drm/nouveau/clock: pull in the implementation from all over the place

Still missing the main bits we use to change performance levels, I'll get
to it after all the hard yakka has been finished.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/Makefile

@@ -23,11 +23,14 @@ nouveau-y += core/subdev/bios/bit.o
 nouveau-y += core/subdev/bios/dcb.o
 nouveau-y += core/subdev/bios/gpio.o
 nouveau-y += core/subdev/bios/i2c.o
+nouveau-y += core/subdev/bios/pll.o
 nouveau-y += core/subdev/clock/nv04.o
 nouveau-y += core/subdev/clock/nv40.o
 nouveau-y += core/subdev/clock/nv50.o
 nouveau-y += core/subdev/clock/nva3.o
 nouveau-y += core/subdev/clock/nvc0.o
+nouveau-y += core/subdev/clock/pllnv04.o
+nouveau-y += core/subdev/clock/pllnva3.o
 nouveau-y += core/subdev/device/base.o
 nouveau-y += core/subdev/device/nv04.o
 nouveau-y += core/subdev/device/nv10.o
@@ -114,7 +117,6 @@ nouveau-y += nouveau_drm.o nouveau_compat.o \
              nv50_cursor.o nv50_display.o \
              nvd0_display.o \
              nv04_fbcon.o nv50_fbcon.o nvc0_fbcon.o \
-	     nv50_calc.o \
 	     nv04_pm.o nv40_pm.o nv50_pm.o nva3_pm.o nvc0_pm.o \
 	     nouveau_prime.o
 

drivers/gpu/drm/nouveau/core/include/subdev/bios/pll.h

@@ -0,0 +1,77 @@
+#ifndef __NVBIOS_PLL_H__
+#define __NVBIOS_PLL_H__
+
+/*XXX: kill me */
+struct nouveau_pll_vals {
+	union {
+		struct {
+#ifdef __BIG_ENDIAN
+			uint8_t N1, M1, N2, M2;
+#else
+			uint8_t M1, N1, M2, N2;
+#endif
+		};
+		struct {
+			uint16_t NM1, NM2;
+		} __attribute__((packed));
+	};
+	int log2P;
+
+	int refclk;
+};
+
+struct nouveau_bios;
+
+/* these match types in pll limits table version 0x40,
+ * nouveau uses them on all chipsets internally where a
+ * specific pll needs to be referenced, but the exact
+ * register isn't known.
+ */
+enum nvbios_pll_type {
+	PLL_CORE   = 0x01,
+	PLL_SHADER = 0x02,
+	PLL_UNK03  = 0x03,
+	PLL_MEMORY = 0x04,
+	PLL_VDEC   = 0x05,
+	PLL_UNK40  = 0x40,
+	PLL_UNK41  = 0x41,
+	PLL_UNK42  = 0x42,
+	PLL_VPLL0  = 0x80,
+	PLL_VPLL1  = 0x81,
+	PLL_MAX    = 0xff
+};
+
+struct nvbios_pll {
+	enum nvbios_pll_type type;
+	u32 reg;
+	u32 refclk;
+
+	u8 min_p;
+	u8 max_p;
+	u8 bias_p;
+
+	/*
+	 * for most pre nv50 cards setting a log2P of 7 (the common max_log2p
+	 * value) is no different to 6 (at least for vplls) so allowing the MNP
+	 * calc to use 7 causes the generated clock to be out by a factor of 2.
+	 * however, max_log2p cannot be fixed-up during parsing as the
+	 * unmodified max_log2p value is still needed for setting mplls, hence
+	 * an additional max_usable_log2p member
+	 */
+	u8 max_p_usable;
+
+	struct {
+		u32 min_freq;
+		u32 max_freq;
+		u32 min_inputfreq;
+		u32 max_inputfreq;
+		u8  min_m;
+		u8  max_m;
+		u8  min_n;
+		u8  max_n;
+	} vco1, vco2;
+};
+
+int nvbios_pll_parse(struct nouveau_bios *, u32 type, struct nvbios_pll *);
+
+#endif

drivers/gpu/drm/nouveau/core/include/subdev/clock.h

@@ -4,9 +4,21 @@
 #include <core/device.h>
 #include <core/subdev.h>
 
+struct nouveau_pll_vals;
+struct nvbios_pll;
+
 struct nouveau_clock {
 	struct nouveau_subdev base;
-	void (*pll_set)(struct nouveau_clock *, u32 type, u32 freq);
+
+	int (*pll_set)(struct nouveau_clock *, u32 type, u32 freq);
+
+	/*XXX: die, these are here *only* to support the completely
+	 *     bat-shit insane what-was-nouveau_hw.c code
+	 */
+	int (*pll_calc)(struct nouveau_clock *, struct nvbios_pll *,
+			int clk, struct nouveau_pll_vals *pv);
+	int (*pll_prog)(struct nouveau_clock *, u32 reg1,
+			struct nouveau_pll_vals *pv);
 };
 
 static inline struct nouveau_clock *
@@ -37,4 +49,11 @@ extern struct nouveau_oclass nv50_clock_oclass;
 extern struct nouveau_oclass nva3_clock_oclass;
 extern struct nouveau_oclass nvc0_clock_oclass;
 
+int nv04_clock_pll_set(struct nouveau_clock *, u32 type, u32 freq);
+int nv04_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
+			int clk, struct nouveau_pll_vals *);
+int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1,
+			struct nouveau_pll_vals *);
+
+
 #endif

drivers/gpu/drm/nouveau/core/include/subdev/vga.h

@@ -1,6 +1,8 @@
 #ifndef __NOUVEAU_VGA_H__
 #define __NOUVEAU_VGA_H__
 
+#include <core/os.h>
+
 /* access to various legacy io ports */
 u8   nv_rdport(void *obj, int head, u16 port);
 void nv_wrport(void *obj, int head, u16 port, u8 value);