drm/nouveau/i2c: port to subdev interfaces (original) (raw)

Thu Feb 13 01:51:26 PST 2014

drivers/gpu/drm/nouveau/core/engine/disp/vga.c:42 nv_rdport()
warn: we tested 'port == 962' before and it was 'false'
43              port == 0x03c4 || port == 0x03c5 || /* SR */
44              port == 0x03ce || port == 0x03cf) { /* GR */
45                  if (device->card_type < NV_40)
46                          head = 0; /* CR44 selects head */
47                  return nv_rd08(obj, 0x0c0000 + (head * 0x2000) + port);
48          }
49  
50          nv_error(obj, "unknown vga port 0x%04x\n", port);
51          return 0x00;
52  }
53  
54  void
55  nv_wrport(void *obj, int head, u16 port, u8 data)
56  {
57          struct nouveau_device *device = nv_device(obj);
58  
59          if (device->card_type >= NV_50)
60                  nv_wr08(obj, 0x601000 + port, data);
61          else
62          if (port == 0x03c0 || port == 0x03c1 || /* AR */
63              port == 0x03c2 || port == 0x03da || /* INP0 */
                        ^^^^^^
64              port == 0x03d4 || port == 0x03d5)   /* CR */
65                  nv_wr08(obj, 0x601000 + (head * 0x2000) + port, data);
66          else
67          if (port == 0x03c2 || port == 0x03cc || /* MISC */
                        ^^^^^^
68              port == 0x03c4 || port == 0x03c5 || /* SR */
69              port == 0x03ce || port == 0x03cf) { /* GR */
70                  if (device->card_type < NV_40)
71                          head = 0; /* CR44 selects head */
72                  nv_wr08(obj, 0x0c0000 + (head * 0x2000) + port, data);
73          } else