aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c104
1 files changed, 6 insertions, 98 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c
index 4cdf1c489353..18776f49355c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c
@@ -22,107 +22,15 @@
* Authors: Ben Skeggs
*/
#include "priv.h"
-
-#include <subdev/vga.h>
-
-struct nv04_i2c_priv {
- struct nvkm_i2c base;
-};
-
-struct nv04_i2c_port {
- struct nvkm_i2c_port base;
- u8 drive;
- u8 sense;
-};
-
-static void
-nv04_i2c_drive_scl(struct nvkm_i2c_port *base, int state)
-{
- struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base);
- struct nv04_i2c_port *port = (void *)base;
- u8 val = nv_rdvgac(priv, 0, port->drive);
- if (state) val |= 0x20;
- else val &= 0xdf;
- nv_wrvgac(priv, 0, port->drive, val | 0x01);
-}
-
-static void
-nv04_i2c_drive_sda(struct nvkm_i2c_port *base, int state)
-{
- struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base);
- struct nv04_i2c_port *port = (void *)base;
- u8 val = nv_rdvgac(priv, 0, port->drive);
- if (state) val |= 0x10;
- else val &= 0xef;
- nv_wrvgac(priv, 0, port->drive, val | 0x01);
-}
-
-static int
-nv04_i2c_sense_scl(struct nvkm_i2c_port *base)
-{
- struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base);
- struct nv04_i2c_port *port = (void *)base;
- return !!(nv_rdvgac(priv, 0, port->sense) & 0x04);
-}
-
-static int
-nv04_i2c_sense_sda(struct nvkm_i2c_port *base)
-{
- struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base);
- struct nv04_i2c_port *port = (void *)base;
- return !!(nv_rdvgac(priv, 0, port->sense) & 0x08);
-}
+#include "pad.h"
static const struct nvkm_i2c_func
-nv04_i2c_func = {
- .drive_scl = nv04_i2c_drive_scl,
- .drive_sda = nv04_i2c_drive_sda,
- .sense_scl = nv04_i2c_sense_scl,
- .sense_sda = nv04_i2c_sense_sda,
+nv04_i2c = {
+ .pad_x_new = nv04_i2c_pad_new,
};
-static int
-nv04_i2c_port_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 index,
- struct nvkm_object **pobject)
+int
+nv04_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
{
- struct dcb_i2c_entry *info = data;
- struct nv04_i2c_port *port;
- int ret;
-
- ret = nvkm_i2c_port_create(parent, engine, oclass, index,
- &nvkm_i2c_bit_algo, &nv04_i2c_func, &port);
- *pobject = nv_object(port);
- if (ret)
- return ret;
-
- port->drive = info->drive;
- port->sense = info->sense;
- return 0;
+ return nvkm_i2c_new_(&nv04_i2c, device, index, pi2c);
}
-
-static struct nvkm_oclass
-nv04_i2c_sclass[] = {
- { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NV04_BIT),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv04_i2c_port_ctor,
- .dtor = _nvkm_i2c_port_dtor,
- .init = _nvkm_i2c_port_init,
- .fini = _nvkm_i2c_port_fini,
- },
- },
- {}
-};
-
-struct nvkm_oclass *
-nv04_i2c_oclass = &(struct nvkm_i2c_impl) {
- .base.handle = NV_SUBDEV(I2C, 0x04),
- .base.ofuncs = &(struct nvkm_ofuncs) {
- .ctor = _nvkm_i2c_ctor,
- .dtor = _nvkm_i2c_dtor,
- .init = _nvkm_i2c_init,
- .fini = _nvkm_i2c_fini,
- },
- .sclass = nv04_i2c_sclass,
- .pad_x = &nv04_i2c_pad_oclass,
-}.base;