drivers: input: joystick: Add PSX (Play Station 1/2) pad with SPI driver.

Message ID	20170425074159.8533-1-typesylph@gmail.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-input-owner@kernel.org> From: AZO <typesylph@gmail.com> To: dmitry.torokhov@gmail.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, typesylph@gmail.com Subject: [PATCH] drivers: input: joystick: Add PSX (Play Station 1/2) pad with SPI driver. Date: Tue, 25 Apr 2017 16:41:59 +0900 Message-Id: <20170425074159.8533-1-typesylph@gmail.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig index 4215b538..ce83e623 100644 --- a/drivers/input/joystick/Kconfig +++ b/drivers/input/joystick/Kconfig @@ -330,4 +330,28 @@ config JOYSTICK_MAPLE To compile this as a module choose M here: the module will be called maplecontrol. +config JOYSTICK_RPISENSE + tristate "Raspberry Pi Sense HAT joystick" + depends on GPIOLIB && INPUT + select MFD_RPISENSE_CORE + + help + This is the joystick driver for the Raspberry Pi Sense HAT + +config JOYSTICK_PSXPAD_SPI + tristate "PSX (Play Station 1/2) pad with SPI Bus Driver" + depends on INPUT_POLLDEV && SPI + help + Say Y here if you connect PSX (PS1/2) pad with SPI Interface. + + To compile this driver as a module, choose M here: the + module will be called psxpad-spi. + +config JOYSTICK_PSXPAD_SPI_FF + bool "PSX pad with SPI Bus rumble support" + depends on JOYSTICK_PSXPAD_SPI && INPUT + select INPUT_FF_MEMLESS + help + Say Y here if you want to take advantage of PSX pad rumble features. + endif diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile index 92dc0de9..47ee4495 100644 --- a/drivers/input/joystick/Makefile +++ b/drivers/input/joystick/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_JOYSTICK_INTERACT) += interact.o obj-$(CONFIG_JOYSTICK_JOYDUMP) += joydump.o obj-$(CONFIG_JOYSTICK_MAGELLAN) += magellan.o obj-$(CONFIG_JOYSTICK_MAPLE) += maplecontrol.o +obj-$(CONFIG_JOYSTICK_PSXPAD_SPI) += psxpad-spi.o obj-$(CONFIG_JOYSTICK_SIDEWINDER) += sidewinder.o obj-$(CONFIG_JOYSTICK_SPACEBALL) += spaceball.o obj-$(CONFIG_JOYSTICK_SPACEORB) += spaceorb.o @@ -32,4 +33,5 @@ obj-$(CONFIG_JOYSTICK_WARRIOR) += warrior.o obj-$(CONFIG_JOYSTICK_XPAD) += xpad.o obj-$(CONFIG_JOYSTICK_ZHENHUA) += zhenhua.o obj-$(CONFIG_JOYSTICK_WALKERA0701) += walkera0701.o +obj-$(CONFIG_JOYSTICK_RPISENSE) += rpisense-js.o diff --git a/drivers/input/joystick/psxpad-spi.c b/drivers/input/joystick/psxpad-spi.c new file mode 100644 index 00000000..5a4e3414 --- /dev/null +++ b/drivers/input/joystick/psxpad-spi.c @@ -0,0 +1,671 @@ +/* + * PSX (Play Station 1/2) pad (SPI Interface) + * + * Copyright (C) 2017 AZO <typesylph@gmail.com> + * Licensed under the GPL-2 or later. + * + * PSX pad plug (not socket) + * 123 456 789 + * (...|...|...) + * + * 1: DAT -> MISO (pullup with 1k owm to 3.3V) + * 2: CMD -> MOSI + * 3: 9V (for motor, if not use N.C.) + * 4: GND + * 5: 3.3V + * 6: Attention -> CS(SS) + * 7: SCK -> SCK + * 8: N.C. + * 9: ACK -> N.C. + */ + +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/input.h> +#include <linux/input-polldev.h> +#include <linux/module.h> +#include <linux/spi/spi.h> +#include <linux/types.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> + +//#define PSXPAD_ENABLE_ANALOG2 +#ifdef CONFIG_JOYSTICK_PSXPAD_SPI_FF +#define PSXPAD_ENABLE_FF +#endif /* CONFIG_JOYSTICK_PSXPAD_SPI_FF */ + +enum { + PSXPAD_SPI_SPEED_125KHZ = 0, + PSXPAD_SPI_SPEED_250KHZ, + PSXPAD_SPI_SPEED_500KHZ, + PSXPAD_SPI_SPEED_UNKNOWN +}; + +#define PSXPAD_DEFAULT_SPI_DELAY 100 +#define PSXPAD_DEFAULT_SPI_SPEED PSXPAD_SPI_SPEED_125KHZ +#define PSXPAD_DEFAULT_INTERVAL 16 +#define PSXPAD_DEFAULT_INTERVAL_MIN 8 +#define PSXPAD_DEFAULT_INTERVAL_MAX 32 +#define PSXPAD_DEFAULT_ADMODE true +#define PSXPAD_DEFAULT_INPUT_PHYSIZE 32 + +#define REVERSE_BIT(x) ((((x) & 0x80) >> 7) | (((x) & 0x40) >> 5) | (((x) & 0x20) >> 3) | (((x) & 0x10) >> 1) | (((x) & 0x08) << 1) | (((x) & 0x04) << 3) | (((x) & 0x02) << 5) | (((x) & 0x01) << 7)) + +enum { + PSXPAD_KEYSTATE_TYPE_DIGITAL = 0, + PSXPAD_KEYSTATE_TYPE_ANALOG1, + PSXPAD_KEYSTATE_TYPE_ANALOG2, + PSXPAD_KEYSTATE_TYPE_UNKNOWN +}; + +static const u8 PSX_CMD_INIT_PRESSURE[] = {0x01, 0x40, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00}; +static const u8 PSX_CMD_ALL_PRESSURE[] = {0x01, 0x4F, 0x00, 0xFF, 0xFF, 0x03, 0x00, 0x00, 0x00}; +static const u8 PSX_CMD_POLL[] = {0x01, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; +static const u8 PSX_CMD_ENTER_CFG[] = {0x01, 0x43, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}; +static const u8 PSX_CMD_EXIT_CFG[] = {0x01, 0x43, 0x00, 0x00, 0x5A, 0x5A, 0x5A, 0x5A, 0x5A}; +static const u8 PSX_CMD_ENABLE_MOTOR[] = {0x01, 0x4D, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; +static const u8 PSX_CMD_AD_MODE[] = {0x01, 0x44, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}; + +struct psxpad_keystate { + int type; + /* PSXPAD_KEYSTATE_TYPE_DIGITAL */ + bool select; + bool start; + bool up; + bool right; + bool down; + bool left; + bool l2; + bool r2; + bool l1; + bool r1; + bool triangle; + bool circle; + bool cross; + bool square; + /* PSXPAD_KEYSTATE_TYPE_ANALOG1 */ + u8 l3; + u8 r3; + u8 lx; + u8 ly; + u8 rx; + u8 ry; +#ifdef PSXPAD_ENABLE_ANALOG2 + /* PSXPAD_KEYSTATE_TYPE_ANALOG2 */ + u8 a_right; + u8 a_left; + u8 a_up; + u8 a_down; + u8 a_triangle; + u8 a_circle; + u8 a_cross; + u8 a_square; + u8 a_l1; + u8 a_r1; + u8 a_l2; + u8 a_r2; +#endif /* PSXPAD_ENABLE_ANALOG2 */ +}; + +struct psxpad { + struct spi_device *spi; + struct input_polled_dev *pdev; + struct input_dev *idev; + char phys[PSXPAD_DEFAULT_INPUT_PHYSIZE]; + u16 spi_delay; + bool analog_mode; + bool mode_lock; + bool motor1enable; + bool motor2enable; + u8 motor1level; + u8 motor2level; + + /* for suspend/resume */ + bool sus_analog_mode; + bool sus_mode_lock; + bool sus_motor1enable; + bool sus_motor2enable; + u8 sus_motor1level; + u8 sus_motor2level; + + u8 spi_speed; + u8 poolcmd[sizeof(PSX_CMD_POLL)]; + u8 response[sizeof(PSX_CMD_POLL)]; + u8 enablemotor[sizeof(PSX_CMD_ENABLE_MOTOR)]; + u8 admode[sizeof(PSX_CMD_AD_MODE)]; +}; + +static void psxpad_command(struct psxpad *pad, const u8 sendcmd[], u8 response[], const u8 sendcmdlen) +{ + struct spi_transfer *xfers; + struct spi_message msg; + u8 loc; + u8 sendbuf[0x40]; + + xfers = kzalloc(sizeof(struct spi_transfer), GFP_KERNEL); + if (!xfers) + return; + + spi_message_init(&msg); + + for (loc = 0; loc < sendcmdlen; loc++) + sendbuf[loc] = REVERSE_BIT(sendcmd[loc]); + + xfers->tx_buf = sendbuf; + xfers->rx_buf = response; + xfers->len = sendcmdlen; + xfers->bits_per_word = 8; + xfers->delay_usecs = pad->spi_delay; + switch (pad->spi_speed) { + case PSXPAD_SPI_SPEED_250KHZ: + xfers->speed_hz = 250000; + break; + case PSXPAD_SPI_SPEED_500KHZ: + xfers->speed_hz = 500000; + break; + default: + xfers->speed_hz = 125000; + break; + } + spi_sync_transfer(pad->spi, xfers, 1); + kfree(xfers); + + for (loc = 0; loc < sendcmdlen; loc++) + response[loc] = REVERSE_BIT(response[loc]); +} + +static void psxpad_setadmode(struct psxpad *pad, const bool analog_mode, const bool mode_lock) +{ + pad->analog_mode = analog_mode; + pad->mode_lock = mode_lock; + + pad->admode[3] = pad->analog_mode ? 0x01 : 0x00; + pad->admode[4] = pad->mode_lock ? 0x03 : 0x00; + + psxpad_command(pad, PSX_CMD_ENTER_CFG, pad->response, sizeof(PSX_CMD_ENTER_CFG)); + psxpad_command(pad, pad->admode, pad->response, sizeof(PSX_CMD_AD_MODE)); +#ifdef PSXPAD_ENABLE_ANALOG2 + psxpad_command(pad, PSX_CMD_INIT_PRESSURE, pad->response, sizeof(PSX_CMD_INIT_PRESSURE)); + psxpad_command(pad, PSX_CMD_ALL_PRESSURE, pad->response, sizeof(PSX_CMD_ALL_PRESSURE)); +#endif /* PSXPAD_ENABLE_ANALOG2 */ + psxpad_command(pad, PSX_CMD_EXIT_CFG, pad->response, sizeof(PSX_CMD_EXIT_CFG)); +} + +#ifdef PSXPAD_ENABLE_FF +static void psxpad_setenablemotor(struct psxpad *pad, const bool motor1enable, const bool motor2enable) +{ + pad->motor1enable = motor1enable; + pad->motor2enable = motor2enable; + + pad->enablemotor[3] = pad->motor1enable ? 0x00 : 0xFF; + pad->enablemotor[4] = pad->motor2enable ? 0x01 : 0xFF; + + psxpad_command(pad, PSX_CMD_ENTER_CFG, pad->response, sizeof(PSX_CMD_ENTER_CFG)); + psxpad_command(pad, pad->enablemotor, pad->response, sizeof(PSX_CMD_ENABLE_MOTOR)); + psxpad_command(pad, PSX_CMD_EXIT_CFG, pad->response, sizeof(PSX_CMD_EXIT_CFG)); +} + +static void psxpad_setmotorlevel(struct psxpad *pad, const u8 motor1level, const u8 motor2level) +{ + pad->motor1level = motor1level ? 0xFF : 0x00; + pad->motor2level = motor2level; + + pad->poolcmd[3] = pad->motor1level; + pad->poolcmd[4] = pad->motor2level; +} +#else /* PSXPAD_ENABLE_FF */ +static void psxpad_setenablemotor(struct psxpad *pad, const bool motor1enable, const bool motor2enable) { } + +static void psxpad_setmotorlevel(struct psxpad *pad, const u8 motor1level, const u8 motor2level) { } +#endif /* PSXPAD_ENABLE_FF */ + +static void psxpad_getkeystate(struct psxpad *pad, struct psxpad_keystate *keystate) +{ + keystate->type = PSXPAD_KEYSTATE_TYPE_UNKNOWN; +#ifdef PSXPAD_ENABLE_ANALOG2 + keystate->a_right = 0; + keystate->a_left = 0; + keystate->a_up = 0; + keystate->a_down = 0; + keystate->a_triangle = 0; + keystate->a_circle = 0; + keystate->a_cross = 0; + keystate->a_square = 0; + keystate->a_l1 = 0; + keystate->a_r1 = 0; + keystate->a_l2 = 0; + keystate->a_r2 = 0; +#endif /* PSXPAD_ENABLE_ANALOG2 */ + keystate->rx = 0x80; + keystate->ry = 0x80; + keystate->lx = 0x80; + keystate->ly = 0x80; + keystate->l3 = false; + keystate->r3 = false; + keystate->select = false; + keystate->start = false; + keystate->up = false; + keystate->right = false; + keystate->down = false; + keystate->left = false; + keystate->l2 = false; + keystate->r2 = false; + keystate->l1 = false; + keystate->r1 = false; + keystate->triangle = false; + keystate->circle = false; + keystate->cross = false; + keystate->square = false; + + switch (pad->response[1]) { +#ifdef PSXPAD_ENABLE_ANALOG2 + case 0x79: + keystate->type = PSXPAD_KEYSTATE_TYPE_ANALOG2; + keystate->a_right = pad->response[9]; + keystate->a_left = pad->response[10]; + keystate->a_up = pad->response[11]; + keystate->a_down = pad->response[12]; + keystate->a_triangle = pad->response[13]; + keystate->a_circle = pad->response[14]; + keystate->a_cross = pad->response[15]; + keystate->a_square = pad->response[16]; + keystate->a_l1 = pad->response[17]; + keystate->a_r1 = pad->response[18]; + keystate->a_l2 = pad->response[19]; + keystate->a_r2 = pad->response[20]; +#endif /* PSXPAD_ENABLE_ANALOG2 */ + case 0x73: + if (keystate->type == PSXPAD_KEYSTATE_TYPE_UNKNOWN) + keystate->type = PSXPAD_KEYSTATE_TYPE_ANALOG1; + keystate->rx = pad->response[5]; + keystate->ry = pad->response[6]; + keystate->lx = pad->response[7]; + keystate->ly = pad->response[8]; + keystate->l3 = (pad->response[3] & 0x02U) ? false : true; + keystate->r3 = (pad->response[3] & 0x04U) ? false : true; + case 0x41: + if (keystate->type == PSXPAD_KEYSTATE_TYPE_UNKNOWN) + keystate->type = PSXPAD_KEYSTATE_TYPE_DIGITAL; + keystate->select = (pad->response[3] & 0x01U) ? false : true; + keystate->start = (pad->response[3] & 0x08U) ? false : true; + keystate->up = (pad->response[3] & 0x10U) ? false : true; + keystate->right = (pad->response[3] & 0x20U) ? false : true; + keystate->down = (pad->response[3] & 0x40U) ? false : true; + keystate->left = (pad->response[3] & 0x80U) ? false : true; + keystate->l2 = (pad->response[4] & 0x01U) ? false : true; + keystate->r2 = (pad->response[4] & 0x02U) ? false : true; + keystate->l1 = (pad->response[4] & 0x04U) ? false : true; + keystate->r1 = (pad->response[4] & 0x08U) ? false : true; + keystate->triangle = (pad->response[4] & 0x10U) ? false : true; + keystate->circle = (pad->response[4] & 0x20U) ? false : true; + keystate->cross = (pad->response[4] & 0x40U) ? false : true; + keystate->square = (pad->response[4] & 0x80U) ? false : true; + } +} + +static void psxpad_spi_poll_open(struct input_polled_dev *pdev) +{ + struct psxpad *pad = pdev->private; + + pm_runtime_get_sync(&pad->spi->dev); +} + +static void psxpad_spi_poll_close(struct input_polled_dev *pdev) +{ + struct psxpad *pad = pdev->private; + + pm_runtime_put_sync(&pad->spi->dev); +} + +static void psxpad_spi_poll(struct input_polled_dev *pdev) +{ + struct psxpad *pad = pdev->private; + struct psxpad_keystate keystate; + + psxpad_command(pad, pad->poolcmd, pad->response, sizeof(PSX_CMD_POLL)); + psxpad_getkeystate(pad, &keystate); + psxpad_setenablemotor(pad, true, true); + + switch (keystate.type) { +#ifdef PSXPAD_ENABLE_ANALOG2 + case PSXPAD_KEYSTATE_TYPE_ANALOG2: + input_report_abs(pad->idev, ABS_HAT0Y, keystate.a_up); + input_report_abs(pad->idev, ABS_HAT1Y, keystate.a_down); + input_report_abs(pad->idev, ABS_HAT0X, keystate.a_left); + input_report_abs(pad->idev, ABS_HAT1X, keystate.a_right); + input_report_abs(pad->idev, ABS_MISC, keystate.a_triangle); + input_report_abs(pad->idev, ABS_PRESSURE, keystate.a_circle); + input_report_abs(pad->idev, ABS_BRAKE, keystate.a_cross); + input_report_abs(pad->idev, ABS_THROTTLE, keystate.a_square); + input_report_abs(pad->idev, ABS_HAT2X, keystate.a_l1); + input_report_abs(pad->idev, ABS_HAT3X, keystate.a_r1); + input_report_abs(pad->idev, ABS_HAT2Y, keystate.a_l2); + input_report_abs(pad->idev, ABS_HAT3Y, keystate.a_r2); + input_report_abs(pad->idev, ABS_X, keystate.lx); + input_report_abs(pad->idev, ABS_Y, keystate.ly); + input_report_abs(pad->idev, ABS_RX, keystate.rx); + input_report_abs(pad->idev, ABS_RY, keystate.ry); + input_report_key(pad->idev, BTN_DPAD_UP, false); + input_report_key(pad->idev, BTN_DPAD_DOWN, false); + input_report_key(pad->idev, BTN_DPAD_LEFT, false); + input_report_key(pad->idev, BTN_DPAD_RIGHT, false); + input_report_key(pad->idev, BTN_X, false); + input_report_key(pad->idev, BTN_A, false); + input_report_key(pad->idev, BTN_B, false); + input_report_key(pad->idev, BTN_Y, false); + input_report_key(pad->idev, BTN_TL, false); + input_report_key(pad->idev, BTN_TR, false); + input_report_key(pad->idev, BTN_TL2, false); + input_report_key(pad->idev, BTN_TR2, false); + input_report_key(pad->idev, BTN_THUMBL, keystate.l3); + input_report_key(pad->idev, BTN_THUMBR, keystate.r3); + input_report_key(pad->idev, BTN_SELECT, keystate.select); + input_report_key(pad->idev, BTN_START, keystate.start); + break; +#endif /* PSXPAD_ENABLE_ANALOG2 */ + + case PSXPAD_KEYSTATE_TYPE_ANALOG1: +#ifdef PSXPAD_ENABLE_ANALOG2 + input_report_abs(pad->idev, ABS_HAT0Y, 0); + input_report_abs(pad->idev, ABS_HAT1Y, 0); + input_report_abs(pad->idev, ABS_HAT0X, 0); + input_report_abs(pad->idev, ABS_HAT1X, 0); + input_report_abs(pad->idev, ABS_MISC, 0); + input_report_abs(pad->idev, ABS_PRESSURE, 0); + input_report_abs(pad->idev, ABS_BRAKE, 0); + input_report_abs(pad->idev, ABS_THROTTLE, 0); + input_report_abs(pad->idev, ABS_HAT2X, 0); + input_report_abs(pad->idev, ABS_HAT3X, 0); + input_report_abs(pad->idev, ABS_HAT2Y, 0); + input_report_abs(pad->idev, ABS_HAT3Y, 0); +#endif /* PSXPAD_ENABLE_ANALOG2 */ + input_report_abs(pad->idev, ABS_X, keystate.lx); + input_report_abs(pad->idev, ABS_Y, keystate.ly); + input_report_abs(pad->idev, ABS_RX, keystate.rx); + input_report_abs(pad->idev, ABS_RY, keystate.ry); + input_report_key(pad->idev, BTN_DPAD_UP, keystate.up); + input_report_key(pad->idev, BTN_DPAD_DOWN, keystate.down); + input_report_key(pad->idev, BTN_DPAD_LEFT, keystate.left); + input_report_key(pad->idev, BTN_DPAD_RIGHT, keystate.right); + input_report_key(pad->idev, BTN_X, keystate.triangle); + input_report_key(pad->idev, BTN_A, keystate.circle); + input_report_key(pad->idev, BTN_B, keystate.cross); + input_report_key(pad->idev, BTN_Y, keystate.square); + input_report_key(pad->idev, BTN_TL, keystate.l1); + input_report_key(pad->idev, BTN_TR, keystate.r1); + input_report_key(pad->idev, BTN_TL2, keystate.l2); + input_report_key(pad->idev, BTN_TR2, keystate.r2); + input_report_key(pad->idev, BTN_THUMBL, keystate.l3); + input_report_key(pad->idev, BTN_THUMBR, keystate.r3); + input_report_key(pad->idev, BTN_SELECT, keystate.select); + input_report_key(pad->idev, BTN_START, keystate.start); + break; + + case PSXPAD_KEYSTATE_TYPE_DIGITAL: +#ifdef PSXPAD_ENABLE_ANALOG2 + input_report_abs(pad->idev, ABS_HAT0Y, 0); + input_report_abs(pad->idev, ABS_HAT1Y, 0); + input_report_abs(pad->idev, ABS_HAT0X, 0); + input_report_abs(pad->idev, ABS_HAT1X, 0); + input_report_abs(pad->idev, ABS_MISC, 0); + input_report_abs(pad->idev, ABS_PRESSURE, 0); + input_report_abs(pad->idev, ABS_BRAKE, 0); + input_report_abs(pad->idev, ABS_THROTTLE, 0); + input_report_abs(pad->idev, ABS_HAT2X, 0); + input_report_abs(pad->idev, ABS_HAT3X, 0); + input_report_abs(pad->idev, ABS_HAT2Y, 0); + input_report_abs(pad->idev, ABS_HAT3Y, 0); +#endif /* PSXPAD_ENABLE_ANALOG2 */ + input_report_abs(pad->idev, ABS_X, 0x80); + input_report_abs(pad->idev, ABS_Y, 0x80); + input_report_abs(pad->idev, ABS_RX, 0x80); + input_report_abs(pad->idev, ABS_RY, 0x80); + input_report_key(pad->idev, BTN_DPAD_UP, keystate.up); + input_report_key(pad->idev, BTN_DPAD_DOWN, keystate.down); + input_report_key(pad->idev, BTN_DPAD_LEFT, keystate.left); + input_report_key(pad->idev, BTN_DPAD_RIGHT, keystate.right); + input_report_key(pad->idev, BTN_X, keystate.triangle); + input_report_key(pad->idev, BTN_A, keystate.circle); + input_report_key(pad->idev, BTN_B, keystate.cross); + input_report_key(pad->idev, BTN_Y, keystate.square); + input_report_key(pad->idev, BTN_TL, keystate.l1); + input_report_key(pad->idev, BTN_TR, keystate.r1); + input_report_key(pad->idev, BTN_TL2, keystate.l2); + input_report_key(pad->idev, BTN_TR2, keystate.r2); + input_report_key(pad->idev, BTN_THUMBL, false); + input_report_key(pad->idev, BTN_THUMBR, false); + input_report_key(pad->idev, BTN_SELECT, keystate.select); + input_report_key(pad->idev, BTN_START, keystate.start); + break; + } + + input_sync(pad->idev); +} + +#ifdef PSXPAD_ENABLE_FF +static int psxpad_spi_ff(struct input_dev *idev, void *data, struct ff_effect *effect) +{ + struct psxpad *pad = idev->dev.platform_data; + + switch (effect->type) { + case FF_RUMBLE: + psxpad_setmotorlevel(pad, (effect->u.rumble.weak_magnitude >> 8) & 0xFFU, (effect->u.rumble.strong_magnitude >> 8) & 0xFFU); + break; + } + + return 0; +} + +static int psxpad_spi_init_ff(struct psxpad *pad) +{ + int err; + + input_set_capability(pad->idev, EV_FF, FF_RUMBLE); + err = input_ff_create_memless(pad->idev, NULL, psxpad_spi_ff); + if (err) { + pr_err("psxpad-spi: ff alloc failed!!\n"); + err = -ENOMEM; + } + + return err; +} + +static void psxpad_spi_deinit_ff(struct psxpad *pad) +{ + input_ff_destroy(pad->idev); +} +#else /* PSXPAD_ENABLE_FF */ +static inline int psxpad_spi_init_ff(struct psxpad *pad) +{ + return 0; +} + +static void psxpad_spi_deinit_ff(struct psxpad *pad) { } +#endif /* PSXPAD_ENABLE_FF */ + +static int psxpad_spi_probe(struct spi_device *spi) +{ + struct psxpad *pad = NULL; + struct input_polled_dev *pdev = NULL; + struct input_dev *idev; + int err, i; + + pad = devm_kzalloc(&spi->dev, sizeof(struct psxpad), GFP_KERNEL); + pdev = input_allocate_polled_device(); + if (!pad || !pdev) { + pr_err("psxpad-spi: alloc failed!!\n"); + err = -ENOMEM; + goto err_free_mem; + } + pdev->input->ff = NULL; + for (i = 0; i < sizeof(PSX_CMD_POLL); i++) + pad->poolcmd[i] = PSX_CMD_POLL[i]; + for (i = 0; i < sizeof(PSX_CMD_ENABLE_MOTOR); i++) + pad->enablemotor[i] = PSX_CMD_ENABLE_MOTOR[i]; + for (i = 0; i < sizeof(PSX_CMD_AD_MODE); i++) + pad->admode[i] = PSX_CMD_AD_MODE[i]; + pad->spi_delay = PSXPAD_DEFAULT_SPI_DELAY; + pad->spi_speed = PSXPAD_DEFAULT_SPI_SPEED; + + /* input pool device settings */ + pad->pdev = pdev; + pad->spi = spi; + pdev->private = pad; + pdev->open = psxpad_spi_poll_open; + pdev->close = psxpad_spi_poll_close; + pdev->poll = psxpad_spi_poll; + pdev->poll_interval = PSXPAD_DEFAULT_INTERVAL; + pdev->poll_interval_min = PSXPAD_DEFAULT_INTERVAL_MIN; + pdev->poll_interval_max = PSXPAD_DEFAULT_INTERVAL_MAX; + + /* input device settings */ + idev = pdev->input; + pad->idev = idev; + idev->name = "PSX(PS1/2) pad"; + snprintf(pad->phys, PSXPAD_DEFAULT_INPUT_PHYSIZE, "%s/input", dev_name(&spi->dev)); + idev->id.bustype = BUS_SPI; + idev->dev.parent = &spi->dev; + idev->dev.platform_data = pad; + + /* key/value map settings */ + __set_bit(EV_ABS, idev->evbit); + input_set_abs_params(idev, ABS_X, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_Y, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_RX, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_RY, 0, 255, 0, 0); +#ifdef PSXPAD_ENABLE_ANALOG2 + input_set_abs_params(idev, ABS_HAT0Y, 0, 255, 0, 0); /* up */ + input_set_abs_params(idev, ABS_HAT1Y, 0, 255, 0, 0); /* down */ + input_set_abs_params(idev, ABS_HAT0X, 0, 255, 0, 0); /* left */ + input_set_abs_params(idev, ABS_HAT1X, 0, 255, 0, 0); /* right */ + input_set_abs_params(idev, ABS_MISC, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_PRESSURE, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_BRAKE, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_THROTTLE, 0, 255, 0, 0); + input_set_abs_params(idev, ABS_HAT2X, 0, 255, 0, 0); /* L1 */ + input_set_abs_params(idev, ABS_HAT3X, 0, 255, 0, 0); /* R1 */ + input_set_abs_params(idev, ABS_HAT2Y, 0, 255, 0, 0); /* L2 */ + input_set_abs_params(idev, ABS_HAT3Y, 0, 255, 0, 0); /* R2 */ +#endif /* PSXPAD_ENABLE_ANALOG2 */ + __set_bit(EV_KEY, idev->evbit); + __set_bit(BTN_DPAD_UP, idev->keybit); + __set_bit(BTN_DPAD_DOWN, idev->keybit); + __set_bit(BTN_DPAD_LEFT, idev->keybit); + __set_bit(BTN_DPAD_RIGHT, idev->keybit); + __set_bit(BTN_A, idev->keybit); + __set_bit(BTN_B, idev->keybit); + __set_bit(BTN_X, idev->keybit); + __set_bit(BTN_Y, idev->keybit); + __set_bit(BTN_TL, idev->keybit); + __set_bit(BTN_TR, idev->keybit); + __set_bit(BTN_TL2, idev->keybit); + __set_bit(BTN_TR2, idev->keybit); + __set_bit(BTN_THUMBL, idev->keybit); + __set_bit(BTN_THUMBR, idev->keybit); + __set_bit(BTN_SELECT, idev->keybit); + __set_bit(BTN_START, idev->keybit); + + /* force feedback */ + err = psxpad_spi_init_ff(pad); + if (err) { + err = -ENOMEM; + goto err_free_mem; + } + + /* SPI settings */ + spi->mode = SPI_MODE_3; + spi->bits_per_word = 8; + spi_setup(spi); + + /* pad settings */ + psxpad_setmotorlevel(pad, 0, 0); + + /* register input pool device */ + err = input_register_polled_device(pdev); + if (err) { + pr_err("psxpad-spi: failed register!!\n"); + input_free_polled_device(pdev); + goto err_free_mem; + } + + pm_runtime_enable(&spi->dev); + + return 0; + + err_free_mem: + if (pdev) { + psxpad_spi_deinit_ff(pad); + input_free_polled_device(pdev); + } + devm_kfree(&spi->dev, pad); + + return err; +} + + +static int psxpad_spi_remove(struct spi_device *spi) +{ + struct psxpad *pad = spi_get_drvdata(spi); + + psxpad_spi_deinit_ff(pad); + input_free_polled_device(pad->pdev); + devm_kfree(&spi->dev, pad); + + return 0; +} + +static int __maybe_unused psxpad_spi_suspend(struct device *dev) +{ + struct spi_device *spi = to_spi_device(dev); + struct psxpad *pad = spi_get_drvdata(spi); + + pad->sus_analog_mode = pad->analog_mode; + pad->sus_mode_lock = pad->mode_lock; + pad->sus_motor1enable = pad->motor1enable; + pad->sus_motor2enable = pad->motor2enable; + pad->sus_motor1level = pad->motor1level; + pad->sus_motor2level = pad->motor2level; + + psxpad_setadmode(pad, false, false); + psxpad_setmotorlevel(pad, 0, 0); + psxpad_setenablemotor(pad, false, false); + + return 0; +} + +static int __maybe_unused psxpad_spi_resume(struct device *dev) +{ + struct spi_device *spi = to_spi_device(dev); + struct psxpad *pad = spi_get_drvdata(spi); + + spi->mode = SPI_MODE_3; + psxpad_setadmode(pad, pad->sus_analog_mode, pad->sus_mode_lock); + psxpad_setmotorlevel(pad, pad->sus_motor1enable, pad->sus_motor2enable); + psxpad_setenablemotor(pad, pad->sus_motor1level, pad->sus_motor2level); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(psxpad_spi_pm, psxpad_spi_suspend, psxpad_spi_resume); + +static const struct spi_device_id psxpad_spi_id[] = { + { "psxpad-spi", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, psxpad_spi_id); + +static struct spi_driver psxpad_spi_driver = { + .driver = { + .name = "psxpad-spi", + .pm = &psxpad_spi_pm, + }, + .id_table = psxpad_spi_id, + .probe = psxpad_spi_probe, + .remove = psxpad_spi_remove, +}; + +module_spi_driver(psxpad_spi_driver); + +MODULE_AUTHOR("AZO <typesylph@gmail.com>"); +MODULE_DESCRIPTION("PSX(Play Station 1/2) pad with SPI Bus Driver"); +MODULE_LICENSE("GPL");

drivers: input: joystick: Add PSX (Play Station 1/2) pad with SPI driver.

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