summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c227
1 files changed, 112 insertions, 115 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
index b58f4786e407..2b44ff444909 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
@@ -29,33 +29,32 @@
#include <subdev/bios/pll.h>
static u32
-read_div(struct nv50_clk_priv *priv)
+read_div(struct nv50_clk *clk)
{
- switch (nv_device(priv)->chipset) {
+ switch (nv_device(clk)->chipset) {
case 0x50: /* it exists, but only has bit 31, not the dividers.. */
case 0x84:
case 0x86:
case 0x98:
case 0xa0:
- return nv_rd32(priv, 0x004700);
+ return nv_rd32(clk, 0x004700);
case 0x92:
case 0x94:
case 0x96:
- return nv_rd32(priv, 0x004800);
+ return nv_rd32(clk, 0x004800);
default:
return 0x00000000;
}
}
static u32
-read_pll_src(struct nv50_clk_priv *priv, u32 base)
+read_pll_src(struct nv50_clk *clk, u32 base)
{
- struct nvkm_clk *clk = &priv->base;
- u32 coef, ref = clk->read(clk, nv_clk_src_crystal);
- u32 rsel = nv_rd32(priv, 0x00e18c);
+ u32 coef, ref = clk->base.read(&clk->base, nv_clk_src_crystal);
+ u32 rsel = nv_rd32(clk, 0x00e18c);
int P, N, M, id;
- switch (nv_device(priv)->chipset) {
+ switch (nv_device(clk)->chipset) {
case 0x50:
case 0xa0:
switch (base) {
@@ -64,11 +63,11 @@ read_pll_src(struct nv50_clk_priv *priv, u32 base)
case 0x4008: id = !!(rsel & 0x00000008); break;
case 0x4030: id = 0; break;
default:
- nv_error(priv, "ref: bad pll 0x%06x\n", base);
+ nv_error(clk, "ref: bad pll 0x%06x\n", base);
return 0;
}
- coef = nv_rd32(priv, 0x00e81c + (id * 0x0c));
+ coef = nv_rd32(clk, 0x00e81c + (id * 0x0c));
ref *= (coef & 0x01000000) ? 2 : 4;
P = (coef & 0x00070000) >> 16;
N = ((coef & 0x0000ff00) >> 8) + 1;
@@ -77,7 +76,7 @@ read_pll_src(struct nv50_clk_priv *priv, u32 base)
case 0x84:
case 0x86:
case 0x92:
- coef = nv_rd32(priv, 0x00e81c);
+ coef = nv_rd32(clk, 0x00e81c);
P = (coef & 0x00070000) >> 16;
N = (coef & 0x0000ff00) >> 8;
M = (coef & 0x000000ff) >> 0;
@@ -85,26 +84,26 @@ read_pll_src(struct nv50_clk_priv *priv, u32 base)
case 0x94:
case 0x96:
case 0x98:
- rsel = nv_rd32(priv, 0x00c050);
+ rsel = nv_rd32(clk, 0x00c050);
switch (base) {
case 0x4020: rsel = (rsel & 0x00000003) >> 0; break;
case 0x4008: rsel = (rsel & 0x0000000c) >> 2; break;
case 0x4028: rsel = (rsel & 0x00001800) >> 11; break;
case 0x4030: rsel = 3; break;
default:
- nv_error(priv, "ref: bad pll 0x%06x\n", base);
+ nv_error(clk, "ref: bad pll 0x%06x\n", base);
return 0;
}
switch (rsel) {
case 0: id = 1; break;
- case 1: return clk->read(clk, nv_clk_src_crystal);
- case 2: return clk->read(clk, nv_clk_src_href);
+ case 1: return clk->base.read(&clk->base, nv_clk_src_crystal);
+ case 2: return clk->base.read(&clk->base, nv_clk_src_href);
case 3: id = 0; break;
}
- coef = nv_rd32(priv, 0x00e81c + (id * 0x28));
- P = (nv_rd32(priv, 0x00e824 + (id * 0x28)) >> 16) & 7;
+ coef = nv_rd32(clk, 0x00e81c + (id * 0x28));
+ P = (nv_rd32(clk, 0x00e824 + (id * 0x28)) >> 16) & 7;
P += (coef & 0x00070000) >> 16;
N = (coef & 0x0000ff00) >> 8;
M = (coef & 0x000000ff) >> 0;
@@ -120,10 +119,9 @@ read_pll_src(struct nv50_clk_priv *priv, u32 base)
}
static u32
-read_pll_ref(struct nv50_clk_priv *priv, u32 base)
+read_pll_ref(struct nv50_clk *clk, u32 base)
{
- struct nvkm_clk *clk = &priv->base;
- u32 src, mast = nv_rd32(priv, 0x00c040);
+ u32 src, mast = nv_rd32(clk, 0x00c040);
switch (base) {
case 0x004028:
@@ -139,33 +137,32 @@ read_pll_ref(struct nv50_clk_priv *priv, u32 base)
src = !!(mast & 0x02000000);
break;
case 0x00e810:
- return clk->read(clk, nv_clk_src_crystal);
+ return clk->base.read(&clk->base, nv_clk_src_crystal);
default:
- nv_error(priv, "bad pll 0x%06x\n", base);
+ nv_error(clk, "bad pll 0x%06x\n", base);
return 0;
}
if (src)
- return clk->read(clk, nv_clk_src_href);
+ return clk->base.read(&clk->base, nv_clk_src_href);
- return read_pll_src(priv, base);
+ return read_pll_src(clk, base);
}
static u32
-read_pll(struct nv50_clk_priv *priv, u32 base)
+read_pll(struct nv50_clk *clk, u32 base)
{
- struct nvkm_clk *clk = &priv->base;
- u32 mast = nv_rd32(priv, 0x00c040);
- u32 ctrl = nv_rd32(priv, base + 0);
- u32 coef = nv_rd32(priv, base + 4);
- u32 ref = read_pll_ref(priv, base);
+ u32 mast = nv_rd32(clk, 0x00c040);
+ u32 ctrl = nv_rd32(clk, base + 0);
+ u32 coef = nv_rd32(clk, base + 4);
+ u32 ref = read_pll_ref(clk, base);
u32 freq = 0;
int N1, N2, M1, M2;
if (base == 0x004028 && (mast & 0x00100000)) {
/* wtf, appears to only disable post-divider on gt200 */
- if (nv_device(priv)->chipset != 0xa0)
- return clk->read(clk, nv_clk_src_dom6);
+ if (nv_device(clk)->chipset != 0xa0)
+ return clk->base.read(&clk->base, nv_clk_src_dom6);
}
N2 = (coef & 0xff000000) >> 24;
@@ -186,70 +183,70 @@ read_pll(struct nv50_clk_priv *priv, u32 base)
}
static int
-nv50_clk_read(struct nvkm_clk *clk, enum nv_clk_src src)
+nv50_clk_read(struct nvkm_clk *obj, enum nv_clk_src src)
{
- struct nv50_clk_priv *priv = (void *)clk;
- u32 mast = nv_rd32(priv, 0x00c040);
+ struct nv50_clk *clk = container_of(obj, typeof(*clk), base);
+ u32 mast = nv_rd32(clk, 0x00c040);
u32 P = 0;
switch (src) {
case nv_clk_src_crystal:
- return nv_device(priv)->crystal;
+ return nv_device(clk)->crystal;
case nv_clk_src_href:
return 100000; /* PCIE reference clock */
case nv_clk_src_hclk:
- return div_u64((u64)clk->read(clk, nv_clk_src_href) * 27778, 10000);
+ return div_u64((u64)clk->base.read(&clk->base, nv_clk_src_href) * 27778, 10000);
case nv_clk_src_hclkm3:
- return clk->read(clk, nv_clk_src_hclk) * 3;
+ return clk->base.read(&clk->base, nv_clk_src_hclk) * 3;
case nv_clk_src_hclkm3d2:
- return clk->read(clk, nv_clk_src_hclk) * 3 / 2;
+ return clk->base.read(&clk->base, nv_clk_src_hclk) * 3 / 2;
case nv_clk_src_host:
switch (mast & 0x30000000) {
- case 0x00000000: return clk->read(clk, nv_clk_src_href);
+ case 0x00000000: return clk->base.read(&clk->base, nv_clk_src_href);
case 0x10000000: break;
case 0x20000000: /* !0x50 */
- case 0x30000000: return clk->read(clk, nv_clk_src_hclk);
+ case 0x30000000: return clk->base.read(&clk->base, nv_clk_src_hclk);
}
break;
case nv_clk_src_core:
if (!(mast & 0x00100000))
- P = (nv_rd32(priv, 0x004028) & 0x00070000) >> 16;
+ P = (nv_rd32(clk, 0x004028) & 0x00070000) >> 16;
switch (mast & 0x00000003) {
- case 0x00000000: return clk->read(clk, nv_clk_src_crystal) >> P;
- case 0x00000001: return clk->read(clk, nv_clk_src_dom6);
- case 0x00000002: return read_pll(priv, 0x004020) >> P;
- case 0x00000003: return read_pll(priv, 0x004028) >> P;
+ case 0x00000000: return clk->base.read(&clk->base, nv_clk_src_crystal) >> P;
+ case 0x00000001: return clk->base.read(&clk->base, nv_clk_src_dom6);
+ case 0x00000002: return read_pll(clk, 0x004020) >> P;
+ case 0x00000003: return read_pll(clk, 0x004028) >> P;
}
break;
case nv_clk_src_shader:
- P = (nv_rd32(priv, 0x004020) & 0x00070000) >> 16;
+ P = (nv_rd32(clk, 0x004020) & 0x00070000) >> 16;
switch (mast & 0x00000030) {
case 0x00000000:
if (mast & 0x00000080)
- return clk->read(clk, nv_clk_src_host) >> P;
- return clk->read(clk, nv_clk_src_crystal) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_host) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_crystal) >> P;
case 0x00000010: break;
- case 0x00000020: return read_pll(priv, 0x004028) >> P;
- case 0x00000030: return read_pll(priv, 0x004020) >> P;
+ case 0x00000020: return read_pll(clk, 0x004028) >> P;
+ case 0x00000030: return read_pll(clk, 0x004020) >> P;
}
break;
case nv_clk_src_mem:
- P = (nv_rd32(priv, 0x004008) & 0x00070000) >> 16;
- if (nv_rd32(priv, 0x004008) & 0x00000200) {
+ P = (nv_rd32(clk, 0x004008) & 0x00070000) >> 16;
+ if (nv_rd32(clk, 0x004008) & 0x00000200) {
switch (mast & 0x0000c000) {
case 0x00000000:
- return clk->read(clk, nv_clk_src_crystal) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_crystal) >> P;
case 0x00008000:
case 0x0000c000:
- return clk->read(clk, nv_clk_src_href) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_href) >> P;
}
} else {
- return read_pll(priv, 0x004008) >> P;
+ return read_pll(clk, 0x004008) >> P;
}
break;
case nv_clk_src_vdec:
- P = (read_div(priv) & 0x00000700) >> 8;
- switch (nv_device(priv)->chipset) {
+ P = (read_div(clk) & 0x00000700) >> 8;
+ switch (nv_device(clk)->chipset) {
case 0x84:
case 0x86:
case 0x92:
@@ -258,51 +255,51 @@ nv50_clk_read(struct nvkm_clk *clk, enum nv_clk_src src)
case 0xa0:
switch (mast & 0x00000c00) {
case 0x00000000:
- if (nv_device(priv)->chipset == 0xa0) /* wtf?? */
- return clk->read(clk, nv_clk_src_core) >> P;
- return clk->read(clk, nv_clk_src_crystal) >> P;
+ if (nv_device(clk)->chipset == 0xa0) /* wtf?? */
+ return clk->base.read(&clk->base, nv_clk_src_core) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_crystal) >> P;
case 0x00000400:
return 0;
case 0x00000800:
if (mast & 0x01000000)
- return read_pll(priv, 0x004028) >> P;
- return read_pll(priv, 0x004030) >> P;
+ return read_pll(clk, 0x004028) >> P;
+ return read_pll(clk, 0x004030) >> P;
case 0x00000c00:
- return clk->read(clk, nv_clk_src_core) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_core) >> P;
}
break;
case 0x98:
switch (mast & 0x00000c00) {
case 0x00000000:
- return clk->read(clk, nv_clk_src_core) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_core) >> P;
case 0x00000400:
return 0;
case 0x00000800:
- return clk->read(clk, nv_clk_src_hclkm3d2) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_hclkm3d2) >> P;
case 0x00000c00:
- return clk->read(clk, nv_clk_src_mem) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_mem) >> P;
}
break;
}
break;
case nv_clk_src_dom6:
- switch (nv_device(priv)->chipset) {
+ switch (nv_device(clk)->chipset) {
case 0x50:
case 0xa0:
- return read_pll(priv, 0x00e810) >> 2;
+ return read_pll(clk, 0x00e810) >> 2;
case 0x84:
case 0x86:
case 0x92:
case 0x94:
case 0x96:
case 0x98:
- P = (read_div(priv) & 0x00000007) >> 0;
+ P = (read_div(clk) & 0x00000007) >> 0;
switch (mast & 0x0c000000) {
- case 0x00000000: return clk->read(clk, nv_clk_src_href);
+ case 0x00000000: return clk->base.read(&clk->base, nv_clk_src_href);
case 0x04000000: break;
- case 0x08000000: return clk->read(clk, nv_clk_src_hclk);
+ case 0x08000000: return clk->base.read(&clk->base, nv_clk_src_hclk);
case 0x0c000000:
- return clk->read(clk, nv_clk_src_hclkm3) >> P;
+ return clk->base.read(&clk->base, nv_clk_src_hclkm3) >> P;
}
break;
default:
@@ -312,14 +309,14 @@ nv50_clk_read(struct nvkm_clk *clk, enum nv_clk_src src)
break;
}
- nv_debug(priv, "unknown clock source %d 0x%08x\n", src, mast);
+ nv_debug(clk, "unknown clock source %d 0x%08x\n", src, mast);
return -EINVAL;
}
static u32
-calc_pll(struct nv50_clk_priv *priv, u32 reg, u32 clk, int *N, int *M, int *P)
+calc_pll(struct nv50_clk *clk, u32 reg, u32 idx, int *N, int *M, int *P)
{
- struct nvkm_bios *bios = nvkm_bios(priv);
+ struct nvkm_bios *bios = nvkm_bios(clk);
struct nvbios_pll pll;
int ret;
@@ -328,11 +325,11 @@ calc_pll(struct nv50_clk_priv *priv, u32 reg, u32 clk, int *N, int *M, int *P)
return 0;
pll.vco2.max_freq = 0;
- pll.refclk = read_pll_ref(priv, reg);
+ pll.refclk = read_pll_ref(clk, reg);
if (!pll.refclk)
return 0;
- return nv04_pll_calc(nv_subdev(priv), &pll, clk, N, M, NULL, NULL, P);
+ return nv04_pll_calc(nv_subdev(clk), &pll, idx, N, M, NULL, NULL, P);
}
static inline u32
@@ -360,10 +357,10 @@ clk_same(u32 a, u32 b)
}
static int
-nv50_clk_calc(struct nvkm_clk *clk, struct nvkm_cstate *cstate)
+nv50_clk_calc(struct nvkm_clk *obj, struct nvkm_cstate *cstate)
{
- struct nv50_clk_priv *priv = (void *)clk;
- struct nv50_clk_hwsq *hwsq = &priv->hwsq;
+ struct nv50_clk *clk = container_of(obj, typeof(*clk), base);
+ struct nv50_clk_hwsq *hwsq = &clk->hwsq;
const int shader = cstate->domain[nv_clk_src_shader];
const int core = cstate->domain[nv_clk_src_core];
const int vdec = cstate->domain[nv_clk_src_vdec];
@@ -392,15 +389,15 @@ nv50_clk_calc(struct nvkm_clk *clk, struct nvkm_cstate *cstate)
freq = calc_div(core, vdec, &P1);
/* see how close we can get using xpll/hclk as a source */
- if (nv_device(priv)->chipset != 0x98)
- out = read_pll(priv, 0x004030);
+ if (nv_device(clk)->chipset != 0x98)
+ out = read_pll(clk, 0x004030);
else
- out = clk->read(clk, nv_clk_src_hclkm3d2);
+ out = clk->base.read(&clk->base, nv_clk_src_hclkm3d2);
out = calc_div(out, vdec, &P2);
/* select whichever gets us closest */
if (abs(vdec - freq) <= abs(vdec - out)) {
- if (nv_device(priv)->chipset != 0x98)
+ if (nv_device(clk)->chipset != 0x98)
mastv |= 0x00000c00;
divsv |= P1 << 8;
} else {
@@ -416,14 +413,14 @@ nv50_clk_calc(struct nvkm_clk *clk, struct nvkm_cstate *cstate)
* of the host clock frequency
*/
if (dom6) {
- if (clk_same(dom6, clk->read(clk, nv_clk_src_href))) {
+ if (clk_same(dom6, clk->base.read(&clk->base, nv_clk_src_href))) {
mastv |= 0x00000000;
} else
- if (clk_same(dom6, clk->read(clk, nv_clk_src_hclk))) {
+ if (clk_same(dom6, clk->base.read(&clk->base, nv_clk_src_hclk))) {
mastv |= 0x08000000;
} else {
- freq = clk->read(clk, nv_clk_src_hclk) * 3;
- freq = calc_div(freq, dom6, &P1);
+ freq = clk->base.read(&clk->base, nv_clk_src_hclk) * 3;
+ calc_div(freq, dom6, &P1);
mastv |= 0x0c000000;
divsv |= P1;
@@ -443,13 +440,13 @@ nv50_clk_calc(struct nvkm_clk *clk, struct nvkm_cstate *cstate)
/* core/shader: disconnect nvclk/sclk from their PLLs (nvclk to dom6,
* sclk to hclk) before reprogramming
*/
- if (nv_device(priv)->chipset < 0x92)
+ if (nv_device(clk)->chipset < 0x92)
clk_mask(hwsq, mast, 0x001000b0, 0x00100080);
else
clk_mask(hwsq, mast, 0x000000b3, 0x00000081);
/* core: for the moment at least, always use nvpll */
- freq = calc_pll(priv, 0x4028, core, &N, &M, &P1);
+ freq = calc_pll(clk, 0x4028, core, &N, &M, &P1);
if (freq == 0)
return -ERANGE;
@@ -467,7 +464,7 @@ nv50_clk_calc(struct nvkm_clk *clk, struct nvkm_cstate *cstate)
clk_mask(hwsq, spll[0], 0xc03f0100, (P1 << 19) | (P1 << 16));
clk_mask(hwsq, mast, 0x00100033, 0x00000023);
} else {
- freq = calc_pll(priv, 0x4020, shader, &N, &M, &P1);
+ freq = calc_pll(clk, 0x4020, shader, &N, &M, &P1);
if (freq == 0)
return -ERANGE;
@@ -485,17 +482,17 @@ nv50_clk_calc(struct nvkm_clk *clk, struct nvkm_cstate *cstate)
}
static int
-nv50_clk_prog(struct nvkm_clk *clk)
+nv50_clk_prog(struct nvkm_clk *obj)
{
- struct nv50_clk_priv *priv = (void *)clk;
- return clk_exec(&priv->hwsq, true);
+ struct nv50_clk *clk = container_of(obj, typeof(*clk), base);
+ return clk_exec(&clk->hwsq, true);
}
static void
-nv50_clk_tidy(struct nvkm_clk *clk)
+nv50_clk_tidy(struct nvkm_clk *obj)
{
- struct nv50_clk_priv *priv = (void *)clk;
- clk_exec(&priv->hwsq, false);
+ struct nv50_clk *clk = container_of(obj, typeof(*clk), base);
+ clk_exec(&clk->hwsq, false);
}
int
@@ -504,37 +501,37 @@ nv50_clk_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_object **pobject)
{
struct nv50_clk_oclass *pclass = (void *)oclass;
- struct nv50_clk_priv *priv;
+ struct nv50_clk *clk;
int ret;
ret = nvkm_clk_create(parent, engine, oclass, pclass->domains,
NULL, 0, nv_device(parent)->chipset == 0xa0,
- &priv);
- *pobject = nv_object(priv);
+ &clk);
+ *pobject = nv_object(clk);
if (ret)
return ret;
- priv->hwsq.r_fifo = hwsq_reg(0x002504);
- priv->hwsq.r_spll[0] = hwsq_reg(0x004020);
- priv->hwsq.r_spll[1] = hwsq_reg(0x004024);
- priv->hwsq.r_nvpll[0] = hwsq_reg(0x004028);
- priv->hwsq.r_nvpll[1] = hwsq_reg(0x00402c);
- switch (nv_device(priv)->chipset) {
+ clk->hwsq.r_fifo = hwsq_reg(0x002504);
+ clk->hwsq.r_spll[0] = hwsq_reg(0x004020);
+ clk->hwsq.r_spll[1] = hwsq_reg(0x004024);
+ clk->hwsq.r_nvpll[0] = hwsq_reg(0x004028);
+ clk->hwsq.r_nvpll[1] = hwsq_reg(0x00402c);
+ switch (nv_device(clk)->chipset) {
case 0x92:
case 0x94:
case 0x96:
- priv->hwsq.r_divs = hwsq_reg(0x004800);
+ clk->hwsq.r_divs = hwsq_reg(0x004800);
break;
default:
- priv->hwsq.r_divs = hwsq_reg(0x004700);
+ clk->hwsq.r_divs = hwsq_reg(0x004700);
break;
}
- priv->hwsq.r_mast = hwsq_reg(0x00c040);
+ clk->hwsq.r_mast = hwsq_reg(0x00c040);
- priv->base.read = nv50_clk_read;
- priv->base.calc = nv50_clk_calc;
- priv->base.prog = nv50_clk_prog;
- priv->base.tidy = nv50_clk_tidy;
+ clk->base.read = nv50_clk_read;
+ clk->base.calc = nv50_clk_calc;
+ clk->base.prog = nv50_clk_prog;
+ clk->base.tidy = nv50_clk_tidy;
return 0;
}
View Lorry Controller Status