i915: initial (and untested) TV out support

Ported from xf86-video-intel.  Still need to tie in TV modes somehow, though
preferably w/o using the properties mechanism.

1 files changed, 573 insertions, 0 deletions

diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index 19fec0fc..1432806d 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/i915_drv.h
@@ -1192,6 +1192,579 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 # define LVDS_B0B3_POWER_DOWN		(0 << 2)
 # define LVDS_B0B3_POWER_UP		(3 << 2)
 
+#define TV_CTL			0x68000
+/** Enables the TV encoder */
+# define TV_ENC_ENABLE			(1 << 31)
+/** Sources the TV encoder input from pipe B instead of A. */
+# define TV_ENC_PIPEB_SELECT		(1 << 30)
+/** Outputs composite video (DAC A only) */
+# define TV_ENC_OUTPUT_COMPOSITE	(0 << 28)
+/** Outputs SVideo video (DAC B/C) */
+# define TV_ENC_OUTPUT_SVIDEO		(1 << 28)
+/** Outputs Component video (DAC A/B/C) */
+# define TV_ENC_OUTPUT_COMPONENT	(2 << 28)
+/** Outputs Composite and SVideo (DAC A/B/C) */
+# define TV_ENC_OUTPUT_SVIDEO_COMPOSITE	(3 << 28)
+# define TV_TRILEVEL_SYNC		(1 << 21)
+/** Enables slow sync generation (945GM only) */
+# define TV_SLOW_SYNC			(1 << 20)
+/** Selects 4x oversampling for 480i and 576p */
+# define TV_OVERSAMPLE_4X		(0 << 18)
+/** Selects 2x oversampling for 720p and 1080i */
+# define TV_OVERSAMPLE_2X		(1 << 18)
+/** Selects no oversampling for 1080p */
+# define TV_OVERSAMPLE_NONE		(2 << 18)
+/** Selects 8x oversampling */
+# define TV_OVERSAMPLE_8X		(3 << 18)
+/** Selects progressive mode rather than interlaced */
+# define TV_PROGRESSIVE			(1 << 17)
+/** Sets the colorburst to PAL mode.  Required for non-M PAL modes. */
+# define TV_PAL_BURST			(1 << 16)
+/** Field for setting delay of Y compared to C */
+# define TV_YC_SKEW_MASK		(7 << 12)
+/** Enables a fix for 480p/576p standard definition modes on the 915GM only */
+# define TV_ENC_SDP_FIX			(1 << 11)
+/**
+ * Enables a fix for the 915GM only.
+ *
+ * Not sure what it does.
+ */
+# define TV_ENC_C0_FIX			(1 << 10)
+/** Bits that must be preserved by software */
+# define TV_CTL_SAVE			((3 << 8) | (3 << 6))
+# define TV_FUSE_STATE_MASK		(3 << 4)
+/** Read-only state that reports all features enabled */
+# define TV_FUSE_STATE_ENABLED		(0 << 4)
+/** Read-only state that reports that Macrovision is disabled in hardware*/
+# define TV_FUSE_STATE_NO_MACROVISION	(1 << 4)
+/** Read-only state that reports that TV-out is disabled in hardware. */
+# define TV_FUSE_STATE_DISABLED		(2 << 4)
+/** Normal operation */
+# define TV_TEST_MODE_NORMAL		(0 << 0)
+/** Encoder test pattern 1 - combo pattern */
+# define TV_TEST_MODE_PATTERN_1		(1 << 0)
+/** Encoder test pattern 2 - full screen vertical 75% color bars */
+# define TV_TEST_MODE_PATTERN_2		(2 << 0)
+/** Encoder test pattern 3 - full screen horizontal 75% color bars */
+# define TV_TEST_MODE_PATTERN_3		(3 << 0)
+/** Encoder test pattern 4 - random noise */
+# define TV_TEST_MODE_PATTERN_4		(4 << 0)
+/** Encoder test pattern 5 - linear color ramps */
+# define TV_TEST_MODE_PATTERN_5		(5 << 0)
+/**
+ * This test mode forces the DACs to 50% of full output.
+ *
+ * This is used for load detection in combination with TVDAC_SENSE_MASK
+ */
+# define TV_TEST_MODE_MONITOR_DETECT	(7 << 0)
+# define TV_TEST_MODE_MASK		(7 << 0)
+/** @} */
+
+/** @defgroup TV_DAC
+ * @{
+ */
+#define TV_DAC			0x68004
+/**
+ * Reports that DAC state change logic has reported change (RO).
+ *
+ * This gets cleared when TV_DAC_STATE_EN is cleared
+*/
+# define TVDAC_STATE_CHG		(1 << 31)
+# define TVDAC_SENSE_MASK		(7 << 28)
+/** Reports that DAC A voltage is above the detect threshold */
+# define TVDAC_A_SENSE			(1 << 30)
+/** Reports that DAC B voltage is above the detect threshold */
+# define TVDAC_B_SENSE			(1 << 29)
+/** Reports that DAC C voltage is above the detect threshold */
+# define TVDAC_C_SENSE			(1 << 28)
+/**
+ * Enables DAC state detection logic, for load-based TV detection.
+ *
+ * The PLL of the chosen pipe (in TV_CTL) must be running, and the encoder set
+ * to off, for load detection to work.
+ */
+# define TVDAC_STATE_CHG_EN		(1 << 27)
+/** Sets the DAC A sense value to high */
+# define TVDAC_A_SENSE_CTL		(1 << 26)
+/** Sets the DAC B sense value to high */
+# define TVDAC_B_SENSE_CTL		(1 << 25)
+/** Sets the DAC C sense value to high */
+# define TVDAC_C_SENSE_CTL		(1 << 24)
+/** Overrides the ENC_ENABLE and DAC voltage levels */
+# define DAC_CTL_OVERRIDE		(1 << 7)
+/** Sets the slew rate.  Must be preserved in software */
+# define ENC_TVDAC_SLEW_FAST		(1 << 6)
+# define DAC_A_1_3_V			(0 << 4)
+# define DAC_A_1_1_V			(1 << 4)
+# define DAC_A_0_7_V			(2 << 4)
+# define DAC_A_OFF			(3 << 4)
+# define DAC_B_1_3_V			(0 << 2)
+# define DAC_B_1_1_V			(1 << 2)
+# define DAC_B_0_7_V			(2 << 2)
+# define DAC_B_OFF			(3 << 2)
+# define DAC_C_1_3_V			(0 << 0)
+# define DAC_C_1_1_V			(1 << 0)
+# define DAC_C_0_7_V			(2 << 0)
+# define DAC_C_OFF			(3 << 0)
+/** @} */
+
+/**
+ * CSC coefficients are stored in a floating point format with 9 bits of
+ * mantissa and 2 or 3 bits of exponent.  The exponent is represented as 2**-n,
+ * where 2-bit exponents are unsigned n, and 3-bit exponents are signed n with
+ * -1 (0x3) being the only legal negative value.
+ */
+#define TV_CSC_Y		0x68010
+# define TV_RY_MASK			0x07ff0000
+# define TV_RY_SHIFT			16
+# define TV_GY_MASK			0x00000fff
+# define TV_GY_SHIFT			0
+
+#define TV_CSC_Y2		0x68014
+# define TV_BY_MASK			0x07ff0000
+# define TV_BY_SHIFT			16
+/**
+ * Y attenuation for component video.
+ *
+ * Stored in 1.9 fixed point.
+ */
+# define TV_AY_MASK			0x000003ff
+# define TV_AY_SHIFT			0
+
+#define TV_CSC_U		0x68018
+# define TV_RU_MASK			0x07ff0000
+# define TV_RU_SHIFT			16
+# define TV_GU_MASK			0x000007ff
+# define TV_GU_SHIFT			0
+
+#define TV_CSC_U2		0x6801c
+# define TV_BU_MASK			0x07ff0000
+# define TV_BU_SHIFT			16
+/**
+ * U attenuation for component video.
+ *
+ * Stored in 1.9 fixed point.
+ */
+# define TV_AU_MASK			0x000003ff
+# define TV_AU_SHIFT			0
+
+#define TV_CSC_V		0x68020
+# define TV_RV_MASK			0x0fff0000
+# define TV_RV_SHIFT			16
+# define TV_GV_MASK			0x000007ff
+# define TV_GV_SHIFT			0
+
+#define TV_CSC_V2		0x68024
+# define TV_BV_MASK			0x07ff0000
+# define TV_BV_SHIFT			16
+/**
+ * V attenuation for component video.
+ *
+ * Stored in 1.9 fixed point.
+ */
+# define TV_AV_MASK			0x000007ff
+# define TV_AV_SHIFT			0
+
+/** @defgroup TV_CSC_KNOBS
+ * @{
+ */
+#define TV_CLR_KNOBS		0x68028
+/** 2s-complement brightness adjustment */
+# define TV_BRIGHTNESS_MASK		0xff000000
+# define TV_BRIGHTNESS_SHIFT		24
+/** Contrast adjustment, as a 2.6 unsigned floating point number */
+# define TV_CONTRAST_MASK		0x00ff0000
+# define TV_CONTRAST_SHIFT		16
+/** Saturation adjustment, as a 2.6 unsigned floating point number */
+# define TV_SATURATION_MASK		0x0000ff00
+# define TV_SATURATION_SHIFT		8
+/** Hue adjustment, as an integer phase angle in degrees */
+# define TV_HUE_MASK			0x000000ff
+# define TV_HUE_SHIFT			0
+/** @} */
+
+/** @defgroup TV_CLR_LEVEL
+ * @{
+ */
+#define TV_CLR_LEVEL		0x6802c
+/** Controls the DAC level for black */
+# define TV_BLACK_LEVEL_MASK		0x01ff0000
+# define TV_BLACK_LEVEL_SHIFT		16
+/** Controls the DAC level for blanking */
+# define TV_BLANK_LEVEL_MASK		0x000001ff
+# define TV_BLANK_LEVEL_SHIFT		0
+/* @} */
+
+/** @defgroup TV_H_CTL_1
+ * @{
+ */
+#define TV_H_CTL_1		0x68030
+/** Number of pixels in the hsync. */
+# define TV_HSYNC_END_MASK		0x1fff0000
+# define TV_HSYNC_END_SHIFT		16
+/** Total number of pixels minus one in the line (display and blanking). */
+# define TV_HTOTAL_MASK			0x00001fff
+# define TV_HTOTAL_SHIFT		0
+/** @} */
+
+/** @defgroup TV_H_CTL_2
+ * @{
+ */
+#define TV_H_CTL_2		0x68034
+/** Enables the colorburst (needed for non-component color) */
+# define TV_BURST_ENA			(1 << 31)
+/** Offset of the colorburst from the start of hsync, in pixels minus one. */
+# define TV_HBURST_START_SHIFT		16
+# define TV_HBURST_START_MASK		0x1fff0000
+/** Length of the colorburst */
+# define TV_HBURST_LEN_SHIFT		0
+# define TV_HBURST_LEN_MASK		0x0001fff
+/** @} */
+
+/** @defgroup TV_H_CTL_3
+ * @{
+ */
+#define TV_H_CTL_3		0x68038
+/** End of hblank, measured in pixels minus one from start of hsync */
+# define TV_HBLANK_END_SHIFT		16
+# define TV_HBLANK_END_MASK		0x1fff0000
+/** Start of hblank, measured in pixels minus one from start of hsync */
+# define TV_HBLANK_START_SHIFT		0
+# define TV_HBLANK_START_MASK		0x0001fff
+/** @} */
+
+/** @defgroup TV_V_CTL_1
+ * @{
+ */
+#define TV_V_CTL_1		0x6803c
+/** XXX */
+# define TV_NBR_END_SHIFT		16
+# define TV_NBR_END_MASK		0x07ff0000
+/** XXX */
+# define TV_VI_END_F1_SHIFT		8
+# define TV_VI_END_F1_MASK		0x00003f00
+/** XXX */
+# define TV_VI_END_F2_SHIFT		0
+# define TV_VI_END_F2_MASK		0x0000003f
+/** @} */
+
+/** @defgroup TV_V_CTL_2
+ * @{
+ */
+#define TV_V_CTL_2		0x68040
+/** Length of vsync, in half lines */
+# define TV_VSYNC_LEN_MASK		0x07ff0000
+# define TV_VSYNC_LEN_SHIFT		16
+/** Offset of the start of vsync in field 1, measured in one less than the
+ * number of half lines.
+ */
+# define TV_VSYNC_START_F1_MASK		0x00007f00
+# define TV_VSYNC_START_F1_SHIFT	8
+/**
+ * Offset of the start of vsync in field 2, measured in one less than the
+ * number of half lines.
+ */
+# define TV_VSYNC_START_F2_MASK		0x0000007f
+# define TV_VSYNC_START_F2_SHIFT	0
+/** @} */
+
+/** @defgroup TV_V_CTL_3
+ * @{
+ */
+#define TV_V_CTL_3		0x68044
+/** Enables generation of the equalization signal */
+# define TV_EQUAL_ENA			(1 << 31)
+/** Length of vsync, in half lines */
+# define TV_VEQ_LEN_MASK		0x007f0000
+# define TV_VEQ_LEN_SHIFT		16
+/** Offset of the start of equalization in field 1, measured in one less than
+ * the number of half lines.
+ */
+# define TV_VEQ_START_F1_MASK		0x0007f00
+# define TV_VEQ_START_F1_SHIFT		8
+/**
+ * Offset of the start of equalization in field 2, measured in one less than
+ * the number of half lines.
+ */
+# define TV_VEQ_START_F2_MASK		0x000007f
+# define TV_VEQ_START_F2_SHIFT		0
+/** @} */
+
+/** @defgroup TV_V_CTL_4
+ * @{
+ */
+#define TV_V_CTL_4		0x68048
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F1_MASK	0x003f0000
+# define TV_VBURST_START_F1_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F1_MASK		0x000000ff
+# define TV_VBURST_END_F1_SHIFT		0
+/** @} */
+
+/** @defgroup TV_V_CTL_5
+ * @{
+ */
+#define TV_V_CTL_5		0x6804c
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F2_MASK	0x003f0000
+# define TV_VBURST_START_F2_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F2_MASK		0x000000ff
+# define TV_VBURST_END_F2_SHIFT		0
+/** @} */
+
+/** @defgroup TV_V_CTL_6
+ * @{
+ */
+#define TV_V_CTL_6		0x68050
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F3_MASK	0x003f0000
+# define TV_VBURST_START_F3_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F3_MASK		0x000000ff
+# define TV_VBURST_END_F3_SHIFT		0
+/** @} */
+
+/** @defgroup TV_V_CTL_7
+ * @{
+ */
+#define TV_V_CTL_7		0x68054
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F4_MASK	0x003f0000
+# define TV_VBURST_START_F4_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F4_MASK		0x000000ff
+# define TV_VBURST_END_F4_SHIFT		0
+/** @} */
+
+/** @defgroup TV_SC_CTL_1
+ * @{
+ */
+#define TV_SC_CTL_1		0x68060
+/** Turns on the first subcarrier phase generation DDA */
+# define TV_SC_DDA1_EN			(1 << 31)
+/** Turns on the first subcarrier phase generation DDA */
+# define TV_SC_DDA2_EN			(1 << 30)
+/** Turns on the first subcarrier phase generation DDA */
+# define TV_SC_DDA3_EN			(1 << 29)
+/** Sets the subcarrier DDA to reset frequency every other field */
+# define TV_SC_RESET_EVERY_2		(0 << 24)
+/** Sets the subcarrier DDA to reset frequency every fourth field */
+# define TV_SC_RESET_EVERY_4		(1 << 24)
+/** Sets the subcarrier DDA to reset frequency every eighth field */
+# define TV_SC_RESET_EVERY_8		(2 << 24)
+/** Sets the subcarrier DDA to never reset the frequency */
+# define TV_SC_RESET_NEVER		(3 << 24)
+/** Sets the peak amplitude of the colorburst.*/
+# define TV_BURST_LEVEL_MASK		0x00ff0000
+# define TV_BURST_LEVEL_SHIFT		16
+/** Sets the increment of the first subcarrier phase generation DDA */
+# define TV_SCDDA1_INC_MASK		0x00000fff
+# define TV_SCDDA1_INC_SHIFT		0
+/** @} */
+
+/** @defgroup TV_SC_CTL_2
+ * @{
+ */
+#define TV_SC_CTL_2		0x68064
+/** Sets the rollover for the second subcarrier phase generation DDA */
+# define TV_SCDDA2_SIZE_MASK		0x7fff0000
+# define TV_SCDDA2_SIZE_SHIFT		16
+/** Sets the increent of the second subcarrier phase generation DDA */
+# define TV_SCDDA2_INC_MASK		0x00007fff
+# define TV_SCDDA2_INC_SHIFT		0
+/** @} */
+
+/** @defgroup TV_SC_CTL_3
+ * @{
+ */
+#define TV_SC_CTL_3		0x68068
+/** Sets the rollover for the third subcarrier phase generation DDA */
+# define TV_SCDDA3_SIZE_MASK		0x7fff0000
+# define TV_SCDDA3_SIZE_SHIFT		16
+/** Sets the increent of the third subcarrier phase generation DDA */
+# define TV_SCDDA3_INC_MASK		0x00007fff
+# define TV_SCDDA3_INC_SHIFT		0
+/** @} */
+
+/** @defgroup TV_WIN_POS
+ * @{
+ */
+#define TV_WIN_POS		0x68070
+/** X coordinate of the display from the start of horizontal active */
+# define TV_XPOS_MASK			0x1fff0000
+# define TV_XPOS_SHIFT			16
+/** Y coordinate of the display from the start of vertical active (NBR) */
+# define TV_YPOS_MASK			0x00000fff
+# define TV_YPOS_SHIFT			0
+/** @} */
+
+/** @defgroup TV_WIN_SIZE
+ * @{
+ */
+#define TV_WIN_SIZE		0x68074
+/** Horizontal size of the display window, measured in pixels*/
+# define TV_XSIZE_MASK			0x1fff0000
+# define TV_XSIZE_SHIFT			16
+/**
+ * Vertical size of the display window, measured in pixels.
+ *
+ * Must be even for interlaced modes.
+ */
+# define TV_YSIZE_MASK			0x00000fff
+# define TV_YSIZE_SHIFT			0
+/** @} */
+
+/** @defgroup TV_FILTER_CTL_1
+ * @{
+ */
+#define TV_FILTER_CTL_1		0x68080
+/**
+ * Enables automatic scaling calculation.
+ *
+ * If set, the rest of the registers are ignored, and the calculated values can
+ * be read back from the register.
+ */
+# define TV_AUTO_SCALE			(1 << 31)
+/**
+ * Disables the vertical filter.
+ *
+ * This is required on modes more than 1024 pixels wide */
+# define TV_V_FILTER_BYPASS		(1 << 29)
+/** Enables adaptive vertical filtering */
+# define TV_VADAPT			(1 << 28)
+# define TV_VADAPT_MODE_MASK		(3 << 26)
+/** Selects the least adaptive vertical filtering mode */
+# define TV_VADAPT_MODE_LEAST		(0 << 26)
+/** Selects the moderately adaptive vertical filtering mode */
+# define TV_VADAPT_MODE_MODERATE	(1 << 26)
+/** Selects the most adaptive vertical filtering mode */
+# define TV_VADAPT_MODE_MOST		(3 << 26)
+/**
+ * Sets the horizontal scaling factor.
+ *
+ * This should be the fractional part of the horizontal scaling factor divided
+ * by the oversampling rate.  TV_HSCALE should be less than 1, and set to:
+ *
+ * (src width - 1) / ((oversample * dest width) - 1)
+ */
+# define TV_HSCALE_FRAC_MASK		0x00003fff
+# define TV_HSCALE_FRAC_SHIFT		0
+/** @} */
+
+/** @defgroup TV_FILTER_CTL_2
+ * @{
+ */
+#define TV_FILTER_CTL_2		0x68084
+/**
+ * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * TV_VSCALE should be (src height - 1) / ((interlace * dest height) - 1)
+ */
+# define TV_VSCALE_INT_MASK		0x00038000
+# define TV_VSCALE_INT_SHIFT		15
+/**
+ * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * \sa TV_VSCALE_INT_MASK
+ */
+# define TV_VSCALE_FRAC_MASK		0x00007fff
+# define TV_VSCALE_FRAC_SHIFT		0
+/** @} */
+
+/** @defgroup TV_FILTER_CTL_3
+ * @{
+ */
+#define TV_FILTER_CTL_3		0x68088
+/**
+ * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * TV_VSCALE should be (src height - 1) / (1/4 * (dest height - 1))
+ *
+ * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
+ */
+# define TV_VSCALE_IP_INT_MASK		0x00038000
+# define TV_VSCALE_IP_INT_SHIFT		15
+/**
+ * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
+ *
+ * \sa TV_VSCALE_IP_INT_MASK
+ */
+# define TV_VSCALE_IP_FRAC_MASK		0x00007fff
+# define TV_VSCALE_IP_FRAC_SHIFT		0
+/** @} */
+
+/** @defgroup TV_CC_CONTROL
+ * @{
+ */
+#define TV_CC_CONTROL		0x68090
+# define TV_CC_ENABLE			(1 << 31)
+/**
+ * Specifies which field to send the CC data in.
+ *
+ * CC data is usually sent in field 0.
+ */
+# define TV_CC_FID_MASK			(1 << 27)
+# define TV_CC_FID_SHIFT		27
+/** Sets the horizontal position of the CC data.  Usually 135. */
+# define TV_CC_HOFF_MASK		0x03ff0000
+# define TV_CC_HOFF_SHIFT		16
+/** Sets the vertical position of the CC data.  Usually 21 */
+# define TV_CC_LINE_MASK		0x0000003f
+# define TV_CC_LINE_SHIFT		0
+/** @} */
+
+/** @defgroup TV_CC_DATA
+ * @{
+ */
+#define TV_CC_DATA		0x68094
+# define TV_CC_RDY			(1 << 31)
+/** Second word of CC data to be transmitted. */
+# define TV_CC_DATA_2_MASK		0x007f0000
+# define TV_CC_DATA_2_SHIFT		16
+/** First word of CC data to be transmitted. */
+# define TV_CC_DATA_1_MASK		0x0000007f
+# define TV_CC_DATA_1_SHIFT		0
+/** @}
+ */
+
+/** @{ */
+#define TV_H_LUMA_0		0x68100
+#define TV_H_LUMA_59		0x681ec
+#define TV_H_CHROMA_0		0x68200
+#define TV_H_CHROMA_59		0x682ec
+#define TV_V_LUMA_0		0x68300
+#define TV_V_LUMA_42		0x683a8
+#define TV_V_CHROMA_0		0x68400
+#define TV_V_CHROMA_42		0x684a8
+
 #define PIPEACONF 0x70008
 #define PIPEACONF_ENABLE	(1<<31)
 #define PIPEACONF_DISABLE	0