diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/joystick/iforce/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/Makefile | 7 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-ff.c | 18 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-main.c | 178 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-packets.c | 215 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-serio.c | 161 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-usb.c | 192 | ||||
| -rw-r--r-- | drivers/input/joystick/iforce/iforce.h | 55 |
8 files changed, 424 insertions, 410 deletions
diff --git a/drivers/input/joystick/iforce/Kconfig b/drivers/input/joystick/iforce/Kconfig index ab4dbcbcbf50..55f6ae1da6b0 100644 --- a/drivers/input/joystick/iforce/Kconfig +++ b/drivers/input/joystick/iforce/Kconfig @@ -13,15 +13,15 @@ config JOYSTICK_IFORCE module will be called iforce. config JOYSTICK_IFORCE_USB - bool "I-Force USB joysticks and wheels" - depends on JOYSTICK_IFORCE && (JOYSTICK_IFORCE=m || USB=y) && USB + tristate "I-Force USB joysticks and wheels" + depends on JOYSTICK_IFORCE && USB help Say Y here if you have an I-Force joystick or steering wheel connected to your USB port. config JOYSTICK_IFORCE_232 - bool "I-Force Serial joysticks and wheels" - depends on JOYSTICK_IFORCE && (JOYSTICK_IFORCE=m || SERIO=y) && SERIO + tristate "I-Force Serial joysticks and wheels" + depends on JOYSTICK_IFORCE && SERIO help Say Y here if you have an I-Force joystick or steering wheel connected to your serial (COM) port. diff --git a/drivers/input/joystick/iforce/Makefile b/drivers/input/joystick/iforce/Makefile index bc5bda22f15e..414075019a4f 100644 --- a/drivers/input/joystick/iforce/Makefile +++ b/drivers/input/joystick/iforce/Makefile @@ -4,8 +4,7 @@ # By Johann Deneux <johann.deneux@gmail.com> # -obj-$(CONFIG_JOYSTICK_IFORCE) += iforce.o - +obj-$(CONFIG_JOYSTICK_IFORCE) += iforce.o iforce-y := iforce-ff.o iforce-main.o iforce-packets.o -iforce-$(CONFIG_JOYSTICK_IFORCE_232) += iforce-serio.o -iforce-$(CONFIG_JOYSTICK_IFORCE_USB) += iforce-usb.o +obj-$(CONFIG_JOYSTICK_IFORCE_232) += iforce-serio.o +obj-$(CONFIG_JOYSTICK_IFORCE_USB) += iforce-usb.o diff --git a/drivers/input/joystick/iforce/iforce-ff.c b/drivers/input/joystick/iforce/iforce-ff.c index 3536d5f5ad18..56973dd97fd6 100644 --- a/drivers/input/joystick/iforce/iforce-ff.c +++ b/drivers/input/joystick/iforce/iforce-ff.c @@ -384,12 +384,12 @@ int iforce_upload_periodic(struct iforce *iforce, struct ff_effect *effect, stru } switch (effect->u.periodic.waveform) { - case FF_SQUARE: wave_code = 0x20; break; - case FF_TRIANGLE: wave_code = 0x21; break; - case FF_SINE: wave_code = 0x22; break; - case FF_SAW_UP: wave_code = 0x23; break; - case FF_SAW_DOWN: wave_code = 0x24; break; - default: wave_code = 0x20; break; + case FF_SQUARE: wave_code = 0x20; break; + case FF_TRIANGLE: wave_code = 0x21; break; + case FF_SINE: wave_code = 0x22; break; + case FF_SAW_UP: wave_code = 0x23; break; + case FF_SAW_DOWN: wave_code = 0x24; break; + default: wave_code = 0x20; break; } if (!old || need_core(old, effect)) { @@ -488,9 +488,9 @@ int iforce_upload_condition(struct iforce *iforce, struct ff_effect *effect, str int core_err = 0; switch (effect->type) { - case FF_SPRING: type = 0x40; break; - case FF_DAMPER: type = 0x41; break; - default: return -1; + case FF_SPRING: type = 0x40; break; + case FF_DAMPER: type = 0x41; break; + default: return -1; } if (!old || need_condition_modifier(iforce, old, effect)) { diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c index 58d5cfe46526..40eb65bfd57e 100644 --- a/drivers/input/joystick/iforce/iforce-main.c +++ b/drivers/input/joystick/iforce/iforce-main.c @@ -21,10 +21,11 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <asm/unaligned.h> #include "iforce.h" MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>"); -MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver"); +MODULE_DESCRIPTION("Core I-Force joysticks and wheels driver"); MODULE_LICENSE("GPL"); static signed short btn_joystick[] = @@ -67,6 +68,7 @@ static struct iforce_device iforce_device[] = { { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //? { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //? { 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, + { 0x06a3, 0xff04, "Saitek R440 Force Wheel", btn_wheel, abs_wheel, ff_iforce }, //? { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //? { 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback", btn_joystick, abs_joystick_rudder, ff_iforce }, { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //? @@ -132,22 +134,21 @@ static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, * Upload the effect */ switch (effect->type) { + case FF_PERIODIC: + ret = iforce_upload_periodic(iforce, effect, old); + break; - case FF_PERIODIC: - ret = iforce_upload_periodic(iforce, effect, old); - break; - - case FF_CONSTANT: - ret = iforce_upload_constant(iforce, effect, old); - break; + case FF_CONSTANT: + ret = iforce_upload_constant(iforce, effect, old); + break; - case FF_SPRING: - case FF_DAMPER: - ret = iforce_upload_condition(iforce, effect, old); - break; + case FF_SPRING: + case FF_DAMPER: + ret = iforce_upload_condition(iforce, effect, old); + break; - default: - return -EINVAL; + default: + return -EINVAL; } if (ret == 0) { @@ -185,15 +186,7 @@ static int iforce_open(struct input_dev *dev) { struct iforce *iforce = input_get_drvdata(dev); - switch (iforce->bus) { -#ifdef CONFIG_JOYSTICK_IFORCE_USB - case IFORCE_USB: - iforce->irq->dev = iforce->usbdev; - if (usb_submit_urb(iforce->irq, GFP_KERNEL)) - return -EIO; - break; -#endif - } + iforce->xport_ops->start_io(iforce); if (test_bit(EV_FF, dev->evbit)) { /* Enable force feedback */ @@ -226,27 +219,17 @@ static void iforce_close(struct input_dev *dev) !test_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)); } - switch (iforce->bus) { -#ifdef CONFIG_JOYSTICK_IFORCE_USB - case IFORCE_USB: - usb_kill_urb(iforce->irq); - usb_kill_urb(iforce->out); - usb_kill_urb(iforce->ctrl); - break; -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_232 - case IFORCE_232: - //TODO: Wait for the last packets to be sent - break; -#endif - } + iforce->xport_ops->stop_io(iforce); } -int iforce_init_device(struct iforce *iforce) +int iforce_init_device(struct device *parent, u16 bustype, + struct iforce *iforce) { struct input_dev *input_dev; struct ff_device *ff; - unsigned char c[] = "CEOV"; + u8 c[] = "CEOV"; + u8 buf[IFORCE_MAX_LENGTH]; + size_t len; int i, error; int ff_effects = 0; @@ -264,20 +247,8 @@ int iforce_init_device(struct iforce *iforce) * Input device fields. */ - switch (iforce->bus) { -#ifdef CONFIG_JOYSTICK_IFORCE_USB - case IFORCE_USB: - input_dev->id.bustype = BUS_USB; - input_dev->dev.parent = &iforce->usbdev->dev; - break; -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_232 - case IFORCE_232: - input_dev->id.bustype = BUS_RS232; - input_dev->dev.parent = &iforce->serio->dev; - break; -#endif - } + input_dev->id.bustype = bustype; + input_dev->dev.parent = parent; input_set_drvdata(input_dev, iforce); @@ -302,7 +273,7 @@ int iforce_init_device(struct iforce *iforce) */ for (i = 0; i < 20; i++) - if (!iforce_get_id_packet(iforce, "O")) + if (!iforce_get_id_packet(iforce, 'O', buf, &len)) break; if (i == 20) { /* 5 seconds */ @@ -316,23 +287,23 @@ int iforce_init_device(struct iforce *iforce) * Get device info. */ - if (!iforce_get_id_packet(iforce, "M")) - input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1]; + if (!iforce_get_id_packet(iforce, 'M', buf, &len) || len < 3) + input_dev->id.vendor = get_unaligned_le16(buf + 1); else dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n"); - if (!iforce_get_id_packet(iforce, "P")) - input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1]; + if (!iforce_get_id_packet(iforce, 'P', buf, &len) || len < 3) + input_dev->id.product = get_unaligned_le16(buf + 1); else dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n"); - if (!iforce_get_id_packet(iforce, "B")) - iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1]; + if (!iforce_get_id_packet(iforce, 'B', buf, &len) || len < 3) + iforce->device_memory.end = get_unaligned_le16(buf + 1); else dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n"); - if (!iforce_get_id_packet(iforce, "N")) - ff_effects = iforce->edata[1]; + if (!iforce_get_id_packet(iforce, 'N', buf, &len) || len < 2) + ff_effects = buf[1]; else dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n"); @@ -348,8 +319,9 @@ int iforce_init_device(struct iforce *iforce) */ for (i = 0; c[i]; i++) - if (!iforce_get_id_packet(iforce, c + i)) - iforce_dump_packet(iforce, "info", iforce->ecmd, iforce->edata); + if (!iforce_get_id_packet(iforce, c[i], buf, &len)) + iforce_dump_packet(iforce, "info", + (FF_CMD_QUERY & 0xff00) | len, buf); /* * Disable spring, enable force feedback. @@ -383,34 +355,29 @@ int iforce_init_device(struct iforce *iforce) signed short t = iforce->type->abs[i]; switch (t) { + case ABS_X: + case ABS_Y: + case ABS_WHEEL: + input_set_abs_params(input_dev, t, -1920, 1920, 16, 128); + set_bit(t, input_dev->ffbit); + break; - case ABS_X: - case ABS_Y: - case ABS_WHEEL: - - input_set_abs_params(input_dev, t, -1920, 1920, 16, 128); - set_bit(t, input_dev->ffbit); - break; - - case ABS_THROTTLE: - case ABS_GAS: - case ABS_BRAKE: - - input_set_abs_params(input_dev, t, 0, 255, 0, 0); - break; - - case ABS_RUDDER: - - input_set_abs_params(input_dev, t, -128, 127, 0, 0); - break; + case ABS_THROTTLE: + case ABS_GAS: + case ABS_BRAKE: + input_set_abs_params(input_dev, t, 0, 255, 0, 0); + break; - case ABS_HAT0X: - case ABS_HAT0Y: - case ABS_HAT1X: - case ABS_HAT1Y: + case ABS_RUDDER: + input_set_abs_params(input_dev, t, -128, 127, 0, 0); + break; - input_set_abs_params(input_dev, t, -1, 1, 0, 0); - break; + case ABS_HAT0X: + case ABS_HAT0Y: + case ABS_HAT1X: + case ABS_HAT1Y: + input_set_abs_params(input_dev, t, -1, 1, 0, 0); + break; } } @@ -443,35 +410,4 @@ int iforce_init_device(struct iforce *iforce) fail: input_free_device(input_dev); return error; } - -static int __init iforce_init(void) -{ - int err = 0; - -#ifdef CONFIG_JOYSTICK_IFORCE_USB - err = usb_register(&iforce_usb_driver); - if (err) - return err; -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_232 - err = serio_register_driver(&iforce_serio_drv); -#ifdef CONFIG_JOYSTICK_IFORCE_USB - if (err) - usb_deregister(&iforce_usb_driver); -#endif -#endif - return err; -} - -static void __exit iforce_exit(void) -{ -#ifdef CONFIG_JOYSTICK_IFORCE_USB - usb_deregister(&iforce_usb_driver); -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_232 - serio_unregister_driver(&iforce_serio_drv); -#endif -} - -module_init(iforce_init); -module_exit(iforce_exit); +EXPORT_SYMBOL(iforce_init_device); diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c index c10169f4554e..76c4475740ab 100644 --- a/drivers/input/joystick/iforce/iforce-packets.c +++ b/drivers/input/joystick/iforce/iforce-packets.c @@ -21,6 +21,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <asm/unaligned.h> #include "iforce.h" static struct { @@ -91,27 +92,12 @@ int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data) /* * If necessary, start the transmission */ - switch (iforce->bus) { + if (empty) + iforce->xport_ops->xmit(iforce); -#ifdef CONFIG_JOYSTICK_IFORCE_232 - case IFORCE_232: - if (empty) - iforce_serial_xmit(iforce); - break; -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_USB - case IFORCE_USB: - - if (iforce->usbdev && empty && - !test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) { - - iforce_usb_xmit(iforce); - } - break; -#endif - } return 0; } +EXPORT_SYMBOL(iforce_send_packet); /* Start or stop an effect */ int iforce_control_playback(struct iforce* iforce, u16 id, unsigned int value) @@ -145,157 +131,96 @@ static int mark_core_as_ready(struct iforce *iforce, unsigned short addr) return -1; } -void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data) +static void iforce_report_hats_buttons(struct iforce *iforce, u8 *data) { struct input_dev *dev = iforce->dev; int i; - static int being_used = 0; - if (being_used) - dev_warn(&iforce->dev->dev, - "re-entrant call to iforce_process %d\n", being_used); - being_used++; - -#ifdef CONFIG_JOYSTICK_IFORCE_232 - if (HI(iforce->expect_packet) == HI(cmd)) { - iforce->expect_packet = 0; - iforce->ecmd = cmd; - memcpy(iforce->edata, data, IFORCE_MAX_LENGTH); - } -#endif - wake_up(&iforce->wait); + input_report_abs(dev, ABS_HAT0X, iforce_hat_to_axis[data[6] >> 4].x); + input_report_abs(dev, ABS_HAT0Y, iforce_hat_to_axis[data[6] >> 4].y); - if (!iforce->type) { - being_used--; - return; - } - - switch (HI(cmd)) { - - case 0x01: /* joystick position data */ - case 0x03: /* wheel position data */ - if (HI(cmd) == 1) { - input_report_abs(dev, ABS_X, (__s16) (((__s16)data[1] << 8) | data[0])); - input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[3] << 8) | data[2])); - input_report_abs(dev, ABS_THROTTLE, 255 - data[4]); - if (LO(cmd) >= 8 && test_bit(ABS_RUDDER ,dev->absbit)) - input_report_abs(dev, ABS_RUDDER, (__s8)data[7]); - } else { - input_report_abs(dev, ABS_WHEEL, (__s16) (((__s16)data[1] << 8) | data[0])); - input_report_abs(dev, ABS_GAS, 255 - data[2]); - input_report_abs(dev, ABS_BRAKE, 255 - data[3]); - } + for (i = 0; iforce->type->btn[i] >= 0; i++) + input_report_key(dev, iforce->type->btn[i], + data[(i >> 3) + 5] & (1 << (i & 7))); - input_report_abs(dev, ABS_HAT0X, iforce_hat_to_axis[data[6] >> 4].x); - input_report_abs(dev, ABS_HAT0Y, iforce_hat_to_axis[data[6] >> 4].y); - - for (i = 0; iforce->type->btn[i] >= 0; i++) - input_report_key(dev, iforce->type->btn[i], data[(i >> 3) + 5] & (1 << (i & 7))); - - /* If there are untouched bits left, interpret them as the second hat */ - if (i <= 8) { - int btns = data[6]; - if (test_bit(ABS_HAT1X, dev->absbit)) { - if (btns & 8) input_report_abs(dev, ABS_HAT1X, -1); - else if (btns & 2) input_report_abs(dev, ABS_HAT1X, 1); - else input_report_abs(dev, ABS_HAT1X, 0); - } - if (test_bit(ABS_HAT1Y, dev->absbit)) { - if (btns & 1) input_report_abs(dev, ABS_HAT1Y, -1); - else if (btns & 4) input_report_abs(dev, ABS_HAT1Y, 1); - else input_report_abs(dev, ABS_HAT1Y, 0); - } - } + /* If there are untouched bits left, interpret them as the second hat */ + if (i <= 8) { + u8 btns = data[6]; - input_sync(dev); - - break; - - case 0x02: /* status report */ - input_report_key(dev, BTN_DEAD, data[0] & 0x02); - input_sync(dev); + if (test_bit(ABS_HAT1X, dev->absbit)) { + if (btns & BIT(3)) + input_report_abs(dev, ABS_HAT1X, -1); + else if (btns & BIT(1)) + input_report_abs(dev, ABS_HAT1X, 1); + else + input_report_abs(dev, ABS_HAT1X, 0); + } - /* Check if an effect was just started or stopped */ - i = data[1] & 0x7f; - if (data[1] & 0x80) { - if (!test_and_set_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) { - /* Report play event */ - input_report_ff_status(dev, i, FF_STATUS_PLAYING); - } - } else if (test_and_clear_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) { - /* Report stop event */ - input_report_ff_status(dev, i, FF_STATUS_STOPPED); - } - if (LO(cmd) > 3) { - int j; - for (j = 3; j < LO(cmd); j += 2) - mark_core_as_ready(iforce, data[j] | (data[j+1]<<8)); - } - break; + if (test_bit(ABS_HAT1Y, dev->absbit)) { + if (btns & BIT(0)) + input_report_abs(dev, ABS_HAT1Y, -1); + else if (btns & BIT(2)) + input_report_abs(dev, ABS_HAT1Y, 1); + else + input_report_abs(dev, ABS_HAT1Y, 0); + } } - being_used--; } -int iforce_get_id_packet(struct iforce *iforce, char *packet) +void iforce_process_packet(struct iforce *iforce, + u8 packet_id, u8 *data, size_t len) { - switch (iforce->bus) { + struct input_dev *dev = iforce->dev; + int i, j; - case IFORCE_USB: { -#ifdef CONFIG_JOYSTICK_IFORCE_USB - int status; + switch (packet_id) { - iforce->cr.bRequest = packet[0]; - iforce->ctrl->dev = iforce->usbdev; + case 0x01: /* joystick position data */ + input_report_abs(dev, ABS_X, + (__s16) get_unaligned_le16(data)); + input_report_abs(dev, ABS_Y, + (__s16) get_unaligned_le16(data + 2)); + input_report_abs(dev, ABS_THROTTLE, 255 - data[4]); - status = usb_submit_urb(iforce->ctrl, GFP_KERNEL); - if (status) { - dev_err(&iforce->intf->dev, - "usb_submit_urb failed %d\n", status); - return -1; - } + if (len >= 8 && test_bit(ABS_RUDDER ,dev->absbit)) + input_report_abs(dev, ABS_RUDDER, (__s8)data[7]); - wait_event_interruptible_timeout(iforce->wait, - iforce->ctrl->status != -EINPROGRESS, HZ); + iforce_report_hats_buttons(iforce, data); - if (iforce->ctrl->status) { - dev_dbg(&iforce->intf->dev, - "iforce->ctrl->status = %d\n", - iforce->ctrl->status); - usb_unlink_urb(iforce->ctrl); - return -1; - } -#else - printk(KERN_DEBUG "iforce_get_id_packet: iforce->bus = USB!\n"); -#endif - } + input_sync(dev); break; - case IFORCE_232: + case 0x03: /* wheel position data */ + input_report_abs(dev, ABS_WHEEL, + (__s16) get_unaligned_le16(data)); + input_report_abs(dev, ABS_GAS, 255 - data[2]); + input_report_abs(dev, ABS_BRAKE, 255 - data[3]); -#ifdef CONFIG_JOYSTICK_IFORCE_232 - iforce->expect_packet = FF_CMD_QUERY; - iforce_send_packet(iforce, FF_CMD_QUERY, packet); + iforce_report_hats_buttons(iforce, data); - wait_event_interruptible_timeout(iforce->wait, - !iforce->expect_packet, HZ); + input_sync(dev); + break; + + case 0x02: /* status report */ + input_report_key(dev, BTN_DEAD, data[0] & 0x02); + input_sync(dev); - if (iforce->expect_packet) { - iforce->expect_packet = 0; - return -1; + /* Check if an effect was just started or stopped */ + i = data[1] & 0x7f; + if (data[1] & 0x80) { + if (!test_and_set_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) { + /* Report play event */ + input_report_ff_status(dev, i, FF_STATUS_PLAYING); + } + } else if (test_and_clear_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) { + /* Report stop event */ + input_report_ff_status(dev, i, FF_STATUS_STOPPED); } -#else - dev_err(&iforce->dev->dev, - "iforce_get_id_packet: iforce->bus = SERIO!\n"); -#endif - break; - default: - dev_err(&iforce->dev->dev, - "iforce_get_id_packet: iforce->bus = %d\n", - iforce->bus); + for (j = 3; j < len; j += 2) + mark_core_as_ready(iforce, get_unaligned_le16(data + j)); + break; } - - return -(iforce->edata[0] != packet[0]); } - +EXPORT_SYMBOL(iforce_process_packet); diff --git a/drivers/input/joystick/iforce/iforce-serio.c b/drivers/input/joystick/iforce/iforce-serio.c index f4ba4a751fe0..e7692a38591e 100644 --- a/drivers/input/joystick/iforce/iforce-serio.c +++ b/drivers/input/joystick/iforce/iforce-serio.c @@ -21,10 +21,26 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/serio.h> #include "iforce.h" -void iforce_serial_xmit(struct iforce *iforce) +struct iforce_serio { + struct iforce iforce; + + struct serio *serio; + int idx, pkt, len, id; + u8 csum; + u8 expect_packet; + u8 cmd_response[IFORCE_MAX_LENGTH]; + u8 cmd_response_len; + u8 data_in[IFORCE_MAX_LENGTH]; +}; + +static void iforce_serio_xmit(struct iforce *iforce) { + struct iforce_serio *iforce_serio = container_of(iforce, + struct iforce_serio, + iforce); unsigned char cs; int i; unsigned long flags; @@ -45,19 +61,20 @@ again: cs = 0x2b; - serio_write(iforce->serio, 0x2b); + serio_write(iforce_serio->serio, 0x2b); - serio_write(iforce->serio, iforce->xmit.buf[iforce->xmit.tail]); + serio_write(iforce_serio->serio, iforce->xmit.buf[iforce->xmit.tail]); cs ^= iforce->xmit.buf[iforce->xmit.tail]; XMIT_INC(iforce->xmit.tail, 1); for (i=iforce->xmit.buf[iforce->xmit.tail]; i >= 0; --i) { - serio_write(iforce->serio, iforce->xmit.buf[iforce->xmit.tail]); + serio_write(iforce_serio->serio, + iforce->xmit.buf[iforce->xmit.tail]); cs ^= iforce->xmit.buf[iforce->xmit.tail]; XMIT_INC(iforce->xmit.tail, 1); } - serio_write(iforce->serio, cs); + serio_write(iforce_serio->serio, cs); if (test_and_clear_bit(IFORCE_XMIT_AGAIN, iforce->xmit_flags)) goto again; @@ -67,54 +84,118 @@ again: spin_unlock_irqrestore(&iforce->xmit_lock, flags); } +static int iforce_serio_get_id(struct iforce *iforce, u8 id, + u8 *response_data, size_t *response_len) +{ + struct iforce_serio *iforce_serio = container_of(iforce, + struct iforce_serio, + iforce); + + iforce_serio->expect_packet = HI(FF_CMD_QUERY); + iforce_serio->cmd_response_len = 0; + + iforce_send_packet(iforce, FF_CMD_QUERY, &id); + + wait_event_interruptible_timeout(iforce->wait, + !iforce_serio->expect_packet, HZ); + + if (iforce_serio->expect_packet) { + iforce_serio->expect_packet = 0; + return -ETIMEDOUT; + } + + if (iforce_serio->cmd_response[0] != id) + return -EIO; + + memcpy(response_data, iforce_serio->cmd_response, + iforce_serio->cmd_response_len); + *response_len = iforce_serio->cmd_response_len; + + return 0; +} + +static int iforce_serio_start_io(struct iforce *iforce) +{ + /* No special handling required */ + return 0; +} + +static void iforce_serio_stop_io(struct iforce *iforce) +{ + //TODO: Wait for the last packets to be sent +} + +static const struct iforce_xport_ops iforce_serio_xport_ops = { + .xmit = iforce_serio_xmit, + .get_id = iforce_serio_get_id, + .start_io = iforce_serio_start_io, + .stop_io = iforce_serio_stop_io, +}; + static void iforce_serio_write_wakeup(struct serio *serio) { struct iforce *iforce = serio_get_drvdata(serio); - iforce_serial_xmit(iforce); + iforce_serio_xmit(iforce); } static irqreturn_t iforce_serio_irq(struct serio *serio, - unsigned char data, unsigned int flags) + unsigned char data, unsigned int flags) { - struct iforce *iforce = serio_get_drvdata(serio); + struct iforce_serio *iforce_serio = serio_get_drvdata(serio); + struct iforce *iforce = &iforce_serio->iforce; - if (!iforce->pkt) { + if (!iforce_serio->pkt) { if (data == 0x2b) - iforce->pkt = 1; + iforce_serio->pkt = 1; goto out; } - if (!iforce->id) { + if (!iforce_serio->id) { if (data > 3 && data != 0xff) - iforce->pkt = 0; + iforce_serio->pkt = 0; else - iforce->id = data; + iforce_serio->id = data; goto out; } - if (!iforce->len) { + if (!iforce_serio->len) { if (data > IFORCE_MAX_LENGTH) { - iforce->pkt = 0; - iforce->id = 0; + iforce_serio->pkt = 0; + iforce_serio->id = 0; } else { - iforce->len = data; + iforce_serio->len = data; } goto out; } - if (iforce->idx < iforce->len) { - iforce->csum += iforce->data[iforce->idx++] = data; + if (iforce_serio->idx < iforce_serio->len) { + iforce_serio->data_in[iforce_serio->idx++] = data; + iforce_serio->csum += data; goto out; } - if (iforce->idx == iforce->len) { - iforce_process_packet(iforce, (iforce->id << 8) | iforce->idx, iforce->data); - iforce->pkt = 0; - iforce->id = 0; - iforce->len = 0; - iforce->idx = 0; - iforce->csum = 0; + if (iforce_serio->idx == iforce_serio->len) { + /* Handle command completion */ + if (iforce_serio->expect_packet == iforce_serio->id) { + iforce_serio->expect_packet = 0; + memcpy(iforce_serio->cmd_response, + iforce_serio->data_in, IFORCE_MAX_LENGTH); + iforce_serio->cmd_response_len = iforce_serio->len; + + /* Signal that command is done */ + wake_up(&iforce->wait); + } else if (likely(iforce->type)) { + iforce_process_packet(iforce, iforce_serio->id, + iforce_serio->data_in, + iforce_serio->len); + } + + iforce_serio->pkt = 0; + iforce_serio->id = 0; + iforce_serio->len = 0; + iforce_serio->idx = 0; + iforce_serio->csum = 0; } out: return IRQ_HANDLED; @@ -122,23 +203,23 @@ out: static int iforce_serio_connect(struct serio *serio, struct serio_driver *drv) { - struct iforce *iforce; + struct iforce_serio *iforce_serio; int err; - iforce = kzalloc(sizeof(struct iforce), GFP_KERNEL); - if (!iforce) + iforce_serio = kzalloc(sizeof(*iforce_serio), GFP_KERNEL); + if (!iforce_serio) return -ENOMEM; - iforce->bus = IFORCE_232; - iforce->serio = serio; + iforce_serio->iforce.xport_ops = &iforce_serio_xport_ops; - serio_set_drvdata(serio, iforce); + iforce_serio->serio = serio; + serio_set_drvdata(serio, iforce_serio); err = serio_open(serio, drv); if (err) goto fail1; - err = iforce_init_device(iforce); + err = iforce_init_device(&serio->dev, BUS_RS232, &iforce_serio->iforce); if (err) goto fail2; @@ -146,18 +227,18 @@ static int iforce_serio_connect(struct serio *serio, struct serio_driver *drv) fail2: serio_close(serio); fail1: serio_set_drvdata(serio, NULL); - kfree(iforce); + kfree(iforce_serio); return err; } static void iforce_serio_disconnect(struct serio *serio) { - struct iforce *iforce = serio_get_drvdata(serio); + struct iforce_serio *iforce_serio = serio_get_drvdata(serio); - input_unregister_device(iforce->dev); + input_unregister_device(iforce_serio->iforce.dev); serio_close(serio); serio_set_drvdata(serio, NULL); - kfree(iforce); + kfree(iforce_serio); } static const struct serio_device_id iforce_serio_ids[] = { @@ -183,3 +264,9 @@ struct serio_driver iforce_serio_drv = { .connect = iforce_serio_connect, .disconnect = iforce_serio_disconnect, }; + +module_serio_driver(iforce_serio_drv); + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>"); +MODULE_DESCRIPTION("RS232 I-Force joysticks and wheels driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index 78073259c9a1..75a2b0ea37b4 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -21,10 +21,24 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/usb.h> #include "iforce.h" -void iforce_usb_xmit(struct iforce *iforce) +struct iforce_usb { + struct iforce iforce; + + struct usb_device *usbdev; + struct usb_interface *intf; + struct urb *irq, *out; + + u8 data_in[IFORCE_MAX_LENGTH] ____cacheline_aligned; + u8 data_out[IFORCE_MAX_LENGTH] ____cacheline_aligned; +}; + +static void __iforce_usb_xmit(struct iforce *iforce) { + struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, + iforce); int n, c; unsigned long flags; @@ -36,31 +50,32 @@ void iforce_usb_xmit(struct iforce *iforce) return; } - ((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail]; + ((char *)iforce_usb->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail]; XMIT_INC(iforce->xmit.tail, 1); n = iforce->xmit.buf[iforce->xmit.tail]; XMIT_INC(iforce->xmit.tail, 1); - iforce->out->transfer_buffer_length = n + 1; - iforce->out->dev = iforce->usbdev; + iforce_usb->out->transfer_buffer_length = n + 1; + iforce_usb->out->dev = iforce_usb->usbdev; /* Copy rest of data then */ c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE); if (n < c) c=n; - memcpy(iforce->out->transfer_buffer + 1, + memcpy(iforce_usb->out->transfer_buffer + 1, &iforce->xmit.buf[iforce->xmit.tail], c); if (n != c) { - memcpy(iforce->out->transfer_buffer + 1 + c, + memcpy(iforce_usb->out->transfer_buffer + 1 + c, &iforce->xmit.buf[0], n-c); } XMIT_INC(iforce->xmit.tail, n); - if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) { + if ( (n=usb_submit_urb(iforce_usb->out, GFP_ATOMIC)) ) { clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); - dev_warn(&iforce->intf->dev, "usb_submit_urb failed %d\n", n); + dev_warn(&iforce_usb->intf->dev, + "usb_submit_urb failed %d\n", n); } /* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended. @@ -69,10 +84,77 @@ void iforce_usb_xmit(struct iforce *iforce) spin_unlock_irqrestore(&iforce->xmit_lock, flags); } +static void iforce_usb_xmit(struct iforce *iforce) +{ + if (!test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) + __iforce_usb_xmit(iforce); +} + +static int iforce_usb_get_id(struct iforce *iforce, u8 id, + u8 *response_data, size_t *response_len) +{ + struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, + iforce); + u8 *buf; + int status; + + buf = kmalloc(IFORCE_MAX_LENGTH, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + status = usb_control_msg(iforce_usb->usbdev, + usb_rcvctrlpipe(iforce_usb->usbdev, 0), + id, + USB_TYPE_VENDOR | USB_DIR_IN | + USB_RECIP_INTERFACE, + 0, 0, buf, IFORCE_MAX_LENGTH, HZ); + if (status < 0) { + dev_err(&iforce_usb->intf->dev, + "usb_submit_urb failed: %d\n", status); + } else if (buf[0] != id) { + status = -EIO; + } else { + memcpy(response_data, buf, status); + *response_len = status; + status = 0; + } + + kfree(buf); + return status; +} + +static int iforce_usb_start_io(struct iforce *iforce) +{ + struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, + iforce); + + if (usb_submit_urb(iforce_usb->irq, GFP_KERNEL)) + return -EIO; + + return 0; +} + +static void iforce_usb_stop_io(struct iforce *iforce) +{ + struct iforce_usb *iforce_usb = container_of(iforce, struct iforce_usb, + iforce); + + usb_kill_urb(iforce_usb->irq); + usb_kill_urb(iforce_usb->out); +} + +static const struct iforce_xport_ops iforce_usb_xport_ops = { + .xmit = iforce_usb_xmit, + .get_id = iforce_usb_get_id, + .start_io = iforce_usb_start_io, + .stop_io = iforce_usb_stop_io, +}; + static void iforce_usb_irq(struct urb *urb) { - struct iforce *iforce = urb->context; - struct device *dev = &iforce->intf->dev; + struct iforce_usb *iforce_usb = urb->context; + struct iforce *iforce = &iforce_usb->iforce; + struct device *dev = &iforce_usb->intf->dev; int status; switch (urb->status) { @@ -92,11 +174,11 @@ static void iforce_usb_irq(struct urb *urb) goto exit; } - iforce_process_packet(iforce, - (iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1); + iforce_process_packet(iforce, iforce_usb->data_in[0], + iforce_usb->data_in + 1, urb->actual_length - 1); exit: - status = usb_submit_urb (urb, GFP_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) dev_err(dev, "%s - usb_submit_urb failed with result %d\n", __func__, status); @@ -104,35 +186,28 @@ exit: static void iforce_usb_out(struct urb *urb) { - struct iforce *iforce = urb->context; + struct iforce_usb *iforce_usb = urb->context; + struct iforce *iforce = &iforce_usb->iforce; if (urb->status) { clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); - dev_dbg(&iforce->intf->dev, "urb->status %d, exiting\n", + dev_dbg(&iforce_usb->intf->dev, "urb->status %d, exiting\n", urb->status); return; } - iforce_usb_xmit(iforce); + __iforce_usb_xmit(iforce); wake_up(&iforce->wait); } -static void iforce_usb_ctrl(struct urb *urb) -{ - struct iforce *iforce = urb->context; - if (urb->status) return; - iforce->ecmd = 0xff00 | urb->actual_length; - wake_up(&iforce->wait); -} - static int iforce_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *dev = interface_to_usbdev(intf); struct usb_host_interface *interface; struct usb_endpoint_descriptor *epirq, *epout; - struct iforce *iforce; + struct iforce_usb *iforce_usb; int err = -ENOMEM; interface = intf->cur_altsetting; @@ -143,48 +218,45 @@ static int iforce_usb_probe(struct usb_interface *intf, epirq = &interface->endpoint[0].desc; epout = &interface->endpoint[1].desc; - if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) - goto fail; - - if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL))) + iforce_usb = kzalloc(sizeof(*iforce_usb), GFP_KERNEL); + if (!iforce_usb) goto fail; - if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL))) + iforce_usb->irq = usb_alloc_urb(0, GFP_KERNEL); + if (!iforce_usb->irq) goto fail; - if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL))) + iforce_usb->out = usb_alloc_urb(0, GFP_KERNEL); + if (!iforce_usb->out) goto fail; - iforce->bus = IFORCE_USB; - iforce->usbdev = dev; - iforce->intf = intf; - - iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE; - iforce->cr.wIndex = 0; - iforce->cr.wLength = cpu_to_le16(16); + iforce_usb->iforce.xport_ops = &iforce_usb_xport_ops; - usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress), - iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval); + iforce_usb->usbdev = dev; + iforce_usb->intf = intf; - usb_fill_int_urb(iforce->out, dev, usb_sndintpipe(dev, epout->bEndpointAddress), - iforce + 1, 32, iforce_usb_out, iforce, epout->bInterval); + usb_fill_int_urb(iforce_usb->irq, dev, + usb_rcvintpipe(dev, epirq->bEndpointAddress), + iforce_usb->data_in, sizeof(iforce_usb->data_in), + iforce_usb_irq, iforce_usb, epirq->bInterval); - usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0), - (void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce); + usb_fill_int_urb(iforce_usb->out, dev, + usb_sndintpipe(dev, epout->bEndpointAddress), + iforce_usb->data_out, sizeof(iforce_usb->data_out), + iforce_usb_out, iforce_usb, epout->bInterval); - err = iforce_init_device(iforce); + err = iforce_init_device(&intf->dev, BUS_USB, &iforce_usb->iforce); if (err) goto fail; - usb_set_intfdata(intf, iforce); + usb_set_intfdata(intf, iforce_usb); return 0; fail: - if (iforce) { - usb_free_urb(iforce->irq); - usb_free_urb(iforce->out); - usb_free_urb(iforce->ctrl); - kfree(iforce); + if (iforce_usb) { + usb_free_urb(iforce_usb->irq); + usb_free_urb(iforce_usb->out); + kfree(iforce_usb); } return err; @@ -192,17 +264,16 @@ fail: static void iforce_usb_disconnect(struct usb_interface *intf) { - struct iforce *iforce = usb_get_intfdata(intf); + struct iforce_usb *iforce_usb = usb_get_intfdata(intf); usb_set_intfdata(intf, NULL); - input_unregister_device(iforce->dev); + input_unregister_device(iforce_usb->iforce.dev); - usb_free_urb(iforce->irq); - usb_free_urb(iforce->out); - usb_free_urb(iforce->ctrl); + usb_free_urb(iforce_usb->irq); + usb_free_urb(iforce_usb->out); - kfree(iforce); + kfree(iforce_usb); } static const struct usb_device_id iforce_usb_ids[] = { @@ -214,6 +285,7 @@ static const struct usb_device_id iforce_usb_ids[] = { { USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */ { USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */ { USB_DEVICE(0x061c, 0xc084) }, /* ACT LABS Force RS */ + { USB_DEVICE(0x06a3, 0xff04) }, /* Saitek R440 Force Wheel */ { USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */ { USB_DEVICE(0x06f8, 0x0003) }, /* Guillemot Jet Leader Force Feedback */ { USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */ @@ -229,3 +301,9 @@ struct usb_driver iforce_usb_driver = { .disconnect = iforce_usb_disconnect, .id_table = iforce_usb_ids, }; + +module_usb_driver(iforce_usb_driver); + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>"); +MODULE_DESCRIPTION("USB I-Force joysticks and wheels driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/joystick/iforce/iforce.h b/drivers/input/joystick/iforce/iforce.h index 0e9d01f8bcb6..3e91cc381488 100644 --- a/drivers/input/joystick/iforce/iforce.h +++ b/drivers/input/joystick/iforce/iforce.h @@ -26,8 +26,6 @@ #include <linux/input.h> #include <linux/module.h> #include <linux/spinlock.h> -#include <linux/usb.h> -#include <linux/serio.h> #include <linux/circ_buf.h> #include <linux/mutex.h> @@ -40,10 +38,6 @@ #define IFORCE_MAX_LENGTH 16 -/* iforce::bus */ -#define IFORCE_232 1 -#define IFORCE_USB 2 - #define IFORCE_EFFECTS_MAX 32 /* Each force feedback effect is made of one core effect, which can be @@ -93,27 +87,21 @@ struct iforce_device { signed short *ff; }; +struct iforce; + +struct iforce_xport_ops { + void (*xmit)(struct iforce *iforce); + int (*get_id)(struct iforce *iforce, u8 id, + u8 *response_data, size_t *response_len); + int (*start_io)(struct iforce *iforce); + void (*stop_io)(struct iforce *iforce); +}; + struct iforce { struct input_dev *dev; /* Input device interface */ struct iforce_device *type; - int bus; - - unsigned char data[IFORCE_MAX_LENGTH]; - unsigned char edata[IFORCE_MAX_LENGTH]; - u16 ecmd; - u16 expect_packet; - -#ifdef CONFIG_JOYSTICK_IFORCE_232 - struct serio *serio; /* RS232 transfer */ - int idx, pkt, len, id; - unsigned char csum; -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_USB - struct usb_device *usbdev; /* USB transfer */ - struct usb_interface *intf; - struct urb *irq, *out, *ctrl; - struct usb_ctrlrequest cr; -#endif + const struct iforce_xport_ops *xport_ops; + spinlock_t xmit_lock; /* Buffer used for asynchronous sending of bytes to the device */ struct circ_buf xmit; @@ -139,23 +127,24 @@ struct iforce { /* Encode a time value */ #define TIME_SCALE(a) (a) +static inline int iforce_get_id_packet(struct iforce *iforce, u8 id, + u8 *response_data, size_t *response_len) +{ + return iforce->xport_ops->get_id(iforce, id, + response_data, response_len); +} /* Public functions */ -/* iforce-serio.c */ -void iforce_serial_xmit(struct iforce *iforce); - -/* iforce-usb.c */ -void iforce_usb_xmit(struct iforce *iforce); - /* iforce-main.c */ -int iforce_init_device(struct iforce *iforce); +int iforce_init_device(struct device *parent, u16 bustype, + struct iforce *iforce); /* iforce-packets.c */ int iforce_control_playback(struct iforce*, u16 id, unsigned int); -void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data); +void iforce_process_packet(struct iforce *iforce, + u8 packet_id, u8 *data, size_t len); int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data); void iforce_dump_packet(struct iforce *iforce, char *msg, u16 cmd, unsigned char *data); -int iforce_get_id_packet(struct iforce *iforce, char *packet); /* iforce-ff.c */ int iforce_upload_periodic(struct iforce *, struct ff_effect *, struct ff_effect *); |