Initial import.

4 files changed, 1069 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ccdae18
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,2 @@
+tvdump: tvdump.c nvreg.h
+	gcc -Wall -O0 -g -lpciaccess -o $@ $<
\ No newline at end of file
diff --git a/nvreg.h b/nvreg.h
new file mode 100644
index 0000000..7e14680
--- /dev/null
+++ b/nvreg.h
@@ -0,0 +1,508 @@
+/* $XConsortium: nvreg.h /main/2 1996/10/28 05:13:41 kaleb $ */
+/*
+ * Copyright 1996-1997  David J. McKay
+ *
+ * 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
+ * DAVID J. MCKAY 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.
+ */
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nvreg.h,v 1.6 2002/01/25 21:56:06 tsi Exp $ */
+
+#ifndef __NVREG_H_
+#define __NVREG_H_
+
+#define NV_PMC_OFFSET               0x00000000
+#define NV_PMC_SIZE                 0x00001000
+
+#define NV_PBUS_OFFSET              0x00001000
+#define NV_PBUS_SIZE                0x00001000
+
+#define NV_PFIFO_OFFSET             0x00002000
+#define NV_PFIFO_SIZE               0x00002000
+
+#define NV_HDIAG_OFFSET             0x00005000
+#define NV_HDIAG_SIZE               0x00001000
+
+#define NV_PRAM_OFFSET              0x00006000
+#define NV_PRAM_SIZE                0x00001000
+
+#define NV_PVIDEO_OFFSET            0x00008000
+#define NV_PVIDEO_SIZE              0x00001000
+
+#define NV_PTIMER_OFFSET            0x00009000
+#define NV_PTIMER_SIZE              0x00001000
+
+#define NV_PPM_OFFSET               0x0000A000
+#define NV_PPM_SIZE                 0x00001000
+
+#define NV_PRMVGA_OFFSET            0x000A0000
+#define NV_PRMVGA_SIZE              0x00020000
+
+#define NV_PRMVIO0_OFFSET           0x000C0000
+#define NV_PRMVIO_SIZE              0x00002000
+#define NV_PRMVIO1_OFFSET           0x000C2000
+
+#define NV_PFB_OFFSET               0x00100000
+#define NV_PFB_SIZE                 0x00001000
+
+#define NV_PEXTDEV_OFFSET           0x00101000
+#define NV_PEXTDEV_SIZE             0x00001000
+
+#define NV_PME_OFFSET               0x00200000
+#define NV_PME_SIZE                 0x00001000
+
+#define NV_PROM_OFFSET              0x00300000
+#define NV_PROM_SIZE                0x00010000
+
+#define NV_PGRAPH_OFFSET            0x00400000
+#define NV_PGRAPH_SIZE              0x00010000
+
+#define NV_PCRTC0_OFFSET            0x00600000
+#define NV_PCRTC0_SIZE              0x00002000 /* empirical */
+
+#define NV_PRMCIO0_OFFSET           0x00601000
+#define NV_PRMCIO_SIZE              0x00002000
+#define NV_PRMCIO1_OFFSET           0x00603000
+
+#define NV50_DISPLAY_OFFSET           0x00610000
+#define NV50_DISPLAY_SIZE             0x0000FFFF
+
+#define NV_PRAMDAC0_OFFSET          0x00680000
+#define NV_PRAMDAC0_SIZE            0x00002000
+
+#define NV_PRMDIO0_OFFSET           0x00681000
+#define NV_PRMDIO_SIZE              0x00002000
+#define NV_PRMDIO1_OFFSET           0x00683000
+
+#define NV_PRAMIN_OFFSET            0x00700000
+#define NV_PRAMIN_SIZE              0x00100000
+
+#define NV_FIFO_OFFSET              0x00800000
+#define NV_FIFO_SIZE                0x00800000
+
+#define NV_PMC_BOOT_0			0x00000000
+#define NV_PMC_ENABLE			0x00000200
+
+#define NV_VIO_VSE2			0x000003c3
+#define NV_VIO_SRX			0x000003c4
+
+#define NV_CIO_CRX__COLOR		0x000003d4
+#define NV_CIO_CR__COLOR		0x000003d5
+
+#define NV_PBUS_DEBUG_1			0x00001084
+#define NV_PBUS_DEBUG_4			0x00001098
+#define NV_PBUS_DEBUG_DUALHEAD_CTL	0x000010f0
+#define NV_PBUS_POWERCTRL_1		0x00001584
+#define NV_PBUS_POWERCTRL_2		0x00001588
+#define NV_PBUS_POWERCTRL_4		0x00001590
+#define NV_PBUS_PCI_NV_19		0x0000184C
+#define NV_PBUS_PCI_NV_20		0x00001850
+#	define NV_PBUS_PCI_NV_20_ROM_SHADOW_DISABLED	(0 << 0)
+#	define NV_PBUS_PCI_NV_20_ROM_SHADOW_ENABLED	(1 << 0)
+
+#define NV_PFIFO_RAMHT			0x00002210
+
+#define NV_PRMVIO_MISC__WRITE		0x000c03c2
+#define NV_PRMVIO_SRX			0x000c03c4
+#define NV_PRMVIO_SR			0x000c03c5
+#	define NV_VIO_SR_RESET_INDEX		0x00
+#	define NV_VIO_SR_CLOCK_INDEX		0x01
+#	define NV_VIO_SR_PLANE_MASK_INDEX	0x02
+#	define NV_VIO_SR_CHAR_MAP_INDEX		0x03
+#	define NV_VIO_SR_MEM_MODE_INDEX		0x04
+#define NV_PRMVIO_MISC__READ		0x000c03cc
+#define NV_PRMVIO_GRX			0x000c03ce
+#define NV_PRMVIO_GX			0x000c03cf
+#	define NV_VIO_GX_SR_INDEX		0x00
+#	define NV_VIO_GX_SREN_INDEX		0x01
+#	define NV_VIO_GX_CCOMP_INDEX		0x02
+#	define NV_VIO_GX_ROP_INDEX		0x03
+#	define NV_VIO_GX_READ_MAP_INDEX		0x04
+#	define NV_VIO_GX_MODE_INDEX		0x05
+#	define NV_VIO_GX_MISC_INDEX		0x06
+#	define NV_VIO_GX_DONT_CARE_INDEX	0x07
+#	define NV_VIO_GX_BIT_MASK_INDEX		0x08
+
+#define NV_PFB_BOOT_0			0x00100000
+#define NV_PFB_CFG0			0x00100200
+#define NV_PFB_CFG1			0x00100204
+#define NV_PFB_CSTATUS			0x0010020C
+#define NV_PFB_REFCTRL			0x00100210
+#	define NV_PFB_REFCTRL_VALID_1			(1 << 31)
+#define NV_PFB_PAD			0x0010021C
+#	define NV_PFB_PAD_CKE_NORMAL			(1 << 0)
+#define NV_PFB_TILE_NV10		0x00100240
+#define NV_PFB_TILE_SIZE_NV10		0x00100244
+#define NV_PFB_REF			0x001002D0
+#	define NV_PFB_REF_CMD_REFRESH			(1 << 0)
+#define NV_PFB_PRE			0x001002D4
+#	define NV_PFB_PRE_CMD_PRECHARGE			(1 << 0)
+#define NV_PFB_CLOSE_PAGE2		0x0010033C
+#define NV_PFB_TILE_NV40		0x00100600
+#define NV_PFB_TILE_SIZE_NV40		0x00100604
+
+#define NV_PEXTDEV_BOOT_0		0x00101000
+#	define NV_PEXTDEV_BOOT_0_STRAP_FP_IFACE_12BIT	(8 << 12)
+#define NV_PEXTDEV_BOOT_3		0x0010100c
+
+#define NV_PCRTC_INTR_0					0x00600100
+#	define NV_PCRTC_INTR_0_VBLANK				(1 << 0)
+#define NV_PCRTC_INTR_EN_0				0x00600140
+#define NV_PCRTC_START					0x00600800
+#define NV_PCRTC_CONFIG					0x00600804
+#	define NV_PCRTC_CONFIG_START_ADDRESS_NON_VGA		(1 << 0)
+#	define NV_PCRTC_CONFIG_START_ADDRESS_HSYNC		(2 << 0)
+#define NV_PCRTC_CURSOR_CONFIG				0x00600810
+#	define NV_PCRTC_CURSOR_CONFIG_ENABLE_ENABLE		(1 << 0)
+#	define NV_PCRTC_CURSOR_CONFIG_DOUBLE_SCAN_ENABLE	(1 << 4)
+#	define NV_PCRTC_CURSOR_CONFIG_ADDRESS_SPACE_PNVM	(1 << 8)
+#	define NV_PCRTC_CURSOR_CONFIG_CUR_BPP_32		(1 << 12)
+#	define NV_PCRTC_CURSOR_CONFIG_CUR_PIXELS_64		(1 << 16)
+#	define NV_PCRTC_CURSOR_CONFIG_CUR_LINES_32		(2 << 24)
+#	define NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64		(4 << 24)
+#	define NV_PCRTC_CURSOR_CONFIG_CUR_BLEND_ALPHA		(1 << 28)
+
+/* note: PCRTC_GPIO is not available on nv10, and in fact aliases 0x600810 */
+#define NV_PCRTC_GPIO					0x00600818
+#define NV_PCRTC_GPIO_EXT				0x0060081c
+#define NV_PCRTC_830					0x00600830
+#define NV_PCRTC_834					0x00600834
+#define NV_PCRTC_850					0x00600850
+#define NV_PCRTC_ENGINE_CTRL				0x00600860
+#	define NV_CRTC_FSEL_I2C					(1 << 4)
+#	define NV_CRTC_FSEL_OVERLAY				(1 << 12)
+
+#define NV_PRMCIO_ARX			0x006013c0
+#define NV_PRMCIO_AR__WRITE		0x006013c0
+#define NV_PRMCIO_AR__READ		0x006013c1
+#	define NV_CIO_AR_MODE_INDEX		0x10
+#	define NV_CIO_AR_OSCAN_INDEX		0x11
+#	define NV_CIO_AR_PLANE_INDEX		0x12
+#	define NV_CIO_AR_HPP_INDEX		0x13
+#	define NV_CIO_AR_CSEL_INDEX		0x14
+#define NV_PRMCIO_INP0			0x006013c2
+#define NV_PRMCIO_CRX__COLOR		0x006013d4
+#define NV_PRMCIO_CR__COLOR		0x006013d5
+	/* Standard VGA CRTC registers */
+#	define NV_CIO_CR_HDT_INDEX		0x00	/* horizontal display total */
+#	define NV_CIO_CR_HDE_INDEX		0x01	/* horizontal display end */
+#	define NV_CIO_CR_HBS_INDEX		0x02	/* horizontal blanking start */
+#	define NV_CIO_CR_HBE_INDEX		0x03	/* horizontal blanking end */
+#		define NV_CIO_CR_HBE_4_0		4:0
+#	define NV_CIO_CR_HRS_INDEX		0x04	/* horizontal retrace start */
+#	define NV_CIO_CR_HRE_INDEX		0x05	/* horizontal retrace end */
+#		define NV_CIO_CR_HRE_4_0		4:0
+#		define NV_CIO_CR_HRE_HBE_5		7:7
+#	define NV_CIO_CR_VDT_INDEX		0x06	/* vertical display total */
+#	define NV_CIO_CR_OVL_INDEX		0x07	/* overflow bits */
+#		define NV_CIO_CR_OVL_VDT_8		0:0
+#		define NV_CIO_CR_OVL_VDE_8		1:1
+#		define NV_CIO_CR_OVL_VRS_8		2:2
+#		define NV_CIO_CR_OVL_VBS_8		3:3
+#		define NV_CIO_CR_OVL_VDT_9		5:5
+#		define NV_CIO_CR_OVL_VDE_9		6:6
+#		define NV_CIO_CR_OVL_VRS_9		7:7
+#	define NV_CIO_CR_RSAL_INDEX		0x08	/* normally "preset row scan" */
+#	define NV_CIO_CR_CELL_HT_INDEX		0x09	/* cell height?! normally "max scan line" */
+#		define NV_CIO_CR_CELL_HT_VBS_9		5:5
+#		define NV_CIO_CR_CELL_HT_SCANDBL	7:7
+#	define NV_CIO_CR_CURS_ST_INDEX		0x0a	/* cursor start */
+#	define NV_CIO_CR_CURS_END_INDEX		0x0b	/* cursor end */
+#	define NV_CIO_CR_SA_HI_INDEX		0x0c	/* screen start address high */
+#	define NV_CIO_CR_SA_LO_INDEX		0x0d	/* screen start address low */
+#	define NV_CIO_CR_TCOFF_HI_INDEX		0x0e	/* cursor offset high */
+#	define NV_CIO_CR_TCOFF_LO_INDEX		0x0f	/* cursor offset low */
+#	define NV_CIO_CR_VRS_INDEX		0x10	/* vertical retrace start */
+#	define NV_CIO_CR_VRE_INDEX		0x11	/* vertical retrace end */
+#		define NV_CIO_CR_VRE_3_0		3:0
+#	define NV_CIO_CR_VDE_INDEX		0x12	/* vertical display end */
+#	define NV_CIO_CR_OFFSET_INDEX		0x13	/* sets screen pitch */
+#	define NV_CIO_CR_ULINE_INDEX		0x14	/* underline location */
+#	define NV_CIO_CR_VBS_INDEX		0x15	/* vertical blank start */
+#	define NV_CIO_CR_VBE_INDEX		0x16	/* vertical blank end */
+#	define NV_CIO_CR_MODE_INDEX		0x17	/* crtc mode control */
+#	define NV_CIO_CR_LCOMP_INDEX		0x18	/* line compare */
+	/* Extended VGA CRTC registers */
+#	define NV_CIO_CRE_RPC0_INDEX		0x19	/* repaint control 0 */
+#		define NV_CIO_CRE_RPC0_OFFSET_10_8	7:5
+#	define NV_CIO_CRE_RPC1_INDEX		0x1a	/* repaint control 1 */
+#		define NV_CIO_CRE_RPC1_LARGE		2:2
+#	define NV_CIO_CRE_FF_INDEX		0x1b	/* fifo control */
+#	define NV_CIO_CRE_ENH_INDEX		0x1c	/* enhanced? */
+#	define NV_CIO_SR_LOCK_INDEX		0x1f	/* crtc lock */
+#		define NV_CIO_SR_UNLOCK_RW_VALUE	0x57
+#		define NV_CIO_SR_LOCK_VALUE		0x99
+#	define NV_CIO_CRE_FFLWM__INDEX		0x20	/* fifo low water mark */
+#	define NV_CIO_CRE_21			0x21	/* vga shadow crtc lock */
+#	define NV_CIO_CRE_LSR_INDEX		0x25	/* ? */
+#		define NV_CIO_CRE_LSR_VDT_10		0:0
+#		define NV_CIO_CRE_LSR_VDE_10		1:1
+#		define NV_CIO_CRE_LSR_VRS_10		2:2
+#		define NV_CIO_CRE_LSR_VBS_10		3:3
+#		define NV_CIO_CRE_LSR_HBE_6		4:4
+#	define NV_CIO_CR_ARX_INDEX		0x26	/* attribute index -- ro copy of 0x60.3c0 */
+#	define NV_CIO_CRE_CHIP_ID_INDEX		0x27	/* chip revision */
+#	define NV_CIO_CRE_PIXEL_INDEX		0x28
+#		define NV_CIO_CRE_PIXEL_FORMAT		1:0
+#	define NV_CIO_CRE_HEB__INDEX		0x2d	/* horizontal extra bits? */
+#		define NV_CIO_CRE_HEB_HDT_8		0:0
+#		define NV_CIO_CRE_HEB_HDE_8		1:1
+#		define NV_CIO_CRE_HEB_HBS_8		2:2
+#		define NV_CIO_CRE_HEB_HRS_8		3:3
+#		define NV_CIO_CRE_HEB_ILC_8		4:4
+#	define NV_CIO_CRE_2E			0x2e	/* some scratch or dummy reg to force writes to sink in */
+#	define NV_CIO_CRE_HCUR_ADDR2_INDEX	0x2f	/* cursor */
+#	define NV_CIO_CRE_HCUR_ADDR0_INDEX	0x30		/* pixmap */
+#		define NV_CIO_CRE_HCUR_ADDR0_ADR	6:0
+#		define NV_CIO_CRE_HCUR_ASI		7:7
+#	define NV_CIO_CRE_HCUR_ADDR1_INDEX	0x31			/* address */
+#		define NV_CIO_CRE_HCUR_ADDR1_ENABLE	0:0
+#		define NV_CIO_CRE_HCUR_ADDR1_CUR_DBL	1:1
+#		define NV_CIO_CRE_HCUR_ADDR1_ADR	7:2
+#	define NV_CIO_CRE_LCD__INDEX		0x33
+#		define NV_CIO_CRE_LCD_LCD_SELECT	0:0
+#	define NV_CIO_CRE_DDC0_STATUS__INDEX	0x36
+#	define NV_CIO_CRE_DDC0_WR__INDEX	0x37
+#	define NV_CIO_CRE_ILACE__INDEX		0x39	/* interlace */
+#	define NV_CIO_CRE_SCRATCH3__INDEX	0x3b
+#	define NV_CIO_CRE_SCRATCH4__INDEX	0x3c
+#	define NV_CIO_CRE_DDC_STATUS__INDEX	0x3e
+#	define NV_CIO_CRE_DDC_WR__INDEX		0x3f
+#	define NV_CIO_CRE_EBR_INDEX		0x41	/* extra bits ? (vertical) */
+#		define NV_CIO_CRE_EBR_VDT_11		0:0
+#		define NV_CIO_CRE_EBR_VDE_11		2:2
+#		define NV_CIO_CRE_EBR_VRS_11		4:4
+#		define NV_CIO_CRE_EBR_VBS_11		6:6
+#	define NV_CIO_CRE_43			0x43
+#	define NV_CIO_CRE_44			0x44	/* head control */
+#	define NV_CIO_CRE_CSB			0x45	/* colour saturation boost */
+#	define NV_CIO_CRE_RCR			0x46
+#		define NV_CIO_CRE_RCR_ENDIAN_BIG	7:7
+#	define NV_CIO_CRE_47			0x47	/* extended fifo lwm, used on nv30+ */
+#	define NV_CIO_CRE_4B			0x4b	/* given patterns in 0x[2-3][a-c] regs, probably scratch 6 */
+#	define NV_CIO_CRE_TVOUT_LATENCY		0x52
+#	define NV_CIO_CRE_53			0x53	/* `fp_htiming' according to Haiku */
+#	define NV_CIO_CRE_54			0x54	/* `fp_vtiming' according to Haiku */
+#	define NV_CIO_CRE_57			0x57	/* index reg for cr58 */
+#	define NV_CIO_CRE_58			0x58	/* data reg for cr57 */
+#	define NV_CIO_CRE_59			0x59	/* related to on/off-chip-ness of digital outputs */
+#	define NV_CIO_CRE_5B			0x5B	/* newer colour saturation reg */
+#	define NV_CIO_CRE_85			0x85
+#	define NV_CIO_CRE_86			0x86
+#define NV_PRMCIO_INP0__COLOR		0x006013da
+
+#define NV_PRAMDAC_CU_START_POS				0x00680300
+#	define NV_PRAMDAC_CU_START_POS_X			15:0
+#	define NV_PRAMDAC_CU_START_POS_Y			31:16
+#define NV_RAMDAC_NV10_CURSYNC				0x00680404
+
+#define NV_PRAMDAC_NVPLL_COEFF				0x00680500
+#define NV_PRAMDAC_MPLL_COEFF				0x00680504
+#define NV_PRAMDAC_VPLL_COEFF				0x00680508
+#	define NV30_RAMDAC_ENABLE_VCO2				(8 << 4)
+
+#define NV_PRAMDAC_PLL_COEFF_SELECT			0x0068050c
+#	define NV_RAMDAC_PLL_SELECT_USE_VPLL2_TRUE		(4 << 0)
+#	define NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_MPLL	(1 << 8)
+#	define NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_VPLL	(2 << 8)
+#	define NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_NVPLL	(4 << 8)
+#	define NV_RAMDAC_PLL_SELECT_PLL_SOURCE_VPLL2		(8 << 8)
+#	define NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO_DB2	(1 << 28)
+#	define NV_RAMDAC_PLL_SELECT_VCLK2_RATIO_DB2		(2 << 28)
+
+#define NV_PRAMDAC_PLL_SETUP_CONTROL			0x00680510
+#define NV_RAMDAC_VPLL2					0x00680520
+#define NV_PRAMDAC_SEL_CLK				0x00680524
+#define NV_RAMDAC_DITHER_NV11				0x00680528
+#define NV_PRAMDAC_DACCLK				0x0068052c
+#	define NV_PRAMDAC_DACCLK_SEL_DACCLK			(1 << 0)
+
+#define NV_RAMDAC_NVPLL_B				0x00680570
+#define NV_RAMDAC_MPLL_B				0x00680574
+#define NV_RAMDAC_VPLL_B				0x00680578
+#define NV_RAMDAC_VPLL2_B				0x0068057c
+#	define NV31_RAMDAC_ENABLE_VCO2				(8 << 28)
+#define NV_PRAMDAC_580					0x00680580
+#	define NV_RAMDAC_580_VPLL1_ACTIVE			(1 << 8)
+#	define NV_RAMDAC_580_VPLL2_ACTIVE			(1 << 28)
+
+#define NV_PRAMDAC_GENERAL_CONTROL			0x00680600
+#	define NV_PRAMDAC_GENERAL_CONTROL_PIXMIX_ON		(3 << 4)
+#	define NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE_SEL		(1 << 8)
+#	define NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL		(1 << 12)
+#	define NV_PRAMDAC_GENERAL_CONTROL_TERMINATION_75OHM	(2 << 16)
+#	define NV_PRAMDAC_GENERAL_CONTROL_BPC_8BITS		(1 << 20)
+#	define NV_PRAMDAC_GENERAL_CONTROL_PIPE_LONG		(2 << 28)
+#define NV_PRAMDAC_TEST_CONTROL				0x00680608
+#	define NV_PRAMDAC_TEST_CONTROL_TP_INS_EN_ASSERTED	(1 << 12)
+#	define NV_PRAMDAC_TEST_CONTROL_PWRDWN_DAC_OFF		(1 << 16)
+#	define NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI		(1 << 28)
+#define NV_PRAMDAC_TESTPOINT_DATA			0x00680610
+#	define NV_PRAMDAC_TESTPOINT_DATA_NOTBLANK		(8 << 28)
+#define NV_PRAMDAC_630					0x00680630
+#define NV_PRAMDAC_634					0x00680634
+
+#define NV_PRAMDAC_TV_SETUP                             0x00680700
+
+#define NV_PRAMDAC_FP_VDISPLAY_END			0x00680800
+#define NV_PRAMDAC_FP_VTOTAL				0x00680804
+#define NV_PRAMDAC_FP_VCRTC				0x00680808
+#define NV_PRAMDAC_FP_VSYNC_START			0x0068080c
+#define NV_PRAMDAC_FP_VSYNC_END				0x00680810
+#define NV_PRAMDAC_FP_VVALID_START			0x00680814
+#define NV_PRAMDAC_FP_VVALID_END			0x00680818
+#define NV_PRAMDAC_FP_HDISPLAY_END			0x00680820
+#define NV_PRAMDAC_FP_HTOTAL				0x00680824
+#define NV_PRAMDAC_FP_HCRTC				0x00680828
+#define NV_PRAMDAC_FP_HSYNC_START			0x0068082c
+#define NV_PRAMDAC_FP_HSYNC_END				0x00680830
+#define NV_PRAMDAC_FP_HVALID_START			0x00680834
+#define NV_PRAMDAC_FP_HVALID_END			0x00680838
+
+#define NV_RAMDAC_FP_DITHER				0x0068083c
+#define NV_PRAMDAC_FP_TG_CONTROL			0x00680848
+#	define NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS		(1 << 0)
+#	define NV_PRAMDAC_FP_TG_CONTROL_VSYNC_DISABLE		(2 << 0)
+#	define NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS		(1 << 4)
+#	define NV_PRAMDAC_FP_TG_CONTROL_HSYNC_DISABLE		(2 << 4)
+#	define NV_PRAMDAC_FP_TG_CONTROL_MODE_SCALE		(0 << 8)
+#	define NV_PRAMDAC_FP_TG_CONTROL_MODE_CENTER		(1 << 8)
+#	define NV_PRAMDAC_FP_TG_CONTROL_MODE_NATIVE		(2 << 8)
+#	define NV_PRAMDAC_FP_TG_CONTROL_READ_PROG		(1 << 20)
+#	define NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12		(1 << 24)
+#	define NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS		(1 << 28)
+#	define NV_PRAMDAC_FP_TG_CONTROL_DISPEN_DISABLE		(2 << 28)
+#define NV_PRAMDAC_850					0x00680850
+#define NV_PRAMDAC_85C					0x0068085c
+#define NV_PRAMDAC_FP_DEBUG_0				0x00680880
+#	define NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE		(1 << 0)
+#	define NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE		(1 << 4)
+/* This doesn't seem to be essential for tmds, but still often set */
+#	define NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED		(8 << 4)
+#	define NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR		(1 << 8)
+#	define NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR		(1 << 12)
+#	define NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND		(1 << 20)
+#	define NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND		(1 << 24)
+#	define NV_PRAMDAC_FP_DEBUG_0_PWRDOWN_FPCLK		(1 << 28)
+#define NV_PRAMDAC_FP_DEBUG_1				0x00680884
+#	define NV_PRAMDAC_FP_DEBUG_1_XSCALE_VALUE		11:0
+#	define NV_PRAMDAC_FP_DEBUG_1_XSCALE_TESTMODE_ENABLE	(1 << 12)
+#	define NV_PRAMDAC_FP_DEBUG_1_YSCALE_VALUE		27:16
+#	define NV_PRAMDAC_FP_DEBUG_1_YSCALE_TESTMODE_ENABLE	(1 << 28)
+#define NV_PRAMDAC_FP_DEBUG_2				0x00680888
+#define NV_PRAMDAC_FP_DEBUG_3				0x0068088C
+
+/* see NV_PRAMDAC_INDIR_TMDS in rules.xml */
+#define NV_PRAMDAC_FP_TMDS_CONTROL			0x006808b0
+#	define NV_PRAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE		(1 << 16)
+#define NV_PRAMDAC_FP_TMDS_DATA				0x006808b4
+
+#define NV_PRAMDAC_8C0                                  0x006808c0
+
+/* Some kind of switch */
+#define NV_PRAMDAC_900					0x00680900
+#define NV_PRAMDAC_A20					0x00680A20
+#define NV_PRAMDAC_A24					0x00680A24
+#define NV_PRAMDAC_A34					0x00680A34
+
+/* names fabricated from NV_USER_DAC info */
+#define NV_PRMDIO_PIXEL_MASK		0x006813c6
+#	define NV_PRMDIO_PIXEL_MASK_MASK	0xff
+#define NV_PRMDIO_READ_MODE_ADDRESS	0x006813c7
+#define NV_PRMDIO_WRITE_MODE_ADDRESS	0x006813c8
+#define NV_PRMDIO_PALETTE_DATA		0x006813c9
+
+#define NV_PGRAPH_DEBUG_0		0x00400080
+#define NV_PGRAPH_DEBUG_1		0x00400084
+#define NV_PGRAPH_DEBUG_2_NV04		0x00400088
+#define NV_PGRAPH_DEBUG_2		0x00400620
+#define NV_PGRAPH_DEBUG_3		0x0040008c
+#define NV_PGRAPH_DEBUG_4		0x00400090
+#define NV_PGRAPH_INTR			0x00400100
+#define NV_PGRAPH_INTR_EN		0x00400140
+#define NV_PGRAPH_CTX_CONTROL		0x00400144
+#define NV_PGRAPH_CTX_CONTROL_NV04	0x00400170
+#define NV_PGRAPH_ABS_UCLIP_XMIN	0x0040053C
+#define NV_PGRAPH_ABS_UCLIP_YMIN	0x00400540
+#define NV_PGRAPH_ABS_UCLIP_XMAX	0x00400544
+#define NV_PGRAPH_ABS_UCLIP_YMAX	0x00400548
+#define NV_PGRAPH_BETA_AND		0x00400608
+#define NV_PGRAPH_LIMIT_VIOL_PIX	0x00400610
+#define NV_PGRAPH_BOFFSET0		0x00400640
+#define NV_PGRAPH_BOFFSET1		0x00400644
+#define NV_PGRAPH_BOFFSET2		0x00400648
+#define NV_PGRAPH_BLIMIT0		0x00400684
+#define NV_PGRAPH_BLIMIT1		0x00400688
+#define NV_PGRAPH_BLIMIT2		0x0040068c
+#define NV_PGRAPH_STATUS		0x00400700
+#define NV_PGRAPH_SURFACE		0x00400710
+#define NV_PGRAPH_STATE			0x00400714
+#define NV_PGRAPH_FIFO			0x00400720
+#define NV_PGRAPH_PATTERN_SHAPE		0x00400810
+#define NV_PGRAPH_TILE			0x00400b00
+
+#define NV_PVIDEO_INTR_EN		0x00008140
+#define NV_PVIDEO_BUFFER		0x00008700
+#define NV_PVIDEO_STOP			0x00008704
+#define NV_PVIDEO_UVPLANE_BASE(buff)	(0x00008800+(buff)*4)
+#define NV_PVIDEO_UVPLANE_LIMIT(buff)	(0x00008808+(buff)*4)
+#define NV_PVIDEO_UVPLANE_OFFSET_BUFF(buff)	(0x00008820+(buff)*4)
+#define NV_PVIDEO_BASE(buff)		(0x00008900+(buff)*4)
+#define NV_PVIDEO_LIMIT(buff)		(0x00008908+(buff)*4)
+#define NV_PVIDEO_LUMINANCE(buff)	(0x00008910+(buff)*4)
+#define NV_PVIDEO_CHROMINANCE(buff)	(0x00008918+(buff)*4)
+#define NV_PVIDEO_OFFSET_BUFF(buff)	(0x00008920+(buff)*4)
+#define NV_PVIDEO_SIZE_IN(buff)		(0x00008928+(buff)*4)
+#define NV_PVIDEO_POINT_IN(buff)	(0x00008930+(buff)*4)
+#define NV_PVIDEO_DS_DX(buff)		(0x00008938+(buff)*4)
+#define NV_PVIDEO_DT_DY(buff)		(0x00008940+(buff)*4)
+#define NV_PVIDEO_POINT_OUT(buff)	(0x00008948+(buff)*4)
+#define NV_PVIDEO_SIZE_OUT(buff)	(0x00008950+(buff)*4)
+#define NV_PVIDEO_FORMAT(buff)		(0x00008958+(buff)*4)
+#	define NV_PVIDEO_FORMAT_PLANAR			(1 << 0)
+#	define NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8	(1 << 16)
+#	define NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY	(1 << 20)
+#	define NV_PVIDEO_FORMAT_MATRIX_ITURBT709	(1 << 24)
+#define NV_PVIDEO_COLOR_KEY		0x00008B00
+
+/* NV04 overlay defines from VIDIX & Haiku */
+#define NV_PVIDEO_INTR_EN_0		0x00680140
+#define NV_PVIDEO_STEP_SIZE		0x00680200
+#define NV_PVIDEO_CONTROL_Y		0x00680204
+#define NV_PVIDEO_CONTROL_X		0x00680208
+#define NV_PVIDEO_BUFF0_START_ADDRESS	0x0068020c
+#define NV_PVIDEO_BUFF0_PITCH_LENGTH	0x00680214
+#define NV_PVIDEO_BUFF0_OFFSET		0x0068021c
+#define NV_PVIDEO_BUFF1_START_ADDRESS	0x00680210
+#define NV_PVIDEO_BUFF1_PITCH_LENGTH	0x00680218
+#define NV_PVIDEO_BUFF1_OFFSET		0x00680220
+#define NV_PVIDEO_OE_STATE		0x00680224
+#define NV_PVIDEO_SU_STATE		0x00680228
+#define NV_PVIDEO_RM_STATE		0x0068022c
+#define NV_PVIDEO_WINDOW_START		0x00680230
+#define NV_PVIDEO_WINDOW_SIZE		0x00680234
+#define NV_PVIDEO_FIFO_THRES_SIZE	0x00680238
+#define NV_PVIDEO_FIFO_BURST_LENGTH	0x0068023c
+#define NV_PVIDEO_KEY			0x00680240
+#define NV_PVIDEO_OVERLAY		0x00680244
+#define NV_PVIDEO_RED_CSC_OFFSET	0x00680280
+#define NV_PVIDEO_GREEN_CSC_OFFSET	0x00680284
+#define NV_PVIDEO_BLUE_CSC_OFFSET	0x00680288
+#define NV_PVIDEO_CSC_ADJUST		0x0068028c
+
+#endif
diff --git a/tvdump.c b/tvdump.c
new file mode 100644
index 0000000..9a487df
--- /dev/null
+++ b/tvdump.c
@@ -0,0 +1,493 @@
+#include <stdio.h>
+#include <pciaccess.h>
+#include "nvreg.h"
+#include <string.h>
+#include <unistd.h>
+
+#define NV_CIO_CRE_FP_HTIMING_INDEX 0x53
+#define NV_CIO_CRE_FP_VTIMING_INDEX 0x54
+#define NV_CIO_CRE_43 0x43
+#define NV_PRAMDAC_8C0 0x006808c0
+
+#define NV_PRAMDAC_84C 0x0068084c
+#define NV_PRAMDAC_898 0x00680898
+#define NV_PRAMDAC_89C 0x0068089c
+
+#define NV_PRAMDAC_TV_SETUP 0x00680700
+#define NV_PRAMDAC_TV_VBLANK_START 0x00680704
+#define NV_PRAMDAC_TV_VBLANK_END 0x00680708
+#define NV_PRAMDAC_TV_HBLANK_START 0x0068070c
+#define NV_PRAMDAC_TV_HBLANK_END 0x00680710
+#define NV_PRAMDAC_TV_BLANK_COLOR 0x00680714
+#define NV_PRAMDAC_TV_VTOTAL 0x00680720
+#define NV_PRAMDAC_TV_VSYNC_START 0x00680724
+#define NV_PRAMDAC_TV_VSYNC_END 0x00680728
+#define NV_PRAMDAC_TV_HTOTAL 0x0068072c
+#define NV_PRAMDAC_TV_HSYNC_START 0x00680730
+#define NV_PRAMDAC_TV_HSYNC_STOP 0x00680734
+#define NV_PRAMDAC_TV_SYNC_DELAY 0x00680738
+
+int arch;
+
+#define NV_RD32(p, reg) (*(volatile uint32_t*)((char*)(p)+(reg)))
+#define NV_RD08(p, reg) (*(volatile uint8_t*)((char*)(p)+(reg)))
+#define NV_WR32(p, reg, val) do{                 \
+      *(volatile uint32_t*)((char*)(p)+(reg)) = (val);  \
+   }while(0)
+#define NV_WR08(p, reg, val) do{                 \
+      *(volatile uint8_t*)((char*)(p)+(reg)) = (val);   \
+   }while(0)
+
+
+static uint8_t read_vga_crtc(void* regs, int head, uint8_t index)
+{
+   NV_WR08(regs, NV_PRMCIO_CRX__COLOR + head * NV_PRMCIO_SIZE, index);
+   return NV_RD08(regs, NV_PRMCIO_CR__COLOR + head * NV_PRMCIO_SIZE);
+}
+static void write_vga_crtc(void* regs, int head, uint8_t index, uint8_t val)
+{
+   NV_WR08(regs, NV_PRMCIO_CRX__COLOR + head * NV_PRMCIO_SIZE, index);
+   NV_WR08(regs, NV_PRMCIO_CR__COLOR + head * NV_PRMCIO_SIZE, val);
+}
+
+static uint8_t read_prmvio(void* regs, int head, uint32_t reg)
+{
+   if(head && (arch & 0xf0) == 0x40)
+      reg += NV_PRMVIO_SIZE;
+
+   return NV_RD08(regs, reg);
+}
+
+static void write_prmvio(void* regs, int head, uint32_t reg, uint8_t val)
+{
+   if(head && (arch & 0xf0) == 0x40)
+      reg += NV_PRMVIO_SIZE;
+
+   NV_WR08(regs, reg, val);
+}
+
+static uint32_t NVReadRAMDAC(void* regs, int head, uint32_t reg)
+{
+	if (head)
+		reg += NV_PRAMDAC0_SIZE;
+	return NV_RD32(regs, reg);
+}
+
+void NVWriteRAMDAC(void* regs, int head, uint32_t reg, uint32_t val)
+{
+	if (head)
+		reg += NV_PRAMDAC0_SIZE;
+        NV_WR32(regs, reg,val);
+}
+
+static uint32_t NVReadCRTC(void* regs, int head, uint32_t reg)
+{
+	if (head)
+		reg += NV_PCRTC0_SIZE;
+	return NV_RD32(regs, reg);
+}
+
+void NVWriteCRTC(void* regs, int head, uint32_t reg, uint32_t val)
+{
+	if (head)
+		reg += NV_PCRTC0_SIZE;
+	NV_WR32(regs, reg ,val);
+}
+
+void nv_write_ptv(void* regs, uint32_t reg, uint32_t val){
+        NV_WR32(regs, 0xd000+reg, val);
+}
+
+uint32_t nv_read_ptv(void* regs, uint32_t reg){
+        return NV_RD32(regs, 0xd000+reg);
+}
+
+void nv_write_tve(void* regs, uint32_t reg, uint32_t val){
+      NV_WR32(regs, 0xd220, reg);
+      NV_WR32(regs, 0xd224, val);
+}
+
+uint8_t nv_read_tmds(void *regs,
+		     int ramdac, int dl, uint8_t address)
+{
+	NVWriteRAMDAC(regs, ramdac, NV_PRAMDAC_FP_TMDS_CONTROL + dl * 8,
+		      NV_PRAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | address);
+	return NVReadRAMDAC(regs, ramdac, NV_PRAMDAC_FP_TMDS_DATA + dl * 8);
+}
+
+int NVGetArchitecture(volatile uint32_t *regs)
+{
+	int architecture = 0;
+
+	/* We're dealing with >=NV10 */
+	if ((regs[0] & 0x0f000000) > 0 )
+		/* Bit 27-20 contain the architecture in hex */
+		architecture = (regs[0] & 0xff00000) >> 20;
+	/* NV04 or NV05 */
+	else if ((regs[0] & 0xff00fff0) == 0x20004000)
+		architecture = 0x04;
+
+	return architecture;
+}
+
+#define DIFFM(A,B,M) ((A%M + M - B%M)%M)
+#define MASK(field) ((0xffffffff >> (31 - ((1?field) - (0?field)))) << (0?field))
+#define XLATE(src, srclowbit, outfield) ((((src) >> (srclowbit)) << (0?outfield)) & MASK(outfield))
+
+void tv_dump(void* regs){
+   int i,j;
+   arch = NVGetArchitecture(regs);
+
+   printf("-- Architecture: NV%x\n", arch);
+
+   printf("-- TV encoder register dump --\n");
+   for(i=0; i<0x40; i++){
+      NV_WR32(regs, 0xd220, i);
+      printf("%x: %x\n",i,NV_RD32(regs, 0xd224));
+   }
+
+   printf("-- PTV register dump --\n");
+   for(i=0; i<0x10; i+=4)
+      printf("%x: %x\n",0x200+i,NV_RD32(regs, 0xd200+i));
+   for(i=0; i<0x100; i+=4)
+      printf("%x: %x\n",0x300+i,NV_RD32(regs, 0xd300+i));
+   for(i=0; i<0x10; i+=4)
+      printf("%x: %x\n",0x400+i,NV_RD32(regs, 0xd400+i));
+   for(i=0; i<0x90; i+=4)
+      printf("%x: %x\n",0x500+i,NV_RD32(regs, 0xd500+i));
+   for(i=0; i<0x20; i+=4)
+      printf("%x: %x\n",0x600+i,NV_RD32(regs, 0xd600+i));
+
+   write_vga_crtc(regs, 0, NV_CIO_SR_LOCK_INDEX, NV_CIO_SR_UNLOCK_RW_VALUE);
+
+   for(i=0; i<2; i++){
+      write_vga_crtc(regs, 0, NV_CIO_CRE_44, i);
+
+      int horizDisplay = read_vga_crtc(regs, i, NV_CIO_CR_HDE_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_HEB__INDEX),1,8:8);
+      int horizTotal = read_vga_crtc(regs, i, NV_CIO_CR_HDT_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_HEB__INDEX),0,8:8);
+      int horizStart = read_vga_crtc(regs, i, NV_CIO_CR_HRS_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_HEB__INDEX),3,8:8);
+      int horizEnd = read_vga_crtc(regs, i, NV_CIO_CR_HRE_INDEX) & 0x1F;
+      int horizBlankStart = read_vga_crtc(regs, i, NV_CIO_CR_HBS_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_HEB__INDEX),2,8:8);
+      int horizBlankEnd = XLATE(read_vga_crtc(regs, i, NV_CIO_CR_HBE_INDEX),0,4:0) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CR_HRE_INDEX),7, 5:5) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_LSR_INDEX),4,6:6);
+
+      int vertDisplay = XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),6,9:9)|
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),1,8:8) |
+         read_vga_crtc(regs, i, NV_CIO_CR_VDE_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_LSR_INDEX),1,10:10) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_EBR_INDEX),2,11:11);
+      int vertTotal = read_vga_crtc(regs, i, NV_CIO_CR_VDT_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),5,9:9) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),0,8:8) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_LSR_INDEX),0,10:10) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_EBR_INDEX),0,11:11);
+      int vertStart = XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),7,9:9) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),2,8:8) |
+         read_vga_crtc(regs, i, NV_CIO_CR_VRS_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_LSR_INDEX),2,10:10) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_EBR_INDEX),4,11:11);
+      int vertEnd = read_vga_crtc(regs, i, NV_CIO_CR_VRE_INDEX) & 0xF;
+      int vertBlankStart = XLATE(read_vga_crtc(regs, i, NV_CIO_CR_OVL_INDEX),3,8:8) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CR_CELL_HT_INDEX),5,9:9) |
+         read_vga_crtc(regs, i, NV_CIO_CR_VBS_INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_LSR_INDEX),3,10:10) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_EBR_INDEX),6,11:11);
+      int vertBlankEnd = read_vga_crtc(regs, i, NV_CIO_CR_VBE_INDEX);
+
+      int ilace_idx = read_vga_crtc(regs, i, NV_CIO_CRE_ILACE__INDEX) |
+         XLATE(read_vga_crtc(regs, i, NV_CIO_CRE_HEB__INDEX),4,8:8);
+      int dblscan = read_vga_crtc(regs, i, NV_CIO_CR_CELL_HT_INDEX) & 0x80;
+
+      write_prmvio(regs, i, NV_PRMVIO_SRX, NV_VIO_SR_CLOCK_INDEX);
+      int clkdiv2 = read_prmvio(regs, i, NV_PRMVIO_SR)& 0x8;
+
+      int nhsync = read_prmvio(regs, i, NV_PRMVIO_MISC__READ) & 0x40;
+      int nvsync = read_prmvio(regs, i, NV_PRMVIO_MISC__READ) & 0x80;
+
+      printf("-- CRTC %d timings --\n",i);
+      printf("horizDisplay: %d\n",(horizDisplay+1)*8);
+      printf("horizTotal: %d\n",(horizTotal+5)*8);
+      printf("horizSyncStart: %d\n",(horizStart+1)*8);
+      printf("horizSyncEnd: %d\n",(DIFFM(horizEnd,horizStart,0x20)+horizStart+1)*8);
+      printf("horizBlankStart: %d\n",(horizBlankStart+1)*8);
+      printf("horizBlankEnd: %d\n",(DIFFM(horizBlankEnd,horizBlankStart,128)+horizBlankStart+1)*8);
+      printf("vertDisplay: %d\n",vertDisplay+1);
+      printf("vertTotal: %d\n",vertTotal+2);
+      printf("vertSyncStart: %d\n",vertStart+1);
+      printf("vertSyncEnd: %d\n",DIFFM(vertEnd,vertStart,16)+vertStart+1);
+      printf("vertBlankStart: %d\n",vertBlankStart+1);
+      printf("vertBlankEnd: %d\n",DIFFM(vertBlankEnd,vertBlankStart,256)+vertBlankStart+1);
+      printf("ilace_idx: %d%s\n",ilace_idx,(ilace_idx&0xff) == 0xff ? " [off]":"");
+      printf("dblscan: %d\n",dblscan);
+      printf("clkdiv2: %d\n",clkdiv2);
+      printf("nhsync: %d\n",nhsync);
+      printf("nvsync: %d\n",nvsync);
+
+   }
+
+   for(i=0; i<2; i++){
+      int pll = NV_RD32(regs, i? NV_RAMDAC_VPLL2: NV_PRAMDAC_VPLL_COEFF);
+      int n1,m1,n2,m2,p,vco2;
+      float f0;
+
+      {
+         uint32_t crystal_strap_mask = 1 << 6;
+         /* open coded pNv->twoHeads test */
+         if (arch > 0x10 && arch != 0x15 && arch != 0x1a && arch != 0x20)
+            crystal_strap_mask |= 1 << 22;
+
+         switch (NV_RD32(regs, NV_PEXTDEV_BOOT_0) & crystal_strap_mask) {
+            case 0:
+		f0 = 13.500;
+                break;
+            case (1 << 6):
+               f0 = 14.318;
+               break;
+            case (1 << 22):
+               f0 = 27.000;
+               break;
+            case (1 << 22 | 1 << 6):
+               f0 = 25.000;
+               break;
+         }
+      }
+
+
+      if(arch == 0x35 || arch == 0x30){
+              n1=XLATE(pll,8,7:0);
+              m1=XLATE(pll, 0, 3:0);
+              n2=XLATE(pll, 19, 2:0) | XLATE(pll, 24, 4:3);
+              m2=XLATE(pll, 4, 2:0);
+              p=XLATE(pll, 16, 2:0);
+              vco2=pll&0x80;
+
+      } else if(arch == 0x31 || arch == 0x36 || arch >= 0x40) {
+              int pll2 = NV_RD32(regs, i? NV_RAMDAC_VPLL2 + 0x5c: NV_PRAMDAC_VPLL_COEFF + 0x70);
+
+              if(arch >= 0x40)
+                      vco2 = (i==0 && !(NVReadRAMDAC(regs, 0, NV_PRAMDAC_580) & NV_RAMDAC_580_VPLL1_ACTIVE)) ||
+                              (i==1 && !(NVReadRAMDAC(regs, 0, NV_PRAMDAC_580) & NV_RAMDAC_580_VPLL2_ACTIVE));
+              else
+                      vco2 = 1;
+
+              n1=XLATE(pll,8,7:0);
+              m1=XLATE(pll, 0, 7:0);
+              p=XLATE(pll, 16, 2:0);
+
+              n2=XLATE(pll2,8,7:0);
+              m2=XLATE(pll2, 0, 7:0);
+
+      } else {
+              n1=XLATE(pll,8,7:0);
+              m1=XLATE(pll, 0, 7:0);
+              n2=1;
+              m2=1;
+              p=XLATE(pll, 16, 2:0);
+              vco2=0;
+      }
+
+      printf("-- VPLL%d: 0x%x N1=0x%x M1=0x%x N2=0x%x M2=0x%x P=0x%x VCO2=%d f0=%f f=%f\n",
+             i ,pll, n1, m1, n2, m2, p, vco2, f0, f0*(float)n1/m1*(vco2?n2/m2:1)*(float)(1<<(7-p))/(1<<7));
+   }
+
+   for(i=0; i<2; i++){
+      printf("-- VGA CRTC%d registers --\n",i);
+      printf("NV_CIO_CRE_PIXEL_INDEX: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_PIXEL_INDEX));
+      printf("NV_CIO_CRE_LCD__INDEX: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_LCD__INDEX));
+      printf("NV_CIO_CRE_FP_HTIMING_INDEX: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_FP_HTIMING_INDEX));
+      printf("NV_CIO_CRE_FP_VTIMING_INDEX: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_FP_VTIMING_INDEX));
+      printf("NV_CIO_CRE_43: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_43));
+      printf("NV_CIO_CRE_RPC1_INDEX: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_RPC1_INDEX));
+      printf("NV_CIO_CRE_ENH_INDEX: 0x%x\n", read_vga_crtc(regs, i, NV_CIO_CRE_ENH_INDEX));
+   }
+
+
+   for(j=0; j<2; j++){
+           printf("-- VGA CRTC%d registers --\n", j);
+           for(i=0; i<0x9f; i++)
+                   printf("CRTC%x %x: %x\n", j, i, read_vga_crtc(regs, j, i));
+   }
+
+   for(i=0; i<2; i++){
+      printf("-- PRAMDAC%d registers --\n",i);
+      printf("NV_PRAMDAC_630: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_630));
+      printf("NV_PRAMDAC0_OFFSET+0x674: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC0_OFFSET+0x674));
+      printf("NV_PRAMDAC_TV_SETUP: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_SETUP));
+      printf("NV_PRAMDAC_TV_VBLANK_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_VBLANK_START));
+      printf("NV_PRAMDAC_TV_VBLANK_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_VBLANK_END));
+      printf("NV_PRAMDAC_TV_HBLANK_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_HBLANK_START));
+      printf("NV_PRAMDAC_TV_HBLANK_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_HBLANK_END));
+      printf("NV_PRAMDAC_TV_BLANK_COLOR: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_BLANK_COLOR));
+      printf("NV_PRAMDAC_TV_VTOTAL: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_VTOTAL));
+      printf("NV_PRAMDAC_TV_VSYNC_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_VSYNC_START));
+      printf("NV_PRAMDAC_TV_VSYNC_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_VSYNC_END));
+      printf("NV_PRAMDAC_TV_HTOTAL: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_HTOTAL));
+      printf("NV_PRAMDAC_TV_HSYNC_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_HSYNC_START));
+      printf("NV_PRAMDAC_TV_HSYNC_STOP: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_HSYNC_STOP));
+      printf("NV_PRAMDAC_TV_SYNC_DELAY: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_TV_SYNC_DELAY));
+      printf("NV_PRAMDAC_FP_DEBUG_0: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_DEBUG_0));
+      printf("NV_PRAMDAC_FP_DEBUG_1: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_DEBUG_1));
+      printf("NV_PRAMDAC_FP_DEBUG_2: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_DEBUG_2));
+      printf("NV_PRAMDAC_FP_TG_CONTROL: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_TG_CONTROL));
+      printf("NV_PRAMDAC_FP_HTOTAL: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HTOTAL));
+      printf("NV_PRAMDAC_FP_HVALID_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HVALID_START));
+      printf("NV_PRAMDAC_FP_HVALID_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HVALID_END));
+      printf("NV_PRAMDAC_FP_HDISPLAY_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HDISPLAY_END));
+      printf("NV_PRAMDAC_FP_HCRTC: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HCRTC));
+      printf("NV_PRAMDAC_FP_HSYNC_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HSYNC_START));
+      printf("NV_PRAMDAC_FP_HSYNC_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_HSYNC_END));
+      printf("NV_PRAMDAC_FP_VTOTAL: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VTOTAL));
+      printf("NV_PRAMDAC_FP_VVALID_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VVALID_START));
+      printf("NV_PRAMDAC_FP_VVALID_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VVALID_END));
+      printf("NV_PRAMDAC_FP_VDISPLAY_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VDISPLAY_END));
+      printf("NV_PRAMDAC_FP_VCRTC: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VCRTC));
+      printf("NV_PRAMDAC_FP_VSYNC_START: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VSYNC_START));
+      printf("NV_PRAMDAC_FP_VSYNC_END: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_FP_VSYNC_END));
+      printf("NV_PRAMDAC_84C: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_84C));
+      printf("NV_PRAMDAC_898: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_898));
+      printf("NV_PRAMDAC_89C: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_89C));
+      printf("NV_PRAMDAC_8C0: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_8C0));
+      printf("NV_PRAMDAC_900: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_900));
+      printf("NV_PRAMDAC_PLL_SETUP_CONTROL: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_PLL_SETUP_CONTROL));
+      printf("NV_PRAMDAC_SEL_CLK: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_SEL_CLK));
+      printf("NV_PRAMDAC_PLL_COEFF_SELECT: 0x%x\n", NVReadRAMDAC(regs, i, NV_PRAMDAC_PLL_COEFF_SELECT));
+
+      for(j=0; j<64; j++)
+              printf("NV_PRAMDAC0_OFFSET+0xc%02x: 0x%x\n", 4*j, NVReadRAMDAC(regs, i, NV_PRAMDAC0_OFFSET+0xc00+4*j));
+   }
+
+   for(i=0; i<2; i++){
+      printf("-- TMDS%d registers --\n",i);
+      for (j=0; j<0x40; j++)
+	      printf("TMDS%d_%x: 0x%x\n", i, j, nv_read_tmds(regs, i, 0, j));
+
+   }
+
+   for(i=0; i<2; i++){
+      printf("-- PCRTC%d registers --\n",i);
+      printf("NV_PCRTC_CONFIG: 0x%x\n", NVReadCRTC(regs, i, NV_PCRTC_CONFIG));
+      printf("NV_PCRTC_START: 0x%x\n", NVReadCRTC(regs, i, NV_PCRTC_START));
+      printf("NV_PCRTC_GPIO_EXT: 0x%x\n", NVReadCRTC(regs, i, NV_PCRTC_GPIO_EXT));
+      printf("NV_PCRTC_830: 0x%x\n", NVReadCRTC(regs, i, NV_PCRTC_830));
+      printf("NV_PCRTC_834: 0x%x\n", NVReadCRTC(regs, i, NV_PCRTC_834));
+   }
+
+   printf("-- OUTPUT registers--\n");
+   int offsets[] = {0, 0x68, 0x2000, 0x2068};
+
+   for(i=0; i< sizeof(offsets)/sizeof(int); i++)
+           printf("NV_PRAMDAC_DACCLK+0x%x: 0x%x\n",offsets[i], NVReadRAMDAC(regs, 0, NV_PRAMDAC_DACCLK+offsets[i]));
+
+   printf("-- PVIDEO registers --\n");
+   printf("NV_PVIDEO_DEBUG_0: 0x%x\n", NV_RD32(regs,0x00008080));
+   printf("NV_PVIDEO_DEBUG_1: 0x%x\n", NV_RD32(regs,0x00008084));
+   printf("NV_PVIDEO_DEBUG_2: 0x%x\n", NV_RD32(regs,0x00008088));
+   printf("NV_PVIDEO_DEBUG_3: 0x%x\n", NV_RD32(regs,0x0000808C));
+   printf("NV_PVIDEO_DEBUG_4: 0x%x\n", NV_RD32(regs,0x00008090));
+   printf("NV_PVIDEO_DEBUG_5: 0x%x\n", NV_RD32(regs,0x00008094));
+   printf("NV_PVIDEO_DEBUG_6: 0x%x\n", NV_RD32(regs,0x00008098));
+   printf("NV_PVIDEO_DEBUG_7: 0x%x\n", NV_RD32(regs,0x0000809C));
+   printf("NV_PVIDEO_DEBUG_8: 0x%x\n", NV_RD32(regs,0x000080A0));
+   printf("NV_PVIDEO_DEBUG_9: 0x%x\n", NV_RD32(regs,0x000080A4));
+   printf("NV_PVIDEO_DEBUG_10: 0x%x\n", NV_RD32(regs,0x000080A8));
+   printf("NV_PVIDEO_INTR: 0x%x\n", NV_RD32(regs,0x00008100));
+   printf("NV_PVIDEO_INTR_REASON: 0x%x\n", NV_RD32(regs,0x00008104));
+   printf("NV_PVIDEO_INTR_EN: 0x%x\n", NV_RD32(regs,0x00008140));
+   printf("NV_PVIDEO_BUFFER: 0x%x\n", NV_RD32(regs,0x00008700));
+   printf("NV_PVIDEO_STOP: 0x%x\n", NV_RD32(regs,0x00008704));
+   printf("NV_PVIDEO_BASE: 0x%x\n", NV_RD32(regs,0x00008900));
+   printf("NV_PVIDEO_LIMIT: 0x%x\n", NV_RD32(regs,0x00008908));
+   printf("NV_PVIDEO_LUMINANCE: 0x%x\n", NV_RD32(regs,0x00008910));
+   printf("NV_PVIDEO_CHROMINANCE: 0x%x\n", NV_RD32(regs,0x00008918));
+   printf("NV_PVIDEO_OFFSET: 0x%x\n", NV_RD32(regs,0x00008920));
+   printf("NV_PVIDEO_SIZE_IN: 0x%x\n", NV_RD32(regs,0x00008928));
+   printf("NV_PVIDEO_POINT_IN: 0x%x\n", NV_RD32(regs,0x00008930));
+   printf("NV_PVIDEO_DS_DX: 0x%x\n", NV_RD32(regs,0x00008938));
+   printf("NV_PVIDEO_DT_DY: 0x%x\n", NV_RD32(regs,0x00008940));
+   printf("NV_PVIDEO_POINT_OUT: 0x%x\n", NV_RD32(regs,0x00008948));
+   printf("NV_PVIDEO_SIZE_OUT: 0x%x\n", NV_RD32(regs,0x00008950));
+   printf("NV_PVIDEO_FORMAT: 0x%x\n", NV_RD32(regs,0x00008958));
+   printf("NV_PVIDEO_COLOR_KEY: 0x%x\n", NV_RD32(regs,0x00008B00));
+   printf("NV_PVIDEO_TEST: 0x%x\n", NV_RD32(regs,0x00008D00));
+   printf("NV_PVIDEO_TST_WRITE: 0x%x\n", NV_RD32(regs,0x00008D10));
+   printf("NV_PVIDEO_TST_READ: 0x%x\n", NV_RD32(regs,0x00008D40));
+
+   printf("-- MISC registers --\n");
+   printf("0x00c1e040: 0x%x\n", NV_RD32(regs, 0x00c1e040));
+   printf("NV_PBUS_POWERCTRL_2: 0x%x\n", NV_RD32(regs, NV_PBUS_POWERCTRL_2));
+   printf("NV_PBUS_PCI_NV_20: 0x%x\n", NV_RD32(regs, NV_PBUS_PCI_NV_20));
+   printf("NV_PBUS_OFFSET+0x524: 0x%x\n", NV_RD32(regs, NV_PBUS_OFFSET+0x524));
+   printf("NV_PBUS_OFFSET+0x588: 0x%x\n", NV_RD32(regs, NV_PBUS_OFFSET+0x588));
+
+
+}
+
+int main(){
+   void* regs;
+   int ret;
+
+   ret = pci_system_init();
+
+   if(ret){
+      fprintf(stderr,"Error calling pci_system_init().\n");
+
+      return 1;
+   }
+
+   struct pci_id_match nv_match = {0x10de, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0x30000, 0xffff0000};
+   struct pci_device_iterator* it = pci_id_match_iterator_create(&nv_match);
+
+   if(!it){
+      fprintf(stderr,"Error calling pci_id_match_iterator_create().\n");
+
+      pci_iterator_destroy(it);
+
+      return 1;
+   }
+
+   struct pci_device* dev = pci_device_next(it);
+
+   if(!dev){
+      fprintf(stderr,"No devices found.\n");
+
+      pci_iterator_destroy(it);
+      pci_system_cleanup();
+
+      return 1;
+   }
+
+   ret = pci_device_probe(dev);
+
+   if(ret){
+      fprintf(stderr, "Error calling pci_device_probe().\n");
+
+      pci_iterator_destroy(it);
+      pci_system_cleanup();
+
+      return 1;
+   }
+
+   ret = pci_device_map_range(dev, dev->regions[0].base_addr, dev->regions[0].size, PCI_DEV_MAP_FLAG_WRITABLE,&regs);
+
+   if(ret){
+      fprintf(stderr, "Error calling pci_device_map_range().\n");
+
+      pci_iterator_destroy(it);
+      pci_system_cleanup();
+
+      return 1;
+   }
+
+   tv_dump(regs);
+
+   pci_device_unmap_range(dev, regs, dev->regions[0].size);
+   pci_iterator_destroy(it);
+   pci_system_cleanup();
+
+   return 0;
+}
diff --git a/tvdump2code.py b/tvdump2code.py
new file mode 100644
index 0000000..9b73cc0
--- /dev/null
+++ b/tvdump2code.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python
+
+import sys
+import re
+
+mode=""
+
+print """#define NV_PRAMDAC_84C 0x0068084c
+#define NV_PRAMDAC_898 0x00680898
+#define NV_PRAMDAC_89C 0x0068089c
+
+#define NV_PRAMDAC_TV_SETUP 0x00680700
+#define NV_PRAMDAC_TV_VBLANK_START 0x00680704
+#define NV_PRAMDAC_TV_VBLANK_END 0x00680708
+#define NV_PRAMDAC_TV_HBLANK_START 0x0068070c
+#define NV_PRAMDAC_TV_HBLANK_END 0x00680710
+#define NV_PRAMDAC_TV_BLANK_COLOR 0x00680714
+#define NV_PRAMDAC_TV_VTOTAL 0x00680720
+#define NV_PRAMDAC_TV_VSYNC_START 0x00680724
+#define NV_PRAMDAC_TV_VSYNC_END 0x00680728
+#define NV_PRAMDAC_TV_HTOTAL 0x0068072c
+#define NV_PRAMDAC_TV_HSYNC_START 0x00680730
+#define NV_PRAMDAC_TV_HSYNC_STOP 0x00680734
+#define NV_PRAMDAC_TV_SYNC_DELAY 0x00680738"""
+
+
+for l in sys.stdin.readlines():
+    if re.match(".*TV encoder register dump.*",l):
+        mode="tvenc"
+        continue
+    elif re.match(".*PTV register dump.*",l):
+        mode="ptv"
+        continue
+    elif re.match(".*CRTC . timings.*",l):
+        mode=""
+        continue
+    elif re.match(".*VGA CRTC. registers.*",l):
+        mode="vgacrtc"
+        continue
+    elif re.match(".*PRAMDAC. registers.*",l):
+        mode="pramdac"
+        i=int(re.match(".*PRAMDAC(.) registers.*",l).group(1))
+        continue
+    elif re.match(".*PCRTC. registers.*",l):
+        mode="pcrtc"
+        i=int(re.match(".*PCRTC(.) registers.*",l).group(1))
+        continue
+    elif re.match(".*(OUTPUT|MISC) registers.*",l):
+        mode="output"
+        continue
+
+    if mode == "":
+        pass
+    elif mode == "tvenc":
+        print re.sub("(.*) *: *(.*)","nv_write_tv_enc(pNv, 0x\\1, 0x\\2);",l)[0:-1]
+    elif mode == "ptv":
+        print re.sub("(.*) *: *(.*)","nv_write_ptv(pNv, 0x\\1, 0x\\2);",l)[0:-1]
+    elif mode == "vgacrtc":
+        if re.match("^CRTC[01]",l):
+            print re.sub("CRTC(.) (.*) *: *(.*)","	NVWriteVgaCrtc(pNv, \\1, 0x\\2, 0x\\3);",l)[0:-1]
+    elif mode == "pramdac":
+        print re.sub("(.*) *: *(.*)"," NVWriteRAMDAC(pNv, %d, \\1, \\2);" % (i),l)[0:-1]
+    elif mode == "pcrtc":
+        print re.sub("(.*) *: *(.*)"," NVWriteCRTC(pNv, %d, \\1, \\2);" % (i),l)[0:-1]
+    elif mode == "output":
+        print re.sub("(.*) *: *(.*)"," 	NV_WR32(pNv->REGS, \\1, \\2);",l)[0:-1]