116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright 2010 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __NOUVEAU_HWSQ_H__
|
||
|
|
#define __NOUVEAU_HWSQ_H__
|
||
|
|
|
||
|
|
struct hwsq_ucode {
|
||
|
|
u8 data[0x200];
|
||
|
|
union {
|
||
|
|
u8 *u08;
|
||
|
|
u16 *u16;
|
||
|
|
u32 *u32;
|
||
|
|
} ptr;
|
||
|
|
u16 len;
|
||
|
|
|
||
|
|
u32 reg;
|
||
|
|
u32 val;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
hwsq_init(struct hwsq_ucode *hwsq)
|
||
|
|
{
|
||
|
|
hwsq->ptr.u08 = hwsq->data;
|
||
|
|
hwsq->reg = 0xffffffff;
|
||
|
|
hwsq->val = 0xffffffff;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
hwsq_fini(struct hwsq_ucode *hwsq)
|
||
|
|
{
|
||
|
|
do {
|
||
|
|
*hwsq->ptr.u08++ = 0x7f;
|
||
|
|
hwsq->len = hwsq->ptr.u08 - hwsq->data;
|
||
|
|
} while (hwsq->len & 3);
|
||
|
|
hwsq->ptr.u08 = hwsq->data;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
hwsq_usec(struct hwsq_ucode *hwsq, u8 usec)
|
||
|
|
{
|
||
|
|
u32 shift = 0;
|
||
|
|
while (usec & ~3) {
|
||
|
|
usec >>= 2;
|
||
|
|
shift++;
|
||
|
|
}
|
||
|
|
|
||
|
|
*hwsq->ptr.u08++ = (shift << 2) | usec;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
hwsq_setf(struct hwsq_ucode *hwsq, u8 flag, int val)
|
||
|
|
{
|
||
|
|
flag += 0x80;
|
||
|
|
if (val >= 0)
|
||
|
|
flag += 0x20;
|
||
|
|
if (val >= 1)
|
||
|
|
flag += 0x20;
|
||
|
|
*hwsq->ptr.u08++ = flag;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
hwsq_op5f(struct hwsq_ucode *hwsq, u8 v0, u8 v1)
|
||
|
|
{
|
||
|
|
*hwsq->ptr.u08++ = 0x5f;
|
||
|
|
*hwsq->ptr.u08++ = v0;
|
||
|
|
*hwsq->ptr.u08++ = v1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
hwsq_wr32(struct hwsq_ucode *hwsq, u32 reg, u32 val)
|
||
|
|
{
|
||
|
|
if (val != hwsq->val) {
|
||
|
|
if ((val & 0xffff0000) == (hwsq->val & 0xffff0000)) {
|
||
|
|
*hwsq->ptr.u08++ = 0x42;
|
||
|
|
*hwsq->ptr.u16++ = (val & 0x0000ffff);
|
||
|
|
} else {
|
||
|
|
*hwsq->ptr.u08++ = 0xe2;
|
||
|
|
*hwsq->ptr.u32++ = val;
|
||
|
|
}
|
||
|
|
|
||
|
|
hwsq->val = val;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((reg & 0xffff0000) == (hwsq->reg & 0xffff0000)) {
|
||
|
|
*hwsq->ptr.u08++ = 0x40;
|
||
|
|
*hwsq->ptr.u16++ = (reg & 0x0000ffff);
|
||
|
|
} else {
|
||
|
|
*hwsq->ptr.u08++ = 0xe0;
|
||
|
|
*hwsq->ptr.u32++ = reg;
|
||
|
|
}
|
||
|
|
hwsq->reg = reg;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|