diff options
| -rw-r--r-- | drivers/input/joystick/gamecon.c | 343 |
1 files changed, 194 insertions, 149 deletions
diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index 7df2d82f2c83..d9757452c93a 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -159,6 +159,48 @@ static void gc_n64_read_packet(struct gc *gc, unsigned char *data) } +static void gc_n64_process_packet(struct gc *gc) +{ + unsigned char data[GC_N64_LENGTH]; + signed char axes[2]; + struct input_dev *dev; + int i, j, s; + + gc_n64_read_packet(gc, data); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + s = gc_status_bit[i]; + + if (s & gc->pads[GC_N64] & ~(data[8] | data[9])) { + + axes[0] = axes[1] = 0; + + for (j = 0; j < 8; j++) { + if (data[23 - j] & s) + axes[0] |= 1 << j; + if (data[31 - j] & s) + axes[1] |= 1 << j; + } + + input_report_abs(dev, ABS_X, axes[0]); + input_report_abs(dev, ABS_Y, -axes[1]); + + input_report_abs(dev, ABS_HAT0X, !(s & data[6]) - !(s & data[7])); + input_report_abs(dev, ABS_HAT0Y, !(s & data[4]) - !(s & data[5])); + + for (j = 0; j < 10; j++) + input_report_key(dev, gc_n64_btn[j], s & data[gc_n64_bytes[j]]); + + input_sync(dev); + } + } +} + /* * NES/SNES support. */ @@ -198,6 +240,39 @@ static void gc_nes_read_packet(struct gc *gc, int length, unsigned char *data) } } +static void gc_nes_process_packet(struct gc *gc) +{ + unsigned char data[GC_SNES_LENGTH]; + struct input_dev *dev; + int i, j, s; + + gc_nes_read_packet(gc, gc->pads[GC_SNES] ? GC_SNES_LENGTH : GC_NES_LENGTH, data); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + s = gc_status_bit[i]; + + if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) { + input_report_abs(dev, ABS_X, !(s & data[6]) - !(s & data[7])); + input_report_abs(dev, ABS_Y, !(s & data[4]) - !(s & data[5])); + } + + if (s & gc->pads[GC_NES]) + for (j = 0; j < 4; j++) + input_report_key(dev, gc_snes_btn[j], s & data[gc_nes_bytes[j]]); + + if (s & gc->pads[GC_SNES]) + for (j = 0; j < 8; j++) + input_report_key(dev, gc_snes_btn[j], s & data[gc_snes_bytes[j]]); + + input_sync(dev); + } +} + /* * Multisystem joystick support */ @@ -219,6 +294,35 @@ static void gc_multi_read_packet(struct gc *gc, int length, unsigned char *data) } } +static void gc_multi_process_packet(struct gc *gc) +{ + unsigned char data[GC_MULTI2_LENGTH]; + struct input_dev *dev; + int i, s; + + gc_multi_read_packet(gc, gc->pads[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH, data); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + s = gc_status_bit[i]; + + if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) { + input_report_abs(dev, ABS_X, !(s & data[2]) - !(s & data[3])); + input_report_abs(dev, ABS_Y, !(s & data[0]) - !(s & data[1])); + input_report_key(dev, BTN_TRIGGER, s & data[4]); + } + + if (s & gc->pads[GC_MULTI2]) + input_report_key(dev, BTN_THUMB, s & data[5]); + + input_sync(dev); + } +} + /* * PSX support * @@ -263,10 +367,11 @@ static short gc_psx_ddr_btn[] = { BTN_0, BTN_1, BTN_2, BTN_3 }; * the psx pad. */ -static void gc_psx_command(struct gc *gc, int b, unsigned char data[5]) +static void gc_psx_command(struct gc *gc, int b, unsigned char data[GC_MAX_DEVICES]) { int i, j, cmd, read; - for (i = 0; i < 5; i++) + + for (i = 0; i < GC_MAX_DEVICES; i++) data[i] = 0; for (i = 0; i < GC_PSX_LENGTH; i++, b >>= 1) { @@ -274,7 +379,7 @@ static void gc_psx_command(struct gc *gc, int b, unsigned char data[5]) parport_write_data(gc->pd->port, cmd | GC_PSX_POWER); udelay(gc_psx_delay); read = parport_read_status(gc->pd->port) ^ 0x80; - for (j = 0; j < 5; j++) + for (j = 0; j < GC_MAX_DEVICES; j++) data[j] |= (read & gc_status_bit[j] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) ? (1 << i) : 0; parport_write_data(gc->pd->port, cmd | GC_PSX_CLOCK | GC_PSX_POWER); udelay(gc_psx_delay); @@ -286,11 +391,12 @@ static void gc_psx_command(struct gc *gc, int b, unsigned char data[5]) * device identifier code. */ -static void gc_psx_read_packet(struct gc *gc, unsigned char data[5][GC_PSX_BYTES], unsigned char id[5]) +static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES][GC_PSX_BYTES], + unsigned char id[GC_MAX_DEVICES]) { int i, j, max_len = 0; unsigned long flags; - unsigned char data2[5]; + unsigned char data2[GC_MAX_DEVICES]; parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); /* Select pad */ udelay(gc_psx_delay); @@ -303,7 +409,7 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[5][GC_PSX_BYTES gc_psx_command(gc, 0x42, id); /* Get device ids */ gc_psx_command(gc, 0, data2); /* Dump status */ - for (i =0; i < 5; i++) /* Find the longest pad */ + for (i =0; i < GC_MAX_DEVICES; i++) /* Find the longest pad */ if((gc_status_bit[i] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) && (GC_PSX_LEN(id[i]) > max_len) && (GC_PSX_LEN(id[i]) <= GC_PSX_BYTES)) @@ -311,7 +417,7 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[5][GC_PSX_BYTES for (i = 0; i < max_len; i++) { /* Read in all the data */ gc_psx_command(gc, 0, data2); - for (j = 0; j < 5; j++) + for (j = 0; j < GC_MAX_DEVICES; j++) data[j][i] = data2[j]; } @@ -319,185 +425,124 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[5][GC_PSX_BYTES parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); - for(i = 0; i < 5; i++) /* Set id's to the real value */ + for(i = 0; i < GC_MAX_DEVICES; i++) /* Set id's to the real value */ id[i] = GC_PSX_ID(id[i]); } -/* - * gc_timer() reads and analyzes console pads data. - */ +static void gc_psx_process_packet(struct gc *gc) +{ + unsigned char data[GC_MAX_DEVICES][GC_PSX_BYTES]; + unsigned char id[GC_MAX_DEVICES]; + struct input_dev *dev; + int i, j; -#define GC_MAX_LENGTH GC_N64_LENGTH + gc_psx_read_packet(gc, data, id); -static void gc_timer(unsigned long private) -{ - struct gc *gc = (void *) private; - unsigned char data[GC_MAX_LENGTH]; - unsigned char data_psx[5][GC_PSX_BYTES]; - int i, j, s; + for (i = 0; i < GC_MAX_DEVICES; i++) { -/* - * N64 pads - must be read first, any read confuses them for 200 us - */ + dev = gc->dev[i]; + if (!dev) + continue; - if (gc->pads[GC_N64]) { + switch (id[i]) { - gc_n64_read_packet(gc, data); + case GC_PSX_RUMBLE: - for (i = 0; i < 5; i++) { + input_report_key(dev, BTN_THUMBL, ~data[i][0] & 0x04); + input_report_key(dev, BTN_THUMBR, ~data[i][0] & 0x02); - s = gc_status_bit[i]; + case GC_PSX_NEGCON: + case GC_PSX_ANALOG: - if (s & gc->pads[GC_N64] & ~(data[8] | data[9])) { + 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 { + for (j = 0; j < 4; j++) + input_report_abs(dev, gc_psx_abs[j + 2], data[i][j + 2]); - signed char axes[2]; - axes[0] = axes[1] = 0; + 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 (j = 0; j < 8; j++) { - if (data[23 - j] & s) axes[0] |= 1 << j; - if (data[31 - j] & s) axes[1] |= 1 << j; + 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 + */ } - input_report_abs(gc->dev[i], ABS_X, axes[0]); - input_report_abs(gc->dev[i], ABS_Y, -axes[1]); + for (j = 0; j < 8; j++) + input_report_key(dev, gc_psx_btn[j], ~data[i][1] & (1 << j)); - input_report_abs(gc->dev[i], ABS_HAT0X, !(s & data[6]) - !(s & data[7])); - input_report_abs(gc->dev[i], ABS_HAT0Y, !(s & data[4]) - !(s & data[5])); + input_report_key(dev, BTN_START, ~data[i][0] & 0x08); + input_report_key(dev, BTN_SELECT, ~data[i][0] & 0x01); - for (j = 0; j < 10; j++) - input_report_key(gc->dev[i], gc_n64_btn[j], s & data[gc_n64_bytes[j]]); + input_sync(dev); - input_sync(gc->dev[i]); - } + break; + + case 0: /* not a pad, ignore */ + break; } } +} /* - * NES and SNES pads + * gc_timer() initiates reads of console pads data. */ - if (gc->pads[GC_NES] || gc->pads[GC_SNES]) { - - gc_nes_read_packet(gc, gc->pads[GC_SNES] ? GC_SNES_LENGTH : GC_NES_LENGTH, data); - - for (i = 0; i < 5; i++) { - - s = gc_status_bit[i]; +static void gc_timer(unsigned long private) +{ + struct gc *gc = (void *) private; - if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) { - input_report_abs(gc->dev[i], ABS_X, !(s & data[6]) - !(s & data[7])); - input_report_abs(gc->dev[i], ABS_Y, !(s & data[4]) - !(s & data[5])); - } +/* + * N64 pads - must be read first, any read confuses them for 200 us + */ - if (s & gc->pads[GC_NES]) - for (j = 0; j < 4; j++) - input_report_key(gc->dev[i], gc_snes_btn[j], s & data[gc_nes_bytes[j]]); + if (gc->pads[GC_N64]) + gc_n64_process_packet(gc); - if (s & gc->pads[GC_SNES]) - for (j = 0; j < 8; j++) - input_report_key(gc->dev[i], gc_snes_btn[j], s & data[gc_snes_bytes[j]]); +/* + * NES and SNES pads + */ - input_sync(gc->dev[i]); - } - } + if (gc->pads[GC_NES] || gc->pads[GC_SNES]) + gc_nes_process_packet(gc); /* * Multi and Multi2 joysticks */ - if (gc->pads[GC_MULTI] || gc->pads[GC_MULTI2]) { - - gc_multi_read_packet(gc, gc->pads[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH, data); - - for (i = 0; i < 5; i++) { - - s = gc_status_bit[i]; - - if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) { - input_report_abs(gc->dev[i], ABS_X, !(s & data[2]) - !(s & data[3])); - input_report_abs(gc->dev[i], ABS_Y, !(s & data[0]) - !(s & data[1])); - input_report_key(gc->dev[i], BTN_TRIGGER, s & data[4]); - } - - if (s & gc->pads[GC_MULTI2]) - input_report_key(gc->dev[i], BTN_THUMB, s & data[5]); - - input_sync(gc->dev[i]); - } - } + if (gc->pads[GC_MULTI] || gc->pads[GC_MULTI2]) + gc_multi_process_packet(gc); /* * PSX controllers */ - if (gc->pads[GC_PSX] || gc->pads[GC_DDR]) { - - gc_psx_read_packet(gc, data_psx, data); - - for (i = 0; i < 5; i++) { - switch (data[i]) { - - case GC_PSX_RUMBLE: - - input_report_key(gc->dev[i], BTN_THUMBL, ~data_psx[i][0] & 0x04); - input_report_key(gc->dev[i], BTN_THUMBR, ~data_psx[i][0] & 0x02); - - case GC_PSX_NEGCON: - case GC_PSX_ANALOG: - - if (gc->pads[GC_DDR] & gc_status_bit[i]) { - for(j = 0; j < 4; j++) - input_report_key(gc->dev[i], gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j)); - } else { - for (j = 0; j < 4; j++) - input_report_abs(gc->dev[i], gc_psx_abs[j+2], data_psx[i][j + 2]); - - input_report_abs(gc->dev[i], ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128); - input_report_abs(gc->dev[i], ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128); - } - - for (j = 0; j < 8; j++) - input_report_key(gc->dev[i], gc_psx_btn[j], ~data_psx[i][1] & (1 << j)); - - input_report_key(gc->dev[i], BTN_START, ~data_psx[i][0] & 0x08); - input_report_key(gc->dev[i], BTN_SELECT, ~data_psx[i][0] & 0x01); - - input_sync(gc->dev[i]); - - break; - - case GC_PSX_NORMAL: - if (gc->pads[GC_DDR] & gc_status_bit[i]) { - for(j = 0; j < 4; j++) - input_report_key(gc->dev[i], gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j)); - } else { - input_report_abs(gc->dev[i], ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128); - input_report_abs(gc->dev[i], ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[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(gc->dev[i], 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(gc->dev[i], gc_psx_btn[j], ~data_psx[i][1] & (1 << j)); - - input_report_key(gc->dev[i], BTN_START, ~data_psx[i][0] & 0x08); - input_report_key(gc->dev[i], BTN_SELECT, ~data_psx[i][0] & 0x01); - - input_sync(gc->dev[i]); - - break; - - case 0: /* not a pad, ignore */ - break; - } - } - } + if (gc->pads[GC_PSX] || gc->pads[GC_DDR]) + gc_psx_process_packet(gc); mod_timer(&gc->timer, jiffies + GC_REFRESH_TIME); } @@ -654,7 +699,7 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads) gc->timer.data = (long) gc; gc->timer.function = gc_timer; - for (i = 0; i < n_pads; i++) { + for (i = 0; i < n_pads && i < GC_MAX_DEVICES; i++) { if (!pads[i]) continue; |