X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Finclude%2Fnvkm%2Fsubdev%2Fbios%2Fgpio.h;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Finclude%2Fnvkm%2Fsubdev%2Fbios%2Fgpio.h;h=33be260ddd38338d5caaa29e2deb939f7c4ebf08;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h
new file mode 100644
index 000000000..33be260dd
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h
@@ -0,0 +1,46 @@
+#ifndef __NVBIOS_GPIO_H__
+#define __NVBIOS_GPIO_H__
+enum dcb_gpio_func_name {
+	DCB_GPIO_PANEL_POWER = 0x01,
+	DCB_GPIO_TVDAC0 = 0x0c,
+	DCB_GPIO_TVDAC1 = 0x2d,
+	DCB_GPIO_FAN = 0x09,
+	DCB_GPIO_FAN_SENSE = 0x3d,
+	DCB_GPIO_UNUSED = 0xff,
+	DCB_GPIO_VID0 = 0x04,
+	DCB_GPIO_VID1 = 0x05,
+	DCB_GPIO_VID2 = 0x06,
+	DCB_GPIO_VID3 = 0x1a,
+	DCB_GPIO_VID4 = 0x73,
+	DCB_GPIO_VID5 = 0x74,
+	DCB_GPIO_VID6 = 0x75,
+	DCB_GPIO_VID7 = 0x76,
+};
+
+#define DCB_GPIO_LOG_DIR     0x02
+#define DCB_GPIO_LOG_DIR_OUT 0x00
+#define DCB_GPIO_LOG_DIR_IN  0x02
+#define DCB_GPIO_LOG_VAL     0x01
+#define DCB_GPIO_LOG_VAL_LO  0x00
+#define DCB_GPIO_LOG_VAL_HI  0x01
+
+struct dcb_gpio_func {
+	u8 func;
+	u8 line;
+	u8 log[2];
+
+	/* so far, "param" seems to only have an influence on PWM-related
+	 * GPIOs such as FAN_CONTROL and PANEL_BACKLIGHT_LEVEL.
+	 * if param equals 1, hardware PWM is available
+	 * if param equals 0, the host should toggle the GPIO itself
+	 */
+	u8 param;
+};
+
+u16 dcb_gpio_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
+u16 dcb_gpio_entry(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len);
+u16 dcb_gpio_parse(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len,
+		   struct dcb_gpio_func *);
+u16 dcb_gpio_match(struct nvkm_bios *, int idx, u8 func, u8 line,
+		   u8 *ver, u8 *len, struct dcb_gpio_func *);
+#endif