diff options
Diffstat (limited to 'nvkm/subdev/bios/gpio.c')
| -rw-r--r-- | nvkm/subdev/bios/gpio.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/nvkm/subdev/bios/gpio.c b/nvkm/subdev/bios/gpio.c deleted file mode 100644 index 172a4f999..000000000 --- a/nvkm/subdev/bios/gpio.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Copyright 2012 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Ben Skeggs - */ - -#include <subdev/bios.h> -#include <subdev/bios/dcb.h> -#include <subdev/bios/gpio.h> -#include <subdev/bios/xpio.h> - -u16 -dcb_gpio_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) -{ - u16 data = 0x0000; - u16 dcb = dcb_table(bios, ver, hdr, cnt, len); - if (dcb) { - if (*ver >= 0x30 && *hdr >= 0x0c) - data = nv_ro16(bios, dcb + 0x0a); - else - if (*ver >= 0x22 && nv_ro08(bios, dcb - 1) >= 0x13) - data = nv_ro16(bios, dcb - 0x0f); - - if (data) { - *ver = nv_ro08(bios, data + 0x00); - if (*ver < 0x30) { - *hdr = 3; - *cnt = nv_ro08(bios, data + 0x02); - *len = nv_ro08(bios, data + 0x01); - } else - if (*ver <= 0x41) { - *hdr = nv_ro08(bios, data + 0x01); - *cnt = nv_ro08(bios, data + 0x02); - *len = nv_ro08(bios, data + 0x03); - } else { - data = 0x0000; - } - } - } - return data; -} - -u16 -dcb_gpio_entry(struct nouveau_bios *bios, int idx, int ent, u8 *ver, u8 *len) -{ - u8 hdr, cnt, xver; /* use gpio version for xpio entry parsing */ - u16 gpio; - - if (!idx--) - gpio = dcb_gpio_table(bios, ver, &hdr, &cnt, len); - else - gpio = dcb_xpio_table(bios, idx, &xver, &hdr, &cnt, len); - - if (gpio && ent < cnt) - return gpio + hdr + (ent * *len); - return 0x0000; -} - -u16 -dcb_gpio_parse(struct nouveau_bios *bios, int idx, int ent, u8 *ver, u8 *len, - struct dcb_gpio_func *gpio) -{ - u16 data = dcb_gpio_entry(bios, idx, ent, ver, len); - if (data) { - if (*ver < 0x40) { - u16 info = nv_ro16(bios, data); - *gpio = (struct dcb_gpio_func) { - .line = (info & 0x001f) >> 0, - .func = (info & 0x07e0) >> 5, - .log[0] = (info & 0x1800) >> 11, - .log[1] = (info & 0x6000) >> 13, - .param = !!(info & 0x8000), - }; - } else - if (*ver < 0x41) { - u32 info = nv_ro32(bios, data); - *gpio = (struct dcb_gpio_func) { - .line = (info & 0x0000001f) >> 0, - .func = (info & 0x0000ff00) >> 8, - .log[0] = (info & 0x18000000) >> 27, - .log[1] = (info & 0x60000000) >> 29, - .param = !!(info & 0x80000000), - }; - } else { - u32 info = nv_ro32(bios, data + 0); - u8 info1 = nv_ro32(bios, data + 4); - *gpio = (struct dcb_gpio_func) { - .line = (info & 0x0000003f) >> 0, - .func = (info & 0x0000ff00) >> 8, - .log[0] = (info1 & 0x30) >> 4, - .log[1] = (info1 & 0xc0) >> 6, - .param = !!(info & 0x80000000), - }; - } - } - - return data; -} - -u16 -dcb_gpio_match(struct nouveau_bios *bios, int idx, u8 func, u8 line, - u8 *ver, u8 *len, struct dcb_gpio_func *gpio) -{ - u8 hdr, cnt, i = 0; - u16 data; - - while ((data = dcb_gpio_parse(bios, idx, i++, ver, len, gpio))) { - if ((line == 0xff || line == gpio->line) && - (func == 0xff || func == gpio->func)) - return data; - } - - /* DCB 2.2, fixed TVDAC GPIO data */ - if ((data = dcb_table(bios, ver, &hdr, &cnt, len))) { - if (*ver >= 0x22 && *ver < 0x30 && func == DCB_GPIO_TVDAC0) { - u8 conf = nv_ro08(bios, data - 5); - u8 addr = nv_ro08(bios, data - 4); - if (conf & 0x01) { - *gpio = (struct dcb_gpio_func) { - .func = DCB_GPIO_TVDAC0, - .line = addr >> 4, - .log[0] = !!(conf & 0x02), - .log[1] = !(conf & 0x02), - }; - *ver = 0x00; - return data; - } - } - } - - return 0x0000; -} |