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Input: gamecon - simplify pad type handling
Instead of having array bitmasks by type for all gamepads have explicit type field in every pad structure. Tested-by: Scott Moreau <oreaus@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
parent
315543fd11
commit
0995174dda
@ -61,28 +61,36 @@ MODULE_PARM_DESC(map3, "Describes third set of devices");
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/* see also gs_psx_delay parameter in PSX support section */
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#define GC_SNES 1
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#define GC_NES 2
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#define GC_NES4 3
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#define GC_MULTI 4
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#define GC_MULTI2 5
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#define GC_N64 6
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#define GC_PSX 7
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#define GC_DDR 8
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#define GC_SNESMOUSE 9
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#define GC_MAX 9
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enum gc_type {
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GC_NONE = 0,
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GC_SNES,
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GC_NES,
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GC_NES4,
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GC_MULTI,
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GC_MULTI2,
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GC_N64,
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GC_PSX,
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GC_DDR,
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GC_SNESMOUSE,
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GC_MAX
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};
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#define GC_REFRESH_TIME HZ/100
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struct gc_pad {
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struct input_dev *dev;
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enum gc_type type;
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char phys[32];
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};
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struct gc {
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struct pardevice *pd;
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struct gc_pad pads[GC_MAX_DEVICES];
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struct input_dev *dev[GC_MAX_DEVICES];
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struct timer_list timer;
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unsigned char pads[GC_MAX + 1];
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int pad_count[GC_MAX];
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int used;
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struct mutex mutex;
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char phys[GC_MAX_DEVICES][32];
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};
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struct gc_subdev {
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@ -218,13 +226,13 @@ static void gc_n64_process_packet(struct gc *gc)
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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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if (gc->pads[i].type != GC_N64)
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continue;
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dev = gc->pads[i].dev;
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s = gc_status_bit[i];
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if (s & gc->pads[GC_N64] & ~(data[8] | data[9])) {
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if (s & ~(data[8] | data[9])) {
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x = y = 0;
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@ -363,39 +371,47 @@ static void gc_nes_read_packet(struct gc *gc, int length, unsigned char *data)
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static void gc_nes_process_packet(struct gc *gc)
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{
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unsigned char data[GC_SNESMOUSE_LENGTH];
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struct gc_pad *pad;
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struct input_dev *dev;
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int i, j, s, len;
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char x_rel, y_rel;
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len = gc->pads[GC_SNESMOUSE] ? GC_SNESMOUSE_LENGTH :
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(gc->pads[GC_SNES] ? GC_SNES_LENGTH : GC_NES_LENGTH);
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len = gc->pad_count[GC_SNESMOUSE] ? GC_SNESMOUSE_LENGTH :
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(gc->pad_count[GC_SNES] ? GC_SNES_LENGTH : GC_NES_LENGTH);
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gc_nes_read_packet(gc, len, data);
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for (i = 0; i < GC_MAX_DEVICES; i++) {
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pad = &gc->pads[i];
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dev = gc->dev[i];
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if (!dev)
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continue;
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s = gc_status_bit[i];
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if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) {
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switch (pad->type) {
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case GC_NES:
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input_report_abs(dev, ABS_X, !(s & data[6]) - !(s & data[7]));
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input_report_abs(dev, ABS_Y, !(s & data[4]) - !(s & data[5]));
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}
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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],
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s & data[gc_nes_bytes[j]]);
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input_sync(dev);
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break;
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case GC_SNES:
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input_report_abs(dev, ABS_X, !(s & data[6]) - !(s & data[7]));
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input_report_abs(dev, ABS_Y, !(s & data[4]) - !(s & data[5]));
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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],
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s & data[gc_snes_bytes[j]]);
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input_sync(dev);
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break;
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if (s & gc->pads[GC_SNESMOUSE]) {
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case GC_SNESMOUSE:
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/*
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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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@ -432,9 +448,14 @@ static void gc_nes_process_packet(struct gc *gc)
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y_rel = -y_rel;
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input_report_rel(dev, REL_Y, y_rel);
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}
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input_sync(dev);
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}
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break;
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default:
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break;
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}
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input_sync(dev);
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}
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}
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@ -462,32 +483,35 @@ 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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int data_len = gc->pad_count[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH;
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struct gc_pad *pad;
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struct input_dev *dev;
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int i, s;
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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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dev = gc->dev[i];
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if (!dev)
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continue;
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pad = &gc->pads[i];
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dev = pad->dev;
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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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switch (pad->type) {
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case GC_MULTI2:
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input_report_key(dev, BTN_THUMB, s & data[5]);
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/* fall through */
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case GC_MULTI:
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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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input_sync(dev);
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break;
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default:
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break;
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}
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if (s & gc->pads[GC_MULTI2])
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input_report_key(dev, BTN_THUMB, s & data[5]);
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input_sync(dev);
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}
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}
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@ -548,9 +572,16 @@ static void gc_psx_command(struct gc *gc, int b, unsigned char *data)
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cmd = (b & 1) ? GC_PSX_COMMAND : 0;
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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(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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for (j = 0; j < GC_MAX_DEVICES; j++) {
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struct gc_pad *pad = &gc->pads[i];
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if (pad->type == GC_PSX || pad->type == GC_DDR)
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data[j] |= (read & gc_status_bit[j]) ? (1 << i) : 0;
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}
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parport_write_data(gc->pd->port, cmd | GC_PSX_CLOCK | GC_PSX_POWER);
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udelay(gc_psx_delay);
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}
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@ -561,7 +592,8 @@ static void gc_psx_command(struct gc *gc, int b, unsigned char *data)
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* device identifier code.
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*/
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static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES][GC_PSX_BYTES],
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static void gc_psx_read_packet(struct gc *gc,
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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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{
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int i, j, max_len = 0;
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@ -582,12 +614,15 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES]
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gc_psx_command(gc, 0, data2); /* Dump status */
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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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for (i = 0; i < GC_MAX_DEVICES; i++) {
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struct gc_pad *pad = &gc->pads[i];
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if ((pad->type == GC_PSX || pad->type == 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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}
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/* Read in all the data */
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for (i = 0; i < max_len; i++) {
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@ -605,13 +640,13 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES]
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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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static void gc_psx_report_one(struct gc_pad *pad, unsigned char psx_type,
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unsigned char *data)
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{
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struct input_dev *dev = pad->dev;
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int i;
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switch (pad_type) {
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switch (psx_type) {
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case GC_PSX_RUMBLE:
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@ -621,7 +656,7 @@ static void gc_psx_report_one(struct gc *gc, struct input_dev *dev,
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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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if (pad->type == GC_DDR) {
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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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@ -647,7 +682,8 @@ static void gc_psx_report_one(struct gc *gc, struct input_dev *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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if (pad->type == GC_DDR) {
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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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@ -679,7 +715,7 @@ static void gc_psx_report_one(struct gc *gc, struct input_dev *dev,
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break;
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case 0: /* not a pad, ignore */
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default: /* not a pad, ignore */
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break;
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}
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}
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@ -688,15 +724,15 @@ 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 gc_pad *pad;
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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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if (gc->dev[i])
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gc_psx_report_one(gc, gc->dev[i],
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id[i], gc_status_bit[i], data[i]);
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pad = &gc->pads[i];
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if (pad->type == GC_PSX || pad->type == GC_DDR)
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gc_psx_report_one(pad, id[i], data[i]);
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}
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}
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@ -712,28 +748,31 @@ static void gc_timer(unsigned long private)
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* N64 pads - must be read first, any read confuses them for 200 us
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*/
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if (gc->pads[GC_N64])
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if (gc->pad_count[GC_N64])
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gc_n64_process_packet(gc);
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/*
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* NES and SNES pads or mouse
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*/
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if (gc->pads[GC_NES] || gc->pads[GC_SNES] || gc->pads[GC_SNESMOUSE])
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if (gc->pad_count[GC_NES] ||
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gc->pad_count[GC_SNES] ||
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gc->pad_count[GC_SNESMOUSE]) {
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gc_nes_process_packet(gc);
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}
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/*
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* Multi and Multi2 joysticks
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*/
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if (gc->pads[GC_MULTI] || gc->pads[GC_MULTI2])
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if (gc->pad_count[GC_MULTI] || gc->pad_count[GC_MULTI2])
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gc_multi_process_packet(gc);
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/*
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* PSX controllers
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*/
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if (gc->pads[GC_PSX] || gc->pads[GC_DDR])
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if (gc->pad_count[GC_PSX] || gc->pad_count[GC_DDR])
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gc_psx_process_packet(gc);
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mod_timer(&gc->timer, jiffies + GC_REFRESH_TIME);
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@ -773,26 +812,29 @@ static void gc_close(struct input_dev *dev)
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static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
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{
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struct gc_pad *pad = &gc->pads[idx];
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struct input_dev *input_dev;
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int i;
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int err;
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if (!pad_type)
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return 0;
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if (pad_type < 1 || pad_type > GC_MAX) {
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printk(KERN_WARNING "gamecon.c: Pad type %d unknown\n", pad_type);
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return -EINVAL;
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}
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gc->dev[idx] = input_dev = input_allocate_device();
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pad->dev = input_dev = input_allocate_device();
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if (!input_dev) {
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printk(KERN_ERR "gamecon.c: Not enough memory for input device\n");
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return -ENOMEM;
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}
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pad->type = pad_type;
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snprintf(pad->phys, sizeof(pad->phys),
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"%s/input%d", gc->pd->port->name, idx);
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input_dev->name = gc_names[pad_type];
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input_dev->phys = gc->phys[idx];
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input_dev->phys = pad->phys;
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input_dev->id.bustype = BUS_PARPORT;
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input_dev->id.vendor = 0x0001;
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input_dev->id.product = pad_type;
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@ -811,8 +853,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
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} else
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input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
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gc->pads[0] |= gc_status_bit[idx];
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gc->pads[pad_type] |= gc_status_bit[idx];
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gc->pad_count[pad_type]++;
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switch (pad_type) {
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@ -828,8 +869,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
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err = gc_n64_init_ff(input_dev, idx);
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if (err) {
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printk(KERN_WARNING "gamecon.c: Failed to initiate rumble for N64 device %d\n", idx);
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input_free_device(input_dev);
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return err;
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goto err_free_dev;
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}
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break;
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@ -873,7 +913,16 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
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break;
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}
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err = input_register_device(pad->dev);
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if (err)
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goto err_free_dev;
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return 0;
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err_free_dev:
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input_free_device(pad->dev);
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pad->dev = NULL;
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return err;
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}
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static struct gc __init *gc_probe(int parport, int *pads, int n_pads)
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@ -882,6 +931,7 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads)
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struct parport *pp;
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struct pardevice *pd;
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int i;
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int count = 0;
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int err;
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pp = parport_find_number(parport);
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@ -913,18 +963,14 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads)
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if (!pads[i])
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continue;
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snprintf(gc->phys[i], sizeof(gc->phys[i]),
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"%s/input%d", gc->pd->port->name, i);
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err = gc_setup_pad(gc, i, pads[i]);
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if (err)
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goto err_unreg_devs;
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err = input_register_device(gc->dev[i]);
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if (err)
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goto err_free_dev;
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count++;
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}
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if (!gc->pads[0]) {
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if (count == 0) {
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printk(KERN_ERR "gamecon.c: No valid devices specified\n");
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err = -EINVAL;
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goto err_free_gc;
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@ -933,12 +979,10 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads)
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parport_put_port(pp);
|
||||
return gc;
|
||||
|
||||
err_free_dev:
|
||||
input_free_device(gc->dev[i]);
|
||||
err_unreg_devs:
|
||||
while (--i >= 0)
|
||||
if (gc->dev[i])
|
||||
input_unregister_device(gc->dev[i]);
|
||||
if (gc->pads[i].dev)
|
||||
input_unregister_device(gc->pads[i].dev);
|
||||
err_free_gc:
|
||||
kfree(gc);
|
||||
err_unreg_pardev:
|
||||
@ -954,8 +998,8 @@ static void gc_remove(struct gc *gc)
|
||||
int i;
|
||||
|
||||
for (i = 0; i < GC_MAX_DEVICES; i++)
|
||||
if (gc->dev[i])
|
||||
input_unregister_device(gc->dev[i]);
|
||||
if (gc->pads[i].dev)
|
||||
input_unregister_device(gc->pads[i].dev);
|
||||
parport_unregister_device(gc->pd);
|
||||
kfree(gc);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user