mirror of https://gitee.com/openkylin/linux.git
Input: gamecon - fix some formatting issues
Fix formatting of 'switch' statements and change the code to stay closer to 80 column limit where it does not hurt code readability. Tested-by: Scott Moreau <oreaus@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
parent
7aa9e0e826
commit
d38fcb9690
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@ -93,15 +93,21 @@ static struct gc *gc_base[3];
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static int gc_status_bit[] = { 0x40, 0x80, 0x20, 0x10, 0x08 };
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static char *gc_names[] = { NULL, "SNES pad", "NES pad", "NES FourPort", "Multisystem joystick",
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"Multisystem 2-button joystick", "N64 controller", "PSX controller",
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"PSX DDR controller", "SNES mouse" };
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static char *gc_names[] = {
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NULL, "SNES pad", "NES pad", "NES FourPort", "Multisystem joystick",
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"Multisystem 2-button joystick", "N64 controller", "PSX controller",
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"PSX DDR controller", "SNES mouse"
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};
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/*
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* N64 support.
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*/
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static unsigned char gc_n64_bytes[] = { 0, 1, 13, 15, 14, 12, 10, 11, 2, 3 };
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static short gc_n64_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TRIGGER, BTN_START };
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static short gc_n64_btn[] = {
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BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z,
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BTN_TL, BTN_TR, BTN_TRIGGER, BTN_START
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};
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#define GC_N64_LENGTH 32 /* N64 bit length, not including stop bit */
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#define GC_N64_STOP_LENGTH 5 /* Length of encoded stop bit */
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@ -157,7 +163,8 @@ static void gc_n64_send_stop_bit(struct gc *gc, unsigned char target)
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/*
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* gc_n64_read_packet() reads an N64 packet.
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* Each pad uses one bit per byte. So all pads connected to this port are read in parallel.
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* Each pad uses one bit per byte. So all pads connected to this port
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* are read in parallel.
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*/
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static void gc_n64_read_packet(struct gc *gc, unsigned char *data)
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@ -175,7 +182,8 @@ static void gc_n64_read_packet(struct gc *gc, unsigned char *data)
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local_irq_restore(flags);
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/*
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* Wait for the pad response to be loaded into the 33-bit register of the adapter
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* Wait for the pad response to be loaded into the 33-bit register
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* of the adapter.
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*/
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udelay(GC_N64_DELAY);
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@ -192,8 +200,9 @@ static void gc_n64_read_packet(struct gc *gc, unsigned char *data)
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}
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/*
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* We must wait 200 ms here for the controller to reinitialize before the next read request.
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* No worries as long as gc_read is polled less frequently than this.
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* We must wait 200 ms here for the controller to reinitialize before
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* the next read request. No worries as long as gc_read is polled less
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* frequently than this.
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*/
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}
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@ -201,9 +210,9 @@ static void gc_n64_read_packet(struct gc *gc, unsigned char *data)
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static void gc_n64_process_packet(struct gc *gc)
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{
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unsigned char data[GC_N64_LENGTH];
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signed char axes[2];
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struct input_dev *dev;
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int i, j, s;
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signed char x, y;
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gc_n64_read_packet(gc, data);
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@ -217,23 +226,26 @@ static void gc_n64_process_packet(struct gc *gc)
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if (s & gc->pads[GC_N64] & ~(data[8] | data[9])) {
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axes[0] = axes[1] = 0;
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x = y = 0;
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for (j = 0; j < 8; j++) {
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if (data[23 - j] & s)
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axes[0] |= 1 << j;
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x |= 1 << j;
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if (data[31 - j] & s)
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axes[1] |= 1 << j;
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y |= 1 << j;
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}
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input_report_abs(dev, ABS_X, axes[0]);
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input_report_abs(dev, ABS_Y, -axes[1]);
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input_report_abs(dev, ABS_X, x);
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input_report_abs(dev, ABS_Y, -y);
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input_report_abs(dev, ABS_HAT0X, !(s & data[6]) - !(s & data[7]));
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input_report_abs(dev, ABS_HAT0Y, !(s & data[4]) - !(s & data[5]));
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input_report_abs(dev, ABS_HAT0X,
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!(s & data[6]) - !(s & data[7]));
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input_report_abs(dev, ABS_HAT0Y,
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!(s & data[4]) - !(s & data[5]));
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for (j = 0; j < 10; j++)
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input_report_key(dev, gc_n64_btn[j], s & data[gc_n64_bytes[j]]);
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input_report_key(dev, gc_n64_btn[j],
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s & data[gc_n64_bytes[j]]);
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input_sync(dev);
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}
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@ -321,7 +333,9 @@ static int __init gc_n64_init_ff(struct input_dev *dev, int i)
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static unsigned char gc_nes_bytes[] = { 0, 1, 2, 3 };
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static unsigned char gc_snes_bytes[] = { 8, 0, 2, 3, 9, 1, 10, 11 };
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static short gc_snes_btn[] = { BTN_A, BTN_B, BTN_SELECT, BTN_START, BTN_X, BTN_Y, BTN_TL, BTN_TR };
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static short gc_snes_btn[] = {
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BTN_A, BTN_B, BTN_SELECT, BTN_START, BTN_X, BTN_Y, BTN_TL, BTN_TR
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};
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/*
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* gc_nes_read_packet() reads a NES/SNES packet.
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@ -373,16 +387,19 @@ static void gc_nes_process_packet(struct gc *gc)
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if (s & gc->pads[GC_NES])
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for (j = 0; j < 4; j++)
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input_report_key(dev, gc_snes_btn[j], s & data[gc_nes_bytes[j]]);
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input_report_key(dev, gc_snes_btn[j],
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s & data[gc_nes_bytes[j]]);
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if (s & gc->pads[GC_SNES])
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for (j = 0; j < 8; j++)
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input_report_key(dev, gc_snes_btn[j], s & data[gc_snes_bytes[j]]);
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input_report_key(dev, gc_snes_btn[j],
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s & data[gc_snes_bytes[j]]);
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if (s & gc->pads[GC_SNESMOUSE]) {
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/*
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* The 4 unused bits from SNES controllers appear to be ID bits
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* so use them to make sure iwe are dealing with a mouse.
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* The 4 unused bits from SNES controllers appear
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* to be ID bits so use them to make sure we are
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* dealing with a mouse.
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* gamepad is connected. This is important since
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* my SNES gamepad sends 1's for bits 16-31, which
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* cause the mouse pointer to quickly move to the
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@ -445,10 +462,11 @@ static void gc_multi_read_packet(struct gc *gc, int length, unsigned char *data)
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static void gc_multi_process_packet(struct gc *gc)
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{
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unsigned char data[GC_MULTI2_LENGTH];
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int data_len = gc->pads[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH;
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struct input_dev *dev;
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int i, s;
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gc_multi_read_packet(gc, gc->pads[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH, data);
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gc_multi_read_packet(gc, data_len, data);
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for (i = 0; i < GC_MAX_DEVICES; i++) {
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@ -459,8 +477,10 @@ static void gc_multi_process_packet(struct gc *gc)
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s = gc_status_bit[i];
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if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) {
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input_report_abs(dev, ABS_X, !(s & data[2]) - !(s & data[3]));
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input_report_abs(dev, ABS_Y, !(s & data[0]) - !(s & data[1]));
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input_report_abs(dev, ABS_X,
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!(s & data[2]) - !(s & data[3]));
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input_report_abs(dev, ABS_Y,
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!(s & data[0]) - !(s & data[1]));
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input_report_key(dev, BTN_TRIGGER, s & data[4]);
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}
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@ -503,9 +523,13 @@ static int gc_psx_delay = GC_PSX_DELAY;
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module_param_named(psx_delay, gc_psx_delay, uint, 0);
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MODULE_PARM_DESC(psx_delay, "Delay when accessing Sony PSX controller (usecs)");
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static short gc_psx_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_HAT0X, ABS_HAT0Y };
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static short gc_psx_btn[] = { BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_A, BTN_B, BTN_X, BTN_Y,
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BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR };
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static short gc_psx_abs[] = {
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ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_HAT0X, ABS_HAT0Y
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};
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static short gc_psx_btn[] = {
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BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_A, BTN_B, BTN_X, BTN_Y,
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BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR
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};
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static short gc_psx_ddr_btn[] = { BTN_0, BTN_1, BTN_2, BTN_3 };
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/*
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@ -513,18 +537,18 @@ static short gc_psx_ddr_btn[] = { BTN_0, BTN_1, BTN_2, BTN_3 };
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* the psx pad.
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*/
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static void gc_psx_command(struct gc *gc, int b, unsigned char data[GC_MAX_DEVICES])
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static void gc_psx_command(struct gc *gc, int b, unsigned char *data)
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{
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struct parport *port = gc->pd->port;
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int i, j, cmd, read;
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for (i = 0; i < GC_MAX_DEVICES; i++)
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data[i] = 0;
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memset(data, 0, GC_MAX_DEVICES);
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for (i = 0; i < GC_PSX_LENGTH; i++, b >>= 1) {
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cmd = (b & 1) ? GC_PSX_COMMAND : 0;
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parport_write_data(gc->pd->port, cmd | GC_PSX_POWER);
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parport_write_data(port, cmd | GC_PSX_POWER);
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udelay(gc_psx_delay);
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read = parport_read_status(gc->pd->port) ^ 0x80;
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read = parport_read_status(port) ^ 0x80;
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for (j = 0; j < GC_MAX_DEVICES; j++)
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data[j] |= (read & gc_status_bit[j] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) ? (1 << i) : 0;
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parport_write_data(gc->pd->port, cmd | GC_PSX_CLOCK | GC_PSX_POWER);
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@ -544,24 +568,29 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES]
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unsigned long flags;
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unsigned char data2[GC_MAX_DEVICES];
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parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); /* Select pad */
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/* Select pad */
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parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER);
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udelay(gc_psx_delay);
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parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_POWER); /* Deselect, begin command */
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/* Deselect, begin command */
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parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_POWER);
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udelay(gc_psx_delay);
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local_irq_save(flags);
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gc_psx_command(gc, 0x01, data2); /* Access pad */
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gc_psx_command(gc, 0x42, id); /* Get device ids */
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gc_psx_command(gc, 0, data2); /* Dump status */
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gc_psx_command(gc, 0x01, data2); /* Access pad */
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gc_psx_command(gc, 0x42, id); /* Get device ids */
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gc_psx_command(gc, 0, data2); /* Dump status */
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for (i =0; i < GC_MAX_DEVICES; i++) /* Find the longest pad */
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if((gc_status_bit[i] & (gc->pads[GC_PSX] | gc->pads[GC_DDR]))
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&& (GC_PSX_LEN(id[i]) > max_len)
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&& (GC_PSX_LEN(id[i]) <= GC_PSX_BYTES))
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/* Find the longest pad */
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for (i = 0; i < GC_MAX_DEVICES; i++)
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if ((gc_status_bit[i] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) &&
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GC_PSX_LEN(id[i]) > max_len &&
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GC_PSX_LEN(id[i]) <= GC_PSX_BYTES) {
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max_len = GC_PSX_LEN(id[i]);
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}
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for (i = 0; i < max_len; i++) { /* Read in all the data */
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/* Read in all the data */
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for (i = 0; i < max_len; i++) {
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gc_psx_command(gc, 0, data2);
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for (j = 0; j < GC_MAX_DEVICES; j++)
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data[j][i] = data2[j];
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@ -571,86 +600,99 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES]
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parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER);
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for(i = 0; i < GC_MAX_DEVICES; i++) /* Set id's to the real value */
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/* Set id's to the real value */
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for (i = 0; i < GC_MAX_DEVICES; i++)
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id[i] = GC_PSX_ID(id[i]);
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}
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static void gc_psx_report_one(struct gc *gc, struct input_dev *dev,
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unsigned char pad_type, unsigned char status_bit,
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unsigned char *data)
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{
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int i;
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switch (pad_type) {
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case GC_PSX_RUMBLE:
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input_report_key(dev, BTN_THUMBL, ~data[0] & 0x04);
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input_report_key(dev, BTN_THUMBR, ~data[0] & 0x02);
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case GC_PSX_NEGCON:
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case GC_PSX_ANALOG:
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if (gc->pads[GC_DDR] & status_bit) {
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for (i = 0; i < 4; i++)
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input_report_key(dev, gc_psx_ddr_btn[i],
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~data[0] & (0x10 << i));
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} else {
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for (i = 0; i < 4; i++)
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input_report_abs(dev, gc_psx_abs[i + 2],
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data[i + 2]);
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input_report_abs(dev, ABS_X, 128 + !(data[0] & 0x20) * 127 - !(data[0] & 0x80) * 128);
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input_report_abs(dev, ABS_Y, 128 + !(data[0] & 0x40) * 127 - !(data[0] & 0x10) * 128);
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}
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for (i = 0; i < 8; i++)
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input_report_key(dev, gc_psx_btn[i], ~data[1] & (1 << i));
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input_report_key(dev, BTN_START, ~data[0] & 0x08);
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input_report_key(dev, BTN_SELECT, ~data[0] & 0x01);
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input_sync(dev);
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break;
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case GC_PSX_NORMAL:
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if (gc->pads[GC_DDR] & status_bit) {
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for (i = 0; i < 4; i++)
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input_report_key(dev, gc_psx_ddr_btn[i],
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~data[0] & (0x10 << i));
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} else {
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input_report_abs(dev, ABS_X, 128 + !(data[0] & 0x20) * 127 - !(data[0] & 0x80) * 128);
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input_report_abs(dev, ABS_Y, 128 + !(data[0] & 0x40) * 127 - !(data[0] & 0x10) * 128);
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/*
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* For some reason if the extra axes are left unset
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* they drift.
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* for (i = 0; i < 4; i++)
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input_report_abs(dev, gc_psx_abs[i + 2], 128);
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* This needs to be debugged properly,
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* maybe fuzz processing needs to be done
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* in input_sync()
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* --vojtech
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*/
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}
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for (i = 0; i < 8; i++)
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input_report_key(dev, gc_psx_btn[i], ~data[1] & (1 << i));
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input_report_key(dev, BTN_START, ~data[0] & 0x08);
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input_report_key(dev, BTN_SELECT, ~data[0] & 0x01);
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input_sync(dev);
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break;
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case 0: /* not a pad, ignore */
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break;
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}
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}
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static void gc_psx_process_packet(struct gc *gc)
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{
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unsigned char data[GC_MAX_DEVICES][GC_PSX_BYTES];
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unsigned char id[GC_MAX_DEVICES];
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struct input_dev *dev;
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int i, j;
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int i;
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gc_psx_read_packet(gc, data, id);
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for (i = 0; i < GC_MAX_DEVICES; i++) {
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dev = gc->dev[i];
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if (!dev)
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continue;
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switch (id[i]) {
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case GC_PSX_RUMBLE:
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input_report_key(dev, BTN_THUMBL, ~data[i][0] & 0x04);
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input_report_key(dev, BTN_THUMBR, ~data[i][0] & 0x02);
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case GC_PSX_NEGCON:
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case GC_PSX_ANALOG:
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if (gc->pads[GC_DDR] & gc_status_bit[i]) {
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for(j = 0; j < 4; j++)
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input_report_key(dev, gc_psx_ddr_btn[j], ~data[i][0] & (0x10 << j));
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} else {
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for (j = 0; j < 4; j++)
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input_report_abs(dev, gc_psx_abs[j + 2], data[i][j + 2]);
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input_report_abs(dev, ABS_X, 128 + !(data[i][0] & 0x20) * 127 - !(data[i][0] & 0x80) * 128);
|
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input_report_abs(dev, ABS_Y, 128 + !(data[i][0] & 0x40) * 127 - !(data[i][0] & 0x10) * 128);
|
||||
}
|
||||
|
||||
for (j = 0; j < 8; j++)
|
||||
input_report_key(dev, gc_psx_btn[j], ~data[i][1] & (1 << j));
|
||||
|
||||
input_report_key(dev, BTN_START, ~data[i][0] & 0x08);
|
||||
input_report_key(dev, BTN_SELECT, ~data[i][0] & 0x01);
|
||||
|
||||
input_sync(dev);
|
||||
|
||||
break;
|
||||
|
||||
case GC_PSX_NORMAL:
|
||||
if (gc->pads[GC_DDR] & gc_status_bit[i]) {
|
||||
for(j = 0; j < 4; j++)
|
||||
input_report_key(dev, gc_psx_ddr_btn[j], ~data[i][0] & (0x10 << j));
|
||||
} else {
|
||||
input_report_abs(dev, ABS_X, 128 + !(data[i][0] & 0x20) * 127 - !(data[i][0] & 0x80) * 128);
|
||||
input_report_abs(dev, ABS_Y, 128 + !(data[i][0] & 0x40) * 127 - !(data[i][0] & 0x10) * 128);
|
||||
|
||||
/* for some reason if the extra axes are left unset they drift */
|
||||
/* for (j = 0; j < 4; j++)
|
||||
input_report_abs(dev, gc_psx_abs[j + 2], 128);
|
||||
* This needs to be debugged properly,
|
||||
* maybe fuzz processing needs to be done in input_sync()
|
||||
* --vojtech
|
||||
*/
|
||||
}
|
||||
|
||||
for (j = 0; j < 8; j++)
|
||||
input_report_key(dev, gc_psx_btn[j], ~data[i][1] & (1 << j));
|
||||
|
||||
input_report_key(dev, BTN_START, ~data[i][0] & 0x08);
|
||||
input_report_key(dev, BTN_SELECT, ~data[i][0] & 0x01);
|
||||
|
||||
input_sync(dev);
|
||||
|
||||
break;
|
||||
|
||||
case 0: /* not a pad, ignore */
|
||||
break;
|
||||
}
|
||||
if (gc->dev[i])
|
||||
gc_psx_report_one(gc, gc->dev[i],
|
||||
id[i], gc_status_bit[i], data[i]);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -770,60 +812,61 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
|
|||
|
||||
switch (pad_type) {
|
||||
|
||||
case GC_N64:
|
||||
for (i = 0; i < 10; i++)
|
||||
set_bit(gc_n64_btn[i], input_dev->keybit);
|
||||
case GC_N64:
|
||||
for (i = 0; i < 10; i++)
|
||||
__set_bit(gc_n64_btn[i], input_dev->keybit);
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
input_set_abs_params(input_dev, ABS_X + i, -127, 126, 0, 2);
|
||||
input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
|
||||
}
|
||||
for (i = 0; i < 2; i++) {
|
||||
input_set_abs_params(input_dev, ABS_X + i, -127, 126, 0, 2);
|
||||
input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
|
||||
}
|
||||
|
||||
err = gc_n64_init_ff(input_dev, idx);
|
||||
if (err) {
|
||||
printk(KERN_WARNING "gamecon.c: Failed to initiate rumble for N64 device %d\n", idx);
|
||||
input_free_device(input_dev);
|
||||
return err;
|
||||
}
|
||||
err = gc_n64_init_ff(input_dev, idx);
|
||||
if (err) {
|
||||
printk(KERN_WARNING "gamecon.c: Failed to initiate rumble for N64 device %d\n", idx);
|
||||
input_free_device(input_dev);
|
||||
return err;
|
||||
}
|
||||
|
||||
break;
|
||||
break;
|
||||
|
||||
case GC_SNESMOUSE:
|
||||
set_bit(BTN_LEFT, input_dev->keybit);
|
||||
set_bit(BTN_RIGHT, input_dev->keybit);
|
||||
set_bit(REL_X, input_dev->relbit);
|
||||
set_bit(REL_Y, input_dev->relbit);
|
||||
break;
|
||||
case GC_SNESMOUSE:
|
||||
__set_bit(BTN_LEFT, input_dev->keybit);
|
||||
__set_bit(BTN_RIGHT, input_dev->keybit);
|
||||
__set_bit(REL_X, input_dev->relbit);
|
||||
__set_bit(REL_Y, input_dev->relbit);
|
||||
break;
|
||||
|
||||
case GC_SNES:
|
||||
for (i = 4; i < 8; i++)
|
||||
set_bit(gc_snes_btn[i], input_dev->keybit);
|
||||
case GC_NES:
|
||||
for (i = 0; i < 4; i++)
|
||||
set_bit(gc_snes_btn[i], input_dev->keybit);
|
||||
break;
|
||||
case GC_SNES:
|
||||
for (i = 4; i < 8; i++)
|
||||
__set_bit(gc_snes_btn[i], input_dev->keybit);
|
||||
case GC_NES:
|
||||
for (i = 0; i < 4; i++)
|
||||
__set_bit(gc_snes_btn[i], input_dev->keybit);
|
||||
break;
|
||||
|
||||
case GC_MULTI2:
|
||||
set_bit(BTN_THUMB, input_dev->keybit);
|
||||
case GC_MULTI:
|
||||
set_bit(BTN_TRIGGER, input_dev->keybit);
|
||||
break;
|
||||
case GC_MULTI2:
|
||||
__set_bit(BTN_THUMB, input_dev->keybit);
|
||||
case GC_MULTI:
|
||||
__set_bit(BTN_TRIGGER, input_dev->keybit);
|
||||
break;
|
||||
|
||||
case GC_PSX:
|
||||
for (i = 0; i < 6; i++)
|
||||
input_set_abs_params(input_dev, gc_psx_abs[i], 4, 252, 0, 2);
|
||||
for (i = 0; i < 12; i++)
|
||||
set_bit(gc_psx_btn[i], input_dev->keybit);
|
||||
case GC_PSX:
|
||||
for (i = 0; i < 6; i++)
|
||||
input_set_abs_params(input_dev,
|
||||
gc_psx_abs[i], 4, 252, 0, 2);
|
||||
for (i = 0; i < 12; i++)
|
||||
__set_bit(gc_psx_btn[i], input_dev->keybit);
|
||||
|
||||
break;
|
||||
break;
|
||||
|
||||
case GC_DDR:
|
||||
for (i = 0; i < 4; i++)
|
||||
set_bit(gc_psx_ddr_btn[i], input_dev->keybit);
|
||||
for (i = 0; i < 12; i++)
|
||||
set_bit(gc_psx_btn[i], input_dev->keybit);
|
||||
case GC_DDR:
|
||||
for (i = 0; i < 4; i++)
|
||||
__set_bit(gc_psx_ddr_btn[i], input_dev->keybit);
|
||||
for (i = 0; i < 12; i++)
|
||||
__set_bit(gc_psx_btn[i], input_dev->keybit);
|
||||
|
||||
break;
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
|
@ -860,9 +903,7 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads)
|
|||
|
||||
mutex_init(&gc->mutex);
|
||||
gc->pd = pd;
|
||||
init_timer(&gc->timer);
|
||||
gc->timer.data = (long) gc;
|
||||
gc->timer.function = gc_timer;
|
||||
setup_timer(&gc->timer, gc_timer, (long) gc);
|
||||
|
||||
for (i = 0; i < n_pads && i < GC_MAX_DEVICES; i++) {
|
||||
if (!pads[i])
|
||||
|
|
|
|||
Loading…
Reference in New Issue