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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42bb6df1066sm175123065e9.18.2024.09.03.09.07.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Sep 2024 09:07:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1725379674; x=1725984474; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=THIrIBfM4vzOfJ3nHM2ubG7+E5S52F8G9as4tfAXnnQ=; b=OiP5F+uOFDoaoEmh/UEQI1EfponDU6E+/CRPFjFx6el6fuNV8s+xuYnA5vvRuAMdiR IG01rjLjN3ZE1N4RXliSY+40FFx1zbYCWmKeHsKtT/ShiBtgbWJFxVwx+xm8Q3oncs8X VmGyA67E9o4AcMkbW3JYXTSOyy/JfjUTV6BJ86KdeFvmS7rtIDq7MC/BOh1y0FM/b179 CBvn2QH80GXsWWfM2GLoWnHO8KZ5K6BIs+1uhaGaDJRMBtlwAeE+DslVd4dwYplkpVkU BOIqfVU3QVZRv1JygTGzr0YGinDfICXX/Mpwiy1FqVpQwg7Cq6HzJ5arevNYA8UKssIW c7TA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725379674; x=1725984474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=THIrIBfM4vzOfJ3nHM2ubG7+E5S52F8G9as4tfAXnnQ=; b=vCPUOmHc06xQJY0oycpbHoSUWiB62mWcXuoKjKAlK4TIStAW1PHDwioe55UtIXW3Ri AYS2av1ZJ8ozPkUiJvVVZAY4+we3v6hXoLtooJvlsKccegE0Hxlyxjg1kdqvjdpip47m sgnQG49S5ZHTXr7Iy/AVaKsj9Rvcl6veV/dbvJduTzgV7L7P2nczyZkHTw47/Wm+liSw JYphpAzry2CCnwD/YZIvYfSzlVnKpEpOjnUCKZNKLalGhXerO6MlllBRn3MlChswtITd 7j0Tc7NAd9j2hgq2e00dlmxI71RMdVKJnG2J/yEI7Lfoc2MQKDkIr5FMW1DW8+SzMAWk FzxQ== X-Forwarded-Encrypted: i=1; AJvYcCWmFgoFsn38gLJgKipYAiUysaVzzMqCo8p0xptkuU0L4ixDMbPqz9Jb9Db/lj0AsL8TNyWCW0ZXjRTR@nongnu.org X-Gm-Message-State: AOJu0YzURZf22x1vb4RkJPeaHYsweT1csWKJlufIoSGImaqulnwG3cTW 0B34POCmElrIIp0tXz5BOfS/tIyqFBTkUBnBylRPf/epWgDrXybUzhkqiocn4vUIWGoDSytDNVH + X-Google-Smtp-Source: AGHT+IEp7TvbwtOJWUi4Sn5IYHzE+ZJ3TCXshTUBXDmRm1Nhrk5H2AIoHEN+PJVi/Cs+0uls+57vrQ== X-Received: by 2002:a05:600c:1d16:b0:42b:892d:54c0 with SMTP id 5b1f17b1804b1-42c7b5a8db6mr72483765e9.12.1725379674527; Tue, 03 Sep 2024 09:07:54 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH for-9.2 02/53] hw/input: Drop ADS7846 device Date: Tue, 3 Sep 2024 17:07:00 +0100 Message-Id: <20240903160751.4100218-3-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240903160751.4100218-1-peter.maydell@linaro.org> References: <20240903160751.4100218-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x334.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1725379801304116600 Content-Type: text/plain; charset="utf-8" The ADS7846 touchscreen controller device was used only by the XScale-based PDA machine types. Now that they have been removed, this device is not used in the tree and can be deleted. Signed-off-by: Peter Maydell Reviewed-by: Thomas Huth --- MAINTAINERS | 1 - hw/input/ads7846.c | 186 ------------------------------------------- hw/input/Kconfig | 3 - hw/input/meson.build | 1 - 4 files changed, 191 deletions(-) delete mode 100644 hw/input/ads7846.c diff --git a/MAINTAINERS b/MAINTAINERS index bcd84582099..4f00c7a3427 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -929,7 +929,6 @@ F: hw/*/pxa2xx* F: hw/display/tc6393xb.c F: hw/gpio/max7310.c F: hw/gpio/zaurus.c -F: hw/input/ads7846.c F: hw/misc/mst_fpga.c F: hw/adc/max111x.c F: include/hw/adc/max111x.h diff --git a/hw/input/ads7846.c b/hw/input/ads7846.c deleted file mode 100644 index cde38922165..00000000000 --- a/hw/input/ads7846.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * TI ADS7846 / TSC2046 chip emulation. - * - * Copyright (c) 2006 Openedhand Ltd. - * Written by Andrzej Zaborowski - * - * This code is licensed under the GNU GPL v2. - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ - -#include "qemu/osdep.h" -#include "hw/irq.h" -#include "hw/ssi/ssi.h" -#include "migration/vmstate.h" -#include "qemu/module.h" -#include "ui/console.h" -#include "qom/object.h" - -struct ADS7846State { - SSIPeripheral ssidev; - qemu_irq interrupt; - - int input[8]; - int pressure; - int noise; - - int cycle; - int output; -}; - -#define TYPE_ADS7846 "ads7846" -OBJECT_DECLARE_SIMPLE_TYPE(ADS7846State, ADS7846) - -/* Control-byte bitfields */ -#define CB_PD0 (1 << 0) -#define CB_PD1 (1 << 1) -#define CB_SER (1 << 2) -#define CB_MODE (1 << 3) -#define CB_A0 (1 << 4) -#define CB_A1 (1 << 5) -#define CB_A2 (1 << 6) -#define CB_START (1 << 7) - -#define X_AXIS_DMAX 3470 -#define X_AXIS_MIN 290 -#define Y_AXIS_DMAX 3450 -#define Y_AXIS_MIN 200 - -#define ADS_VBAT 2000 -#define ADS_VAUX 2000 -#define ADS_TEMP0 2000 -#define ADS_TEMP1 3000 -#define ADS_XPOS(x, y) (X_AXIS_MIN + ((X_AXIS_DMAX * (x)) >> 15)) -#define ADS_YPOS(x, y) (Y_AXIS_MIN + ((Y_AXIS_DMAX * (y)) >> 15)) -#define ADS_Z1POS(x, y) 600 -#define ADS_Z2POS(x, y) (600 + 6000 / ADS_XPOS(x, y)) - -static void ads7846_int_update(ADS7846State *s) -{ - if (s->interrupt) - qemu_set_irq(s->interrupt, s->pressure =3D=3D 0); -} - -static uint32_t ads7846_transfer(SSIPeripheral *dev, uint32_t value) -{ - ADS7846State *s =3D ADS7846(dev); - - switch (s->cycle ++) { - case 0: - if (!(value & CB_START)) { - s->cycle =3D 0; - break; - } - - s->output =3D s->input[(value >> 4) & 7]; - - /* Imitate the ADC noise, some drivers expect this. */ - s->noise =3D (s->noise + 3) & 7; - switch ((value >> 4) & 7) { - case 1: s->output +=3D s->noise ^ 2; break; - case 3: s->output +=3D s->noise ^ 0; break; - case 4: s->output +=3D s->noise ^ 7; break; - case 5: s->output +=3D s->noise ^ 5; break; - } - - if (value & CB_MODE) - s->output >>=3D 4; /* 8 bits instead of 12 */ - - break; - case 1: - s->cycle =3D 0; - break; - } - return s->output; -} - -static void ads7846_ts_event(void *opaque, - int x, int y, int z, int buttons_state) -{ - ADS7846State *s =3D opaque; - - if (buttons_state) { - x =3D 0x7fff - x; - s->input[1] =3D ADS_XPOS(x, y); - s->input[3] =3D ADS_Z1POS(x, y); - s->input[4] =3D ADS_Z2POS(x, y); - s->input[5] =3D ADS_YPOS(x, y); - } - - if (s->pressure =3D=3D !buttons_state) { - s->pressure =3D !!buttons_state; - - ads7846_int_update(s); - } -} - -static int ads7856_post_load(void *opaque, int version_id) -{ - ADS7846State *s =3D opaque; - - s->pressure =3D 0; - ads7846_int_update(s); - return 0; -} - -static const VMStateDescription vmstate_ads7846 =3D { - .name =3D "ads7846", - .version_id =3D 1, - .minimum_version_id =3D 1, - .post_load =3D ads7856_post_load, - .fields =3D (const VMStateField[]) { - VMSTATE_SSI_PERIPHERAL(ssidev, ADS7846State), - VMSTATE_INT32_ARRAY(input, ADS7846State, 8), - VMSTATE_INT32(noise, ADS7846State), - VMSTATE_INT32(cycle, ADS7846State), - VMSTATE_INT32(output, ADS7846State), - VMSTATE_END_OF_LIST() - } -}; - -static void ads7846_realize(SSIPeripheral *d, Error **errp) -{ - DeviceState *dev =3D DEVICE(d); - ADS7846State *s =3D ADS7846(d); - - qdev_init_gpio_out(dev, &s->interrupt, 1); - - s->input[0] =3D ADS_TEMP0; /* TEMP0 */ - s->input[2] =3D ADS_VBAT; /* VBAT */ - s->input[6] =3D ADS_VAUX; /* VAUX */ - s->input[7] =3D ADS_TEMP1; /* TEMP1 */ - - /* We want absolute coordinates */ - qemu_add_mouse_event_handler(ads7846_ts_event, s, 1, - "QEMU ADS7846-driven Touchscreen"); - - ads7846_int_update(s); - - vmstate_register_any(NULL, &vmstate_ads7846, s); -} - -static void ads7846_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc =3D DEVICE_CLASS(klass); - SSIPeripheralClass *k =3D SSI_PERIPHERAL_CLASS(klass); - - k->realize =3D ads7846_realize; - k->transfer =3D ads7846_transfer; - set_bit(DEVICE_CATEGORY_INPUT, dc->categories); -} - -static const TypeInfo ads7846_info =3D { - .name =3D TYPE_ADS7846, - .parent =3D TYPE_SSI_PERIPHERAL, - .instance_size =3D sizeof(ADS7846State), - .class_init =3D ads7846_class_init, -}; - -static void ads7846_register_types(void) -{ - type_register_static(&ads7846_info); -} - -type_init(ads7846_register_types) diff --git a/hw/input/Kconfig b/hw/input/Kconfig index f86e98c8293..acfdba5c4ca 100644 --- a/hw/input/Kconfig +++ b/hw/input/Kconfig @@ -1,9 +1,6 @@ config ADB bool =20 -config ADS7846 - bool - config LM832X bool depends on I2C diff --git a/hw/input/meson.build b/hw/input/meson.build index 3cc8ab85f0c..07a28c2c01c 100644 --- a/hw/input/meson.build +++ b/hw/input/meson.build @@ -1,6 +1,5 @@ system_ss.add(files('hid.c')) system_ss.add(when: 'CONFIG_ADB', if_true: files('adb.c', 'adb-mouse.c', '= adb-kbd.c')) -system_ss.add(when: 'CONFIG_ADS7846', if_true: files('ads7846.c')) system_ss.add(when: 'CONFIG_LM832X', if_true: files('lm832x.c')) system_ss.add(when: 'CONFIG_PCKBD', if_true: files('pckbd.c')) system_ss.add(when: 'CONFIG_PL050', if_true: files('pl050.c')) --=20 2.34.1