */ - s->dav &= 0xdfff; - return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) - - (s->noise & 3); - case 0x3: /* Z2 */ - s->dav &= 0xefff; - return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) | - (s->noise & 3); - - case 0x4: /* AUX */ - s->dav &= ~mode_regs[TSC_MODE_AUX]; - return TSC_CUT_RESOLUTION(AUX_VAL, s->precision); - - case 0x5: /* TEMP1 */ - s->dav &= ~mode_regs[TSC_MODE_TEMP1]; - return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) - - (s->noise & 5); - case 0x6: /* TEMP2 */ - s->dav &= 0xdfff; - s->dav &= ~mode_regs[TSC_MODE_TEMP2]; - return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^ - (s->noise & 3); - - case 0x7: /* Status */ - ret = s->dav | (s->reset << 7) | (s->pdst << 2) | 0x0; - s->dav &= ~(mode_regs[TSC_MODE_X_TEST] | mode_regs[TSC_MODE_Y_TEST] | - mode_regs[TSC_MODE_TS_TEST]); - s->reset = true; - return ret; - - case 0x8: /* AUX high threshold */ - return s->aux_thr[1]; - case 0x9: /* AUX low threshold */ - return s->aux_thr[0]; - - case 0xa: /* TEMP high threshold */ - return s->temp_thr[1]; - case 0xb: /* TEMP low threshold */ - return s->temp_thr[0]; - - case 0xc: /* CFR0 */ - return (s->pressure << 15) | ((!s->busy) << 14) | - (s->nextprecision << 13) | s->timing[0]; - case 0xd: /* CFR1 */ - return s->timing[1]; - case 0xe: /* CFR2 */ - return (s->pin_func << 14) | s->filter; - - case 0xf: /* Function select status */ - return s->function >= 0 ? 1 << s->function : 0; - } - - /* Never gets here */ - return 0xffff; -} - -static void tsc2005_write(TSC2005State *s, int reg, uint16_t data) -{ - switch (reg) { - case 0x8: /* AUX high threshold */ - s->aux_thr[1] = data; - break; - case 0x9: /* AUX low threshold */ - s->aux_thr[0] = data; - break; - - case 0xa: /* TEMP high threshold */ - s->temp_thr[1] = data; - break; - case 0xb: /* TEMP low threshold */ - s->temp_thr[0] = data; - break; - - case 0xc: /* CFR0 */ - s->host_mode = (data >> 15) != 0; - if (s->enabled != !(data & 0x4000)) { - s->enabled = !(data & 0x4000); - trace_tsc2005_sense(s->enabled ? "enabled" : "disabled"); - if (s->busy && !s->enabled) { - timer_del(s->timer); - } - s->busy = s->busy && s->enabled; - } - s->nextprecision = (data >> 13) & 1; - s->timing[0] = data & 0x1fff; - if ((s->timing[0] >> 11) == 3) { - qemu_log_mask(LOG_GUEST_ERROR, - "tsc2005_write: illegal conversion clock setting\n"); - } - break; - case 0xd: /* CFR1 */ - s->timing[1] = data & 0xf07; - break; - case 0xe: /* CFR2 */ - s->pin_func = (data >> 14) & 3; - s->filter = data & 0x3fff; - break; - - default: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: write into read-only register 0x%x\n", - __func__, reg); - } -} - -/* This handles most of the chip's logic. */ -static void tsc2005_pin_update(TSC2005State *s) -{ - int64_t expires; - bool pin_state; - - switch (s->pin_func) { - case 0: - pin_state = !s->pressure && !!s->dav; - break; - case 1: - case 3: - default: - pin_state = !s->dav; - break; - case 2: - pin_state = !s->pressure; - } - - if (pin_state != s->irq) { - s->irq = pin_state; - qemu_set_irq(s->pint, s->irq); - } - - switch (s->nextfunction) { - case TSC_MODE_XYZ_SCAN: - case TSC_MODE_XY_SCAN: - if (!s->host_mode && s->dav) { - s->enabled = false; - } - if (!s->pressure) { - return; - } - /* Fall through */ - case TSC_MODE_AUX_SCAN: - break; - - case TSC_MODE_X: - case TSC_MODE_Y: - case TSC_MODE_Z: - if (!s->pressure) { - return; - } - /* Fall through */ - case TSC_MODE_AUX: - case TSC_MODE_TEMP1: - case TSC_MODE_TEMP2: - case TSC_MODE_X_TEST: - case TSC_MODE_Y_TEST: - case TSC_MODE_TS_TEST: - if (s->dav) { - s->enabled = false; - } - break; - - case TSC_MODE_RESERVED: - case TSC_MODE_XX_DRV: - case TSC_MODE_YY_DRV: - case TSC_MODE_YX_DRV: - default: - return; - } - - if (!s->enabled || s->busy) { - return; - } - - s->busy = true; - s->precision = s->nextprecision; - s->function = s->nextfunction; - s->pdst = !s->pnd0; /* Synchronised on internal clock */ - expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (NANOSECONDS_PER_SECOND >> 7); - timer_mod(s->timer, expires); -} - -static void tsc2005_reset(TSC2005State *s) -{ - s->state = 0; - s->pin_func = 0; - s->enabled = false; - s->busy = false; - s->nextprecision = false; - s->nextfunction = 0; - s->timing[0] = 0; - s->timing[1] = 0; - s->irq = false; - s->dav = 0; - s->reset = false; - s->pdst = true; - s->pnd0 = false; - s->function = -1; - s->temp_thr[0] = 0x000; - s->temp_thr[1] = 0xfff; - s->aux_thr[0] = 0x000; - s->aux_thr[1] = 0xfff; - - tsc2005_pin_update(s); -} - -static uint8_t tsc2005_txrx_word(void *opaque, uint8_t value) -{ - TSC2005State *s = opaque; - uint32_t ret = 0; - - switch (s->state++) { - case 0: - if (value & 0x80) { - /* Command */ - if (value & (1 << 1)) - tsc2005_reset(s); - else { - s->nextfunction = (value >> 3) & 0xf; - s->nextprecision = (value >> 2) & 1; - if (s->enabled != !(value & 1)) { - s->enabled = !(value & 1); - trace_tsc2005_sense(s->enabled ? "enabled" : "disabled"); - if (s->busy && !s->enabled) { - timer_del(s->timer); - } - s->busy = s->busy && s->enabled; - } - tsc2005_pin_update(s); - } - - s->state = 0; - } else if (value) { - /* Data transfer */ - s->reg = (value >> 3) & 0xf; - s->pnd0 = (value >> 1) & 1; - s->command = value & 1; - - if (s->command) { - /* Read */ - s->data = tsc2005_read(s, s->reg); - tsc2005_pin_update(s); - } else - s->data = 0; - } else - s->state = 0; - break; - - case 1: - if (s->command) { - ret = (s->data >> 8) & 0xff; - } else { - s->data |= value << 8; - } - break; - - case 2: - if (s->command) - ret = s->data & 0xff; - else { - s->data |= value; - tsc2005_write(s, s->reg, s->data); - tsc2005_pin_update(s); - } - - s->state = 0; - break; - } - - return ret; -} - -uint32_t tsc2005_txrx(void *opaque, uint32_t value, int len) -{ - uint32_t ret = 0; - - len &= ~7; - while (len > 0) { - len -= 8; - ret |= tsc2005_txrx_word(opaque, (value >> len) & 0xff) << len; - } - - return ret; -} - -static void tsc2005_timer_tick(void *opaque) -{ - TSC2005State *s = opaque; - unsigned int function = s->function; - - assert(function < ARRAY_SIZE(mode_regs)); - - /* Timer ticked -- a set of conversions has been finished. */ - - if (!s->busy) { - return; - } - - s->busy = false; - s->dav |= mode_regs[function]; - s->function = -1; - tsc2005_pin_update(s); -} - -static void tsc2005_touchscreen_event(void *opaque, - int x, int y, int z, int buttons_state) -{ - TSC2005State *s = opaque; - int p = s->pressure; - - if (buttons_state) { - s->x = x; - s->y = y; - } - s->pressure = !!buttons_state; - - /* - * Note: We would get better responsiveness in the guest by - * signaling TS events immediately, but for now we simulate - * the first conversion delay for sake of correctness. - */ - if (p != s->pressure) { - tsc2005_pin_update(s); - } -} - -static int tsc2005_post_load(void *opaque, int version_id) -{ - TSC2005State *s = (TSC2005State *) opaque; - - s->busy = timer_pending(s->timer); - tsc2005_pin_update(s); - - return 0; -} - -static const VMStateDescription vmstate_tsc2005 = { - .name = "tsc2005", - .version_id = 2, - .minimum_version_id = 2, - .post_load = tsc2005_post_load, - .fields = (const VMStateField []) { - VMSTATE_BOOL(pressure, TSC2005State), - VMSTATE_BOOL(irq, TSC2005State), - VMSTATE_BOOL(command, TSC2005State), - VMSTATE_BOOL(enabled, TSC2005State), - VMSTATE_BOOL(host_mode, TSC2005State), - VMSTATE_BOOL(reset, TSC2005State), - VMSTATE_BOOL(pdst, TSC2005State), - VMSTATE_BOOL(pnd0, TSC2005State), - VMSTATE_BOOL(precision, TSC2005State), - VMSTATE_BOOL(nextprecision, TSC2005State), - VMSTATE_UINT8(reg, TSC2005State), - VMSTATE_UINT8(state, TSC2005State), - VMSTATE_UINT16(data, TSC2005State), - VMSTATE_UINT16(dav, TSC2005State), - VMSTATE_UINT16(filter, TSC2005State), - VMSTATE_INT8(nextfunction, TSC2005State), - VMSTATE_INT8(function, TSC2005State), - VMSTATE_INT32(x, TSC2005State), - VMSTATE_INT32(y, TSC2005State), - VMSTATE_TIMER_PTR(timer, TSC2005State), - VMSTATE_UINT8(pin_func, TSC2005State), - VMSTATE_UINT16_ARRAY(timing, TSC2005State, 2), - VMSTATE_UINT8(noise, TSC2005State), - VMSTATE_UINT16_ARRAY(temp_thr, TSC2005State, 2), - VMSTATE_UINT16_ARRAY(aux_thr, TSC2005State, 2), - VMSTATE_INT32_ARRAY(tr, TSC2005State, 8), - VMSTATE_END_OF_LIST() - } -}; - -void *tsc2005_init(qemu_irq pintdav) -{ - TSC2005State *s; - - s = g_new0(TSC2005State, 1); - s->x = 400; - s->y = 240; - s->pressure = false; - s->precision = s->nextprecision = false; - s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc2005_timer_tick, s); - s->pint = pintdav; - s->model = 0x2005; - - s->tr[0] = 0; - s->tr[1] = 1; - s->tr[2] = 1; - s->tr[3] = 0; - s->tr[4] = 1; - s->tr[5] = 0; - s->tr[6] = 1; - s->tr[7] = 0; - - tsc2005_reset(s); - - qemu_add_mouse_event_handler(tsc2005_touchscreen_event, s, 1, - "QEMU TSC2005-driven Touchscreen"); - - qemu_register_reset((void *) tsc2005_reset, s); - vmstate_register(NULL, 0, &vmstate_tsc2005, s); - - return s; -} - -/* - * Use tslib generated calibration data to generate ADC input values - * from the touchscreen. Assuming 12-bit precision was used during - * tslib calibration. - */ -void tsc2005_set_transform(void *opaque, const MouseTransformInfo *info) -{ - TSC2005State *s = (TSC2005State *) opaque; - - /* This version assumes touchscreen X & Y axis are parallel or - * perpendicular to LCD's X & Y axis in some way. */ - if (abs(info->a[0]) > abs(info->a[1])) { - s->tr[0] = 0; - s->tr[1] = -info->a[6] * info->x; - s->tr[2] = info->a[0]; - s->tr[3] = -info->a[2] / info->a[0]; - s->tr[4] = info->a[6] * info->y; - s->tr[5] = 0; - s->tr[6] = info->a[4]; - s->tr[7] = -info->a[5] / info->a[4]; - } else { - s->tr[0] = info->a[6] * info->y; - s->tr[1] = 0; - s->tr[2] = info->a[1]; - s->tr[3] = -info->a[2] / info->a[1]; - s->tr[4] = 0; - s->tr[5] = -info->a[6] * info->x; - s->tr[6] = info->a[3]; - s->tr[7] = -info->a[5] / info->a[3]; - } - - s->tr[0] >>= 11; - s->tr[1] >>= 11; - s->tr[3] <<= 4; - s->tr[4] >>= 11; - s->tr[5] >>= 11; - s->tr[7] <<= 4; -} diff --git a/hw/input/Kconfig b/hw/input/Kconfig index acfdba5c4ca..01a64a9aa7e 100644 --- a/hw/input/Kconfig +++ b/hw/input/Kconfig @@ -20,9 +20,6 @@ config PS2 config STELLARIS_GAMEPAD bool -config TSC2005 - bool - config VIRTIO_INPUT bool default y diff --git a/hw/input/meson.build b/hw/input/meson.build index fe60b6e28fc..064d1e47802 100644 --- a/hw/input/meson.build +++ b/hw/input/meson.build @@ -5,7 +5,6 @@ system_ss.add(when: 'CONFIG_PCKBD', if_true: files('pckbd.c')) system_ss.add(when: 'CONFIG_PL050', if_true: files('pl050.c')) system_ss.add(when: 'CONFIG_PS2', if_true: files('ps2.c')) system_ss.add(when: 'CONFIG_STELLARIS_GAMEPAD', if_true: files('stellaris_gamepad.c')) -system_ss.add(when: 'CONFIG_TSC2005', if_true: files('tsc2005.c')) system_ss.add(when: 'CONFIG_VIRTIO_INPUT', if_true: files('virtio-input.c')) system_ss.add(when: 'CONFIG_VIRTIO_INPUT', if_true: files('virtio-input-hid.c')) diff --git a/hw/input/trace-events b/hw/input/trace-events index 29001a827d9..1484625565b 100644 --- a/hw/input/trace-events +++ b/hw/input/trace-events @@ -46,9 +46,6 @@ ps2_mouse_reset(void *opaque) "%p" hid_kbd_queue_full(void) "queue full" hid_kbd_queue_empty(void) "queue empty" -# tsc2005.c -tsc2005_sense(const char *state) "touchscreen sense %s" - # virtio-input.c virtio_input_queue_full(void) "queue full"