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Message-Id: <20170425144422.9179-1-typesylph@gmail.com>
Date: Tue, 25 Apr 2017 23:44:22 +0900
From: AZO <typesylph@...il.com>
To: dmitry.torokhov@...il.com
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
typesylph@...il.com
Subject: [PATCH] drivers: input: joystick: Add PSX (Play Station 1/2) pad with SPI driver.
PSX pads can be connected directry SPI bus.
Signed-off-by: AZO <typesylph@...il.com>
---
drivers/input/joystick/Kconfig | 16 +
drivers/input/joystick/Makefile | 1 +
drivers/input/joystick/psxpad-spi.c | 671 ++++++++++++++++++++++++++++++++++++
3 files changed, 688 insertions(+)
create mode 100644 drivers/input/joystick/psxpad-spi.c
diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
index 4215b538..f49645f7 100644
--- a/drivers/input/joystick/Kconfig
+++ b/drivers/input/joystick/Kconfig
@@ -330,4 +330,20 @@ config JOYSTICK_MAPLE
To compile this as a module choose M here: the module will be called
maplecontrol.
+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..496fd56b 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
diff --git a/drivers/input/joystick/psxpad-spi.c b/drivers/input/joystick/psxpad-spi.c
new file mode 100644
index 00000000..3d2bee6d
--- /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@...il.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@...il.com>");
+MODULE_DESCRIPTION("PSX (Play Station 1/2) pad with SPI Bus Driver");
+MODULE_LICENSE("GPL");
--
2.11.0
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