diff options
Diffstat (limited to 'src/gfx/tv_fs450.c')
| -rw-r--r-- | src/gfx/tv_fs450.c | 3261 |
1 files changed, 3261 insertions, 0 deletions
diff --git a/src/gfx/tv_fs450.c b/src/gfx/tv_fs450.c new file mode 100644 index 0000000..942907b --- /dev/null +++ b/src/gfx/tv_fs450.c @@ -0,0 +1,3261 @@ +/* Copyright (c) 2005 Advanced Micro Devices, 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 + * AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Neither the name of the Advanced Micro Devices, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * */ + +#define FS450_DIRECTREG 0 + +#include "tv_fs450.h" + +/*========================================================================== + * Macros + *========================================================================== + */ +#undef fsmax +#undef fsmin +#define fsmax(a, b) ((a) > (b) ? (a) : (b)) +#define fsmin(a, b) ((a) < (b) ? (a) : (b)) + +#undef range_limit +#define range_limit(val,min_val,max_val) (fsmax((min_val),fsmin((val),(max_val)))) + +/*========================================================================== + * Registers + *========================================================================== + */ + +#define MAX_REGISTERS 32 +#define MAX_BITS 32 + +#define READ 1 +#define WRITE 2 +#define READ_WRITE (READ | WRITE) + +typedef struct +{ + char *name; + unsigned long offset; + unsigned char bit_length; + unsigned char valid_bits; + unsigned char read_write; + char *bitfield_names[MAX_BITS]; +} S_REGISTER_DESCRIP; + +typedef struct +{ + int source; + char *name; + S_REGISTER_DESCRIP registers[MAX_REGISTERS]; +} S_SET_DESCRIP; + +const S_SET_DESCRIP *houston_regs(void); +const S_SET_DESCRIP *encoder_regs(void); +const S_SET_DESCRIP *macrovision_regs(void); +const S_SET_DESCRIP *gcc_regs(void); + +/*========================================================================== + * Houston Register Addresses & Bit Definitions + *========================================================================== + */ +#define HOUSTON_IHO 0x00 /* Input Horizontal Offset */ +#define HOUSTON_IVO 0x02 /* Input Vertical Offset */ +#define HOUSTON_IHA 0x04 /* Input Horizontal Active Width */ +#define HOUSTON_VSC 0x06 /* Vertical Scaling Coeficient */ +#define HOUSTON_HSC 0x08 /* Horizontal Scaling Coeficient */ +#define HOUSTON_BYP 0x0A /* Bypass Register */ +#define HOUSTON_CR 0x0C /* Control Register */ +#define HOUSTON_SP 0x0E /* Status */ +#define HOUSTON_NCONL 0x10 /* NCO numerator low word */ +#define HOUSTON_NCONH 0x12 /* NCO numerator high word */ +#define HOUSTON_NCODL 0x14 /* NCO denominator low word */ +#define HOUSTON_NCODH 0x16 /* NCO denominator high word */ +#define HOUSTON_APO 0x18 +#define HOUSTON_ALO 0x1A +#define HOUSTON_AFO 0x1C +#define HOUSTON_HSOUTWID 0x1E +#define HOUSTON_HSOUTST 0x20 +#define HOUSTON_HSOUTEND 0x22 +#define HOUSTON_SHP 0x24 /* Sharpness */ +#define HOUSTON_FLK 0x26 /* Flicker Filter */ +#define HOUSTON_BCONTL 0x28 +#define HOUSTON_BCONTH 0x2A +#define HOUSTON_BDONE 0x2C +#define HOUSTON_BDIAGL 0x2E +#define HOUSTON_BDIAGH 0x30 +#define HOUSTON_REV 0x32 +#define HOUSTON_MISC 0x34 +#define HOUSTON_FFO 0x36 +#define HOUSTON_FFO_LAT 0x38 +#define HOUSTON_VSOUTWID 0x3A +#define HOUSTON_VSOUTST 0x3C +#define HOUSTON_VSOUTEND 0x3E +/* BYP Register Bits */ +#define BYP_RGB_BYPASS 0x0001 +#define BYP_HDS_BYPASS 0x0002 +#define BYP_HDS_TBYPASS 0x0004 +#define BYP_CAC_BYPASS 0x0008 +#define BYP_R2V_SBYPASS 0x0010 +#define BYP_R2V_BYPASS 0x0020 +#define BYP_VDS_BYPASS 0x0040 +#define BYP_FFT_BYPASS 0x0080 +#define BYP_FIF_BYPASS 0x0100 +#define BYP_FIF_TBYPASS 0x0200 +#define BYP_HUS_BYPASS 0x0400 +#define BYP_HUS_TBYPASS 0x0800 +#define BYP_CCR_BYPASS 0x1000 +#define BYP_PLL_BYPASS 0x2000 +#define BYP_NCO_BYPASS 0x4000 +#define BYP_ENC_BYPASS 0x8000 +/* CR Register Bits */ +#define CR_RESET 0x0001 +#define CR_CLKOFF 0x0002 +#define CR_NCO_EN 0x0004 +#define CR_COMPOFF 0x0008 +#define CR_YCOFF 0x0010 +#define CR_LP_EN 0x0020 +#define CR_CACQ_CLR 0x0040 +#define CR_FFO_CLR 0x0080 +#define CR_656_PAL_NTSC 0x0100 +#define CR_656_STD_VMI 0x0200 +#define CR_OFMT 0x0400 +#define CR_UIM_CLK 0x0800 +#define CR_UIM_DEC 0x1000 +#define CR_BIPGEN_EN1 0x2000 +#define CR_UIM_MOD0 0x4000 +#define CR_UIM_MOD1 0x8000 +/* Status Register Bits */ +#define SP_CACQ_ST 0x0001 +#define SP_FFO_ST 0x0002 +#define SP_REVID_MASK 0x7FFC +#define SP_MV_EN 0x8000 +/* BDONE Register Bits */ +#define BDONE_BIST_DONE_A 0x0001 +#define BDONE_BIST_DONE_B 0x0002 +#define BDONE_BIST_DONE_C 0x0004 +#define BDONE_BIST_DONE_D 0x0008 +#define BDONE_BIST_DONE_E 0x0010 +#define BDONE_BIST_DONE_F 0x0020 +#define BDONE_BIST_DONE_G 0x0040 +/* BDIAGL Register Bits */ +#define BDIAGL_BIST_DIAG_A 0x000F +#define BDIAGL_BIST_DIAG_B 0x00F0 +#define BDIAGL_BIST_DIAG_C 0x0F00 +#define BDIAGL_BIST_DIAG_D 0xF000 +/* BDIAGH Register Bits */ +#define BDIAGH_BIST_DIAG_E 0x000F +#define BDIAGH_BIST_DIAG_F 0x000F +#define BDIAGH_BIST_DIAG_G 0x000F +/* MISC Register Bits */ +#define MISC_TV_SHORT_FLD 0x0001 +#define MISC_ENC_TEST 0x0002 +#define MISC_DAC_TEST 0x0004 +#define MISC_MV_SOFT_EN 0x0008 +#define MISC_NCO_LOAD0 0x0010 +#define MISC_NCO_LOAD1 0x0020 +#define MISC_VGACKDIV 0x0200 +#define MISC_BRIDGE_SYNC 0x0400 +#define MISC_GTLIO_PD 0x8000 +/*========================================================================== + * Encoder Registers & Bit Definitions + *========================================================================== + */ +#define ENC_CHROMA_FREQ 0x40 +#define ENC_CHROMA_PHASE 0x44 +#define ENC_REG05 0x45 +#define ENC_REG06 0x46 +#define ENC_REG07 0x47 +#define ENC_HSYNC_WIDTH 0x48 +#define ENC_BURST_WIDTH 0x49 +#define ENC_BACK_PORCH 0x4A +#define ENC_CB_BURST_LEVEL 0x4B +#define ENC_CR_BURST_LEVEL 0x4C +#define ENC_SLAVE_MODE 0x4D +#define ENC_BLACK_LEVEL 0x4e +#define ENC_BLANK_LEVEL 0x50 +#define ENC_NUM_LINES 0x57 +#define ENC_WHITE_LEVEL 0x5e +#define ENC_CB_GAIN 0x60 +#define ENC_CR_GAIN 0x62 +#define ENC_TINT 0x65 +#define ENC_BREEZE_WAY 0x69 +#define ENC_FRONT_PORCH 0x6C +#define ENC_ACTIVELINE 0x71 +#define ENC_FIRST_LINE 0x73 +#define ENC_REG34 0x74 +#define ENC_SYNC_LEVEL 0x75 +#define ENC_VBI_BLANK_LEVEL 0x7C +#define ENC_RESET 0x7e +#define ENC_NOTCH_FILTER 0x8d +/*========================================================================== + * Macrovision Registers & Bit Definitions + *========================================================================== + */ +#define MV_N0 0x59 +#define MV_N1 0x52 +#define MV_N2 0x7b +#define MV_N3 0x53 +#define MV_N4 0x79 +#define MV_N5 0x5d +#define MV_N6 0x7a +#define MV_N7 0x64 +#define MV_N8 0x54 +#define MV_N9 0x55 +#define MV_N10 0x56 +#define MV_N11 0x6d +#define MV_N12 0x6f +#define MV_N13 0x5a +#define MV_N14 0x5b +#define MV_N15 0x5c +#define MV_N16 0x63 +#define MV_N17 0x66 +#define MV_N18 0x68 +#define MV_N19 0x67 +#define MV_N20 0x61 +#define MV_N21 0x6a +#define MV_N22 0x76 +#define MV_AGC_PULSE_LEVEL 0x77 +#define MV_BP_PULSE_LEVEL 0x78 +/*========================================================================== + * The TRACE macro can be used to display debug information. It can display + * one or more parameters in a formatted string like printf. No code will be + * generated for a release build. Use double parentheses for compatibility + * with C #define statements. Newline characters are not added + * automatically. Usage example: + * + * TRACE(("Number is %d, Name is %s.\n",iNumber,lpszName)) + *========================================================================== + */ +#define TRACE(parameters) {} +/* GCC timing structure */ +typedef struct _S_TIMING_SPECS +{ + int vga_width; + int vga_lines; + int tv_width; + int tv_lines; + int h_total; + int h_sync; + int v_total; + int v_sync; +} S_TIMING_SPECS; + +/* Revision of Houston chip */ +#define HOUSTON_REV_A 0 +#define HOUSTON_REV_B 1 +static int houston_Rev(void); + +/*========================================================================== + * Functions + *========================================================================== + */ +static int houston_init(void); + +static unsigned char PLAL_FS450_i2c_address(void); +static int PLAL_FS450_UIM_mode(void); +static int PLAL_ReadRegister(S_REG_INFO * p_reg); +static int PLAL_WriteRegister(const S_REG_INFO * p_reg); +static int PLAL_IsTVOn(void); +static int PLAL_EnableVga(void); +static int PLAL_PrepForTVout(void); +static int PLAL_SetTVTimingRegisters(const S_TIMING_SPECS * p_specs); +static int PLAL_FinalEnableTVout(unsigned long vga_mode); + +/* Direct Memory Access Functions */ +/* NOTE: Cx5530 is assumed hardcoded at 0x10000 offset from MediaGX base. + * F4Bar is bogus as described in the Cx5530 datasheet (actually points to GX + * frame buffer). */ +static int +DMAL_ReadUInt32(unsigned long phys_addr, unsigned long *p_data) +{ + *p_data = READ_REG32(phys_addr); + return 0; +} + +static int +DMAL_WriteUInt32(unsigned long phys_addr, unsigned long data) +{ + WRITE_REG32(phys_addr, data); + return 0; +} + +/* Houston register access functions. */ +static int +houston_ReadReg(unsigned int reg, unsigned long *p_value, unsigned int bytes) +{ + return gfx_i2c_read(1, PLAL_FS450_i2c_address(), (unsigned char)reg, + (unsigned char)bytes, (unsigned char *)p_value); +} + +static int +houston_WriteReg(unsigned int reg, unsigned long value, unsigned int bytes) +{ + return gfx_i2c_write(1, PLAL_FS450_i2c_address(), (unsigned char)reg, + (unsigned char)bytes, (unsigned char *)&value); +} + +/* TV configuration functions. */ +static int config_init(void); +static const S_TIMING_SPECS *p_specs(void); +static void config_power(int on); +static void config_vga_mode(unsigned long vga_mode); +static void config_tv_std(unsigned long tv_std, unsigned int trigger_bits); +static void conget_tv_std(unsigned long *p_tv_std); +static unsigned long supported_standards(void); +static void config_tvout_mode(unsigned long tvout_mode); +static void conget_tvout_mode(unsigned long *p_tvout_mode); +static void config_overscan_xy(unsigned long tv_std, unsigned long vga_mode, + int overscan_x, int overscan_y, int pos_x, int pos_y); +static void config_nco(unsigned long tv_std, unsigned long vga_mode); +static void config_sharpness(int sharpness); +static void conget_sharpness(int *p_sharpness); +static void config_flicker(int flicker); +static void conget_flicker(int *p_flicker); +static void config_color(int color); +static void conget_color(int *p_color); +static void config_brightness_contrast(unsigned long tv_std, + unsigned int trigger_bits, int brightness, int contrast); +static void conget_brightness_contrast(unsigned long tv_std, + unsigned int trigger_bits, int *p_brightness, int *p_contrast); +static void config_yc_filter(unsigned long tv_std, int luma_filter, + int chroma_filter); +static void conget_yc_filter(int *p_luma_filter, int *p_chroma_filter); +static void config_macrovision(unsigned long tv_std, + unsigned int cp_trigger_bits); +static void conget_macrovision(unsigned long tv_std, + unsigned int *p_cp_trigger_bits); + +/* Device settings. */ +typedef struct _S_DEVICE_SETTINGS +{ + int tv_on; + unsigned long vga_mode; + unsigned long tv_std; + unsigned long tvout_mode; + int overscan_x; + int overscan_y; + int position_x; + int position_y; + int sharpness; + int flicker; + int color; + int brightness; + int contrast; + unsigned char yc_filter; + unsigned int aps_trigger_bits; + int last_overscan_y; +} S_DEVICE_SETTINGS; + +static S_DEVICE_SETTINGS d; + +/*========================================================================== + * TV Setup Parameters + *========================================================================== + * */ + +static const struct +{ + unsigned long chroma_freq[5]; + unsigned short chroma_phase[5]; + unsigned short cphase_rst[5]; + unsigned short color[5]; + unsigned short cr_burst_level[5]; + unsigned short cb_burst_level[5]; + unsigned short sys625_50[5]; + unsigned short vsync5[5]; + unsigned short pal_mode[5]; + unsigned short hsync_width[5]; + unsigned short burst_width[5]; + unsigned short back_porch[5]; + unsigned short front_porch[5]; + unsigned short breeze_way[5]; + unsigned short activeline[5]; + unsigned short blank_level[5]; + unsigned short vbi_blank_level[5]; + unsigned short black_level[5]; + unsigned short white_level[5]; + unsigned short hamp_offset[5]; + unsigned short sync_level[5]; + unsigned short tv_lines[5]; + unsigned short tv_width[5]; + unsigned short tv_active_lines[5]; + unsigned short tv_active_width[5]; + unsigned char notch_filter[5]; + unsigned short houston_cr[5]; + unsigned short houston_ncodl[5]; + unsigned short houston_ncodh[5]; +} tvsetup = { + /* ntsc, pal, ntsc-eij, pal-m, pal-n */ + { + 0x1f7cf021, 0xcb8a092a, 0x1f7cf021, 0xe3efe621, 0xcb8a092a}, + /* chroma_freq */ + { + 0, 0, 0, 0, 0}, + /* chroma_phase */ + { + 2, 0, 2, 0, 0}, + /* cphase_rst */ + { + 54, 43, 54, 43, 43}, + /* color */ + { + 0, 31, 0, 29, 29}, + /* cr_burst_level */ + { + 59, 44, 59, 41, 41}, + /* cb_burst_level */ + { + 0, 1, 0, 0, 1}, + /* sys625_50 */ + { + 0, 1, 0, 0, 0}, + /* vsync5 */ + { + 0, 1, 0, 1, 1}, + /* pal_mode */ + { + 0x7a, 0x7a, 0x7a, 0x7a, 0x7a}, + /* hsync_width */ + { + 0x40, 0x3c, 0x40, 0x40, 0x3c}, + /* burst_width */ + { + 0x80, 0x9a, 0x80, 0x80, 0x9a}, + /* back_porch */ + { + 0x24, 0x1e, 0x24, 0x24, 0x1e}, + /* front_porch */ + { + 0x19, 0x1a, 0x19, 0x12, 0x1a}, + /* breeze_way */ + { + 0xb4, 0xb4, 0xb4, 0xb4, 0xb4}, + /* active_line */ + { + 240, 251, 240, 240, 240}, + /* blank_level */ + { + 240, 251, 240, 240, 240}, + /* vbi_blank_level */ + { + 284, 252, 240, 252, 252}, + /* black_level */ + { + 823, 821, 823, 821, 821}, + /* white_level */ + { + 60, 48, 60, 48, 48}, + /* hamp_offset */ + { + 0x08, 0x08, 0x08, 0x08, 0x08}, + /* sync_level */ + { + 525, 625, 525, 525, 625}, + /* tv_lines */ + { + 858, 864, 858, 858, 864}, + /* tv_width */ + { + 487, 576, 487, 487, 576}, + /* tv_active_lines */ + { + 800, 800, 800, 800, 800}, + /* tv_active_width */ + { + 0x1a, 0x1d, 0x1a, 0x1d, 0x1d}, + /* notch filter enabled */ + { + 0x0000, 0x0100, 0x0000, 0x0000, 0x0100}, + /* houston cr pal */ + { + 0x7e48, 0xf580, 0x7e48, 0x7e48, 0xf580}, + /* houston ncodl */ + { + 0x001b, 0x0020, 0x001b, 0x001b, 0x0020} + /* houston ncodh */ +}; + +/* MediaGX default underscan and centered position setups. */ +#define SCANTABLE_ENTRIES 5 +struct _scantable +{ + unsigned long mode; + unsigned short v_total[5]; + unsigned short v_sync[5]; + unsigned short iha[5]; + signed short iho[5]; + signed short hsc[5]; +}; + +static struct _scantable scantable[SCANTABLE_ENTRIES] = { + { + GFX_VGA_MODE_640X480, + {617, 624, 617, 624, 624}, /* v_total */ + {69, 88, 69, 88, 88}, /* v_sync */ + {720, 720, 720, 720, 720}, /* iha */ + {0, 0, 0, 0, 0}, /* iho */ + {-12, 0, -6, 0, 0} /* hsc */ + }, + { + GFX_VGA_MODE_800X600, + {740, 740, 740, 740, 740}, /* v_total */ + {90, 88, 90, 88, 88}, /* v_sync */ + {720, 720, 508, 720, 720}, /* iha */ + {-8, 11, -8, -8, 11}, /* iho */ + {-27, -27, -27, -27, -27} /* hsc */ + }, + { + GFX_VGA_MODE_720X487, + {525, 720, 525, 720, 720}, /* v_total */ + {23, 230, 23, 230, 230}, /* v_sync */ + {720, 720, 720, 720, 720}, /* iha */ + {0xa2, 0xa2, 0xa2, 0xa2, 0xa2}, /* iho */ + {0, 0, 0, 0, 0} /* hsc */ + }, + { + GFX_VGA_MODE_720X576, + {720, 625, 720, 625, 625}, /* v_total */ + {129, 25, 129, 25, 25}, /* v_sync */ + {720, 720, 720, 720, 720}, /* iha */ + {0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, /* iho */ + {0, 0, 0, 0, 0} /* hsc */ + }, + { + GFX_VGA_MODE_1024X768, + {933, 942, 933, 806, 806}, /* v_total */ + {121, 112, 121, 88, 88}, /* v_sync */ + {600, 600, 600, 600, 600}, /* iha */ + {0x3c, 0x23, 0x3c, 0x65, 0x65}, /* iho */ + {35, 26, 35, 26, 26} /* hsc */ + }, +}; + +/* Houston fifo configuration constants. */ +struct _ffolat +{ + int v_total; + unsigned short ffolat; +}; + +struct _ffolativo +{ + int v_total; + unsigned short ivo; + unsigned short ffolat; +}; + +/* h_total=832, ivo=40, tv_width=858, tv_lines=525, vga_lines=480 */ +#define SIZE6X4NTSC 66 +static struct _ffolat ffo6x4ntsc[SIZE6X4NTSC + 1] = { + {541, 0x40}, {545, 0x40}, {549, 0x40}, {553, 0x40}, + {557, 0x58}, {561, 0x40}, {565, 0x40}, {569, 0x40}, + {573, 0x48}, {577, 0x40}, {581, 0x40}, {585, 0x40}, + {589, 0x40}, {593, 0x48}, {597, 0x40}, {601, 0x40}, + {605, 0x40}, {609, 0x40}, {613, 0x5b}, {617, 0x48}, + {621, 0x60}, {625, 0x48}, {629, 0x48}, {633, 0x40}, + {637, 0x5e}, {641, 0x40}, {645, 0x50}, {649, 0x56}, + {653, 0x58}, {657, 0x6c}, {661, 0x40}, {665, 0x40}, + {669, 0x40}, {673, 0x40}, {677, 0x40}, {681, 0x40}, + {685, 0x40}, {689, 0x40}, {693, 0x40}, {697, 0x40}, + {701, 0x40}, {705, 0x40}, {709, 0x40}, {713, 0x40}, + {717, 0x40}, {721, 0x40}, {725, 0x40}, {729, 0x40}, + {733, 0x40}, {737, 0x40}, {741, 0x40}, {745, 0x40}, + {749, 0x40}, {753, 0x40}, {757, 0x40}, {761, 0x40}, + {765, 0x40}, {769, 0x40}, {773, 0x40}, {777, 0x40}, + {781, 0x40}, {785, 0x40}, {789, 0x40}, {793, 0x40}, + {797, 0x30}, {801, 0x40}, + {-1, 0} +}; + +#define SIZE6X4PAL 45 +static struct _ffolat ffo6x4pal[SIZE6X4PAL + 1] = { + {625, 0x60}, {629, 0x60}, {633, 0x60}, {637, 0x60}, + {641, 0x50}, {645, 0x60}, {649, 0x60}, {653, 0x60}, + {657, 0x60}, {661, 0x60}, {665, 0x60}, {669, 0x60}, + {673, 0x60}, {677, 0x60}, {681, 0x60}, {685, 0x60}, + {689, 0x60}, {693, 0x60}, {697, 0x60}, {701, 0x60}, + {705, 0x60}, {709, 0x60}, {713, 0x60}, {717, 0x60}, + {721, 0x60}, {725, 0x60}, {729, 0x60}, {733, 0x60}, + {737, 0x60}, {741, 0x60}, {745, 0x60}, {749, 0x60}, + {753, 0x60}, {757, 0x60}, {761, 0x60}, {765, 0x60}, + {769, 0x60}, {773, 0x60}, {777, 0x60}, {781, 0x60}, + {785, 0x60}, {789, 0x60}, {793, 0x60}, {797, 0x60}, + {801, 0x60}, + {-1, 0} +}; + +#define SIZE7X4NTSC 40 +static struct _ffolat ffo7x4ntsc[SIZE7X4NTSC + 1] = { + {525, 0x52}, {529, 0x52}, {533, 0x52}, {537, 0x52}, + {541, 0x52}, {545, 0x40}, {549, 0x40}, {553, 0x40}, + {557, 0x58}, {561, 0x40}, {565, 0x58}, {569, 0x40}, + {573, 0x48}, {577, 0x40}, {581, 0x40}, {585, 0x40}, + {589, 0x40}, {593, 0x48}, {597, 0x40}, {601, 0x40}, + {605, 0x40}, {609, 0x40}, {613, 0x5b}, {617, 0x48}, + {621, 0x60}, {625, 0x48}, {629, 0x48}, {633, 0x40}, + {637, 0x5e}, {641, 0x40}, {645, 0x50}, {649, 0x56}, + {653, 0x58}, {657, 0x6c}, {661, 0x40}, {665, 0x40}, + {669, 0x40}, {673, 0x40}, {677, 0x40}, {681, 0x40}, + {-1, 0} +}; + +#define SIZE7X4PAL 24 +static struct _ffolat ffo7x4pal[SIZE7X4PAL + 1] = { + {625, 0x60}, {629, 0x60}, {633, 0x60}, {637, 0x60}, + {641, 0x50}, {645, 0x60}, {649, 0x60}, {653, 0x60}, + {657, 0x60}, {661, 0x60}, {665, 0x60}, {669, 0x60}, + {673, 0x60}, {677, 0x60}, {681, 0x60}, {685, 0x60}, + {689, 0x60}, {693, 0x60}, {697, 0x60}, {701, 0x60}, + {705, 0x60}, {709, 0x60}, {713, 0x60}, {717, 0x60}, + {-1, 0} +}; + +#define SIZE7X5NTSC 54 +static struct _ffolat ffo7x5ntsc[SIZE7X5NTSC + 1] = { + {590, 0x40}, {594, 0x48}, {598, 0x40}, {602, 0x40}, + {606, 0x40}, {610, 0x40}, {614, 0x5b}, {618, 0x48}, + {622, 0x60}, {626, 0x48}, {630, 0x48}, {634, 0x40}, + {638, 0x5e}, {642, 0x40}, {646, 0x50}, {650, 0x56}, + {654, 0x58}, {658, 0x6c}, {662, 0x40}, {666, 0x40}, + {670, 0x40}, {674, 0x40}, {678, 0x40}, {682, 0x40}, + {686, 0x40}, {690, 0x40}, {694, 0x40}, {698, 0x40}, + {702, 0x40}, {706, 0x40}, {710, 0x40}, {714, 0x40}, + {718, 0x40}, {722, 0x40}, {726, 0x40}, {730, 0x40}, + {734, 0x40}, {738, 0x40}, {742, 0x40}, {746, 0x40}, + {750, 0x40}, {754, 0x40}, {758, 0x40}, {762, 0x40}, + {766, 0x40}, {770, 0x40}, {774, 0x40}, {778, 0x40}, + {782, 0x40}, {786, 0x40}, {790, 0x40}, {794, 0x40}, + {798, 0x30}, {802, 0x40}, + {-1, 0} +}; + +#define SIZE7X5PAL 45 +static struct _ffolat ffo7x5pal[SIZE7X5PAL + 1] = { + {625, 0x60}, {629, 0x60}, {633, 0x60}, {637, 0x60}, + {641, 0x50}, {645, 0x60}, {649, 0x60}, {653, 0x60}, + {657, 0x60}, {661, 0x60}, {665, 0x60}, {669, 0x60}, + {673, 0x60}, {677, 0x60}, {681, 0x60}, {685, 0x60}, + {689, 0x60}, {693, 0x60}, {697, 0x60}, {701, 0x60}, + {705, 0x60}, {709, 0x60}, {713, 0x60}, {717, 0x60}, + {721, 0x60}, {725, 0x60}, {729, 0x60}, {733, 0x60}, + {737, 0x60}, {741, 0x60}, {745, 0x60}, {749, 0x60}, + {753, 0x60}, {757, 0x60}, {761, 0x60}, {765, 0x60}, + {769, 0x60}, {773, 0x60}, {777, 0x60}, {781, 0x60}, + {785, 0x60}, {789, 0x60}, {793, 0x60}, {797, 0x60}, + {801, 0x60}, + {-1, 0} +}; + +/* h_total=1056, vga_lines=600 */ +#define SIZE8X6NTSC 37 +static struct _ffolat ffo8x6ntsc[SIZE8X6NTSC + 1] = { + {620, 0x40}, /* v_total_min >= vsync+10 >= vga_lines+10 = 610 */ + {625, 0x58}, {630, 0x40}, {635, 0x40}, {640, 0x40}, + {645, 0x46}, {650, 0x46}, {655, 0x4f}, {660, 0x4c}, + {665, 0x4a}, {670, 0x50}, {675, 0x2f}, {680, 0x48}, + {685, 0x38}, {690, 0x31}, {695, 0x40}, {700, 0x21}, + {705, 0x25}, {710, 0x40}, {715, 0x48}, {720, 0x50}, + {725, 0x30}, {730, 0x50}, {735, 0x50}, {740, 0x50}, + {745, 0x40}, {750, 0x38}, {755, 0x50}, {760, 0x50}, + {765, 0x40}, {770, 0x38}, {775, 0x40}, {780, 0x40}, + {785, 0x40}, {790, 0x38}, {795, 0x50}, {800, 0x50}, + {-1, 0} +}; + +/* h_total=1056, vga_lines=600 */ +#define SIZE8X6PAL 36 +static struct _ffolat ffo8x6pal[SIZE8X6PAL + 1] = { + {625, 0x80}, {630, 0x80}, {635, 0x5a}, {640, 0x55}, + {645, 0x48}, {650, 0x65}, {655, 0x65}, {660, 0x50}, + {665, 0x80}, {670, 0x70}, {675, 0x56}, {680, 0x80}, + {685, 0x58}, {690, 0x31}, {695, 0x80}, {700, 0x60}, + {705, 0x45}, {710, 0x4a}, {715, 0x50}, {720, 0x50}, + {725, 0x50}, {730, 0x45}, {735, 0x50}, {740, 0x50}, + {745, 0x50}, {750, 0x50}, {755, 0x50}, {760, 0x50}, + {765, 0x50}, {770, 0x50}, {775, 0x50}, {780, 0x50}, + {785, 0x50}, {790, 0x50}, {795, 0x50}, {800, 0x50}, + {-1, 0} +}; + +/* h_total=1344, vga_lines=768 */ +#define SIZE10X7NTSC 45 +static struct _ffolativo ffo10x7ntsc[SIZE10X7NTSC] = { + {783, 0x4d, 0x40}, + {789, 0x47, 0x14}, + {795, 0x47, 0x7f}, + {801, 0x47, 0x53}, + {807, 0x47, 0x11}, + {813, 0x47, 0x78}, + {819, 0x47, 0x54}, + {825, 0x47, 0x40}, + {831, 0x47, 0x0f}, + {837, 0x4d, 0x40}, + {843, 0x47, 0x5a}, + {849, 0x4d, 0x40}, + {855, 0x47, 0x4b}, + {861, 0x4d, 0x40}, + {867, 0x47, 0x4b}, + {873, 0x4d, 0x40}, + {879, 0x47, 0x07}, + {885, 0x48, 0x20}, + {891, 0x47, 0x82}, + {897, 0x47, 0x60}, + {903, 0x47, 0x7f}, + {909, 0x4d, 0x40}, + {915, 0x48, 0x40}, + {921, 0x4c, 0x40}, + {927, 0x49, 0x40}, + {933, 0x48, 0x40}, + {939, 0x4a, 0x40}, + {945, 0x46, 0x40}, + {951, 0x4a, 0x40}, + {957, 0x4a, 0x40}, + {963, 0x4b, 0x40}, + {969, 0x4b, 0x40}, + {975, 0x48, 0x40}, + {981, 0x47, 0x40}, + {987, 0x47, 0x40}, + {993, 0x47, 0x40}, + {999, 0x48, 0x40}, + {1005, 0x48, 0x40}, + {1011, 0x47, 0x40}, + {1017, 0x47, 0x40}, + {1023, 0x48, 0x40}, + {1029, 0x48, 0x40}, + {1035, 0x46, 0x40}, + {1041, 0x47, 0x40}, + {1047, 0x47, 0x40} +}; + +/* h_total=1344, vga_lines=768 */ +#define SIZE10X7PAL 46 +static struct _ffolativo ffo10x7pal[SIZE10X7PAL] = { + {781, 0x49, 0x40}, + {787, 0x46, 0x40}, + {793, 0x48, 0x40}, + {799, 0x46, 0x40}, + {805, 0x49, 0x40}, + {811, 0x47, 0x40}, + {817, 0x46, 0x40}, + {823, 0x46, 0x56}, + {829, 0x46, 0x2d}, + {835, 0x46, 0x40}, + {841, 0x46, 0x2d}, + {847, 0x46, 0x3f}, + {853, 0x46, 0x10}, + {859, 0x46, 0x86}, + {865, 0x46, 0xc9}, + {871, 0x46, 0x83}, + {877, 0x46, 0xa8}, + {883, 0x46, 0x81}, + {889, 0x46, 0xa5}, + {895, 0x46, 0xa9}, + {901, 0x46, 0x81}, + {907, 0x46, 0xa4}, + {913, 0x46, 0xa5}, + {919, 0x46, 0x7f}, + {925, 0x46, 0xa2}, + {931, 0x46, 0x9d}, + {937, 0x46, 0xc1}, + {943, 0x46, 0x96}, + {949, 0x46, 0xb7}, + {955, 0x46, 0xb1}, + {961, 0x46, 0x8a}, + {967, 0x46, 0xa9}, + {973, 0x46, 0xa0}, + {979, 0x46, 0x40}, + {985, 0x46, 0x97}, + {991, 0x46, 0xb5}, + {997, 0x46, 0xaa}, + {1003, 0x46, 0x83}, + {1009, 0x46, 0x9f}, + {1015, 0x47, 0x40}, + {1021, 0x46, 0xad}, + {1027, 0x46, 0x87}, + {1033, 0x46, 0xa2}, + {1039, 0x47, 0x40}, + {1045, 0x46, 0xac}, + {1051, 0x46, 0x86} +}; + +/*==========================================================================*/ +/*FS450 API Functions. */ +/*==========================================================================*/ + +/* Initialize device settings */ +static void +initialize_houston_static_registers(void) +{ + houston_WriteReg(HOUSTON_BYP, 0, 2); + houston_WriteReg(HOUSTON_APO, 0, 2); + houston_WriteReg(HOUSTON_ALO, 0, 2); + houston_WriteReg(HOUSTON_AFO, 0, 2); + houston_WriteReg(HOUSTON_BCONTL, 0, 2); + houston_WriteReg(HOUSTON_BCONTH, 0, 2); + houston_WriteReg(HOUSTON_BDONE, 0, 2); + houston_WriteReg(HOUSTON_BDIAGL, 0, 2); + houston_WriteReg(HOUSTON_BDIAGH, 0, 2); + houston_WriteReg(HOUSTON_MISC, 0, 2); +} + +int +FS450_init(void) +{ + int err; + + TRACE(("FS450_Init()\n")) + + err = houston_init(); + if (err) + return err; + + initialize_houston_static_registers(); + + d.tv_on = PLAL_IsTVOn()? 1 : 0; + + /* get the current tv standard */ + conget_tv_std(&d.tv_std); + + d.vga_mode = 0; + + /* default to VP_TVOUT_MODE_CVBS_YC */ + d.tvout_mode = GFX_TVOUT_MODE_CVBS_YC; + + /* default to 1000 out of 1000 */ + d.sharpness = 1000; + config_sharpness(d.sharpness); + + /* default to 800 out of 1000 */ + d.flicker = 800; + config_flicker(d.flicker); + + /* default to zeros */ + d.overscan_x = 0; + d.overscan_y = 0; + d.position_x = 0; + d.position_y = 0; + + d.color = 50; + /* d.color = tvsetup.color[k]; */ + config_color(d.color); + + /* default */ + d.brightness = 50; + d.contrast = 60; + config_brightness_contrast(d.tv_std, d.aps_trigger_bits, d.brightness, + d.contrast); + + /* get the current yc filtering */ + { + int luma_filter, chroma_filter; + + conget_yc_filter(&luma_filter, &chroma_filter); + d.yc_filter = 0; + if (luma_filter) + d.yc_filter |= GFX_LUMA_FILTER; + if (chroma_filter) + d.yc_filter |= GFX_CHROMA_FILTER; + } + + d.aps_trigger_bits = 0; + config_macrovision(d.tv_std, d.aps_trigger_bits); + + d.last_overscan_y = -10000; + + return 0; +} + +void +FS450_cleanup(void) +{ +} + +/*==========================================================================*/ +/* Required configuration calls to write new settings to the device */ +/*==========================================================================*/ + +#define REQ_TV_STANDARD_BIT 0x0002 +#define REQ_VGA_MODE_BIT 0x0004 +#define REQ_TVOUT_MODE_BIT 0x0008 +#define REQ_SHARPNESS_BIT 0x0010 +#define REQ_FLICKER_BIT 0x0020 +#define REQ_OVERSCAN_POSITION_BIT 0x0040 +#define REQ_COLOR_BIT 0x0080 +#define REQ_BRIGHTNESS_CONTRAST_BIT 0x0100 +#define REQ_YC_FILTER_BIT 0x0200 +#define REQ_MACROVISION_BIT 0x0400 +#define REQ_NCO_BIT 0x1000 + +#define REQ_TV_STANDARD (REQ_TV_STANDARD_BIT | REQ_OVERSCAN_POSITION \ + | REQ_BRIGHTNESS_CONTRAST \ + | REQ_MACROVISION_BIT | REQ_YC_FILTER) +#define REQ_VGA_MODE (REQ_VGA_MODE_BIT | REQ_OVERSCAN_POSITION) +#define REQ_TVOUT_MODE (REQ_TVOUT_MODE_BIT) +#define REQ_SHARPNESS (REQ_SHARPNESS_BIT) +#define REQ_FLICKER (REQ_FLICKER_BIT) +#define REQ_OVERSCAN_POSITION (REQ_OVERSCAN_POSITION_BIT | REQ_NCO) +#define REQ_COLOR (REQ_COLOR_BIT) +#define REQ_BRIGHTNESS_CONTRAST (REQ_BRIGHTNESS_CONTRAST_BIT) +#define REQ_YC_FILTER (REQ_YC_FILTER_BIT) +#define REQ_MACROVISION (REQ_TV_STANDARD_BIT | \ + REQ_BRIGHTNESS_CONTRAST_BIT | \ + REQ_MACROVISION_BIT) +#define REQ_NCO (REQ_NCO_BIT) +#define REQ_ENCODER (REQ_TV_STANDARD | REQ_COLOR | \ + REQ_BRIGHTNESS_CONTRAST | REQ_YC_FILTER) + +static int +write_config(int req) +{ + unsigned long reg, reg_encoder_reset = 0; + int reset; + + /*if we're changing the nco, and the vertical scaling has changed... */ + reset = ((REQ_NCO_BIT & req) && (d.overscan_y != d.last_overscan_y)); + if (reset) { + /*put the encoder into reset while making changes */ + houston_ReadReg(ENC_RESET, ®, 1); + houston_WriteReg(ENC_RESET, reg | 0x01, 1); + reg_encoder_reset = reg & 0x01; + } + + if (REQ_TV_STANDARD_BIT & req) + config_tv_std(d.tv_std, d.aps_trigger_bits); + + if (REQ_VGA_MODE_BIT & req) + config_vga_mode(d.vga_mode); + + if (REQ_TVOUT_MODE_BIT & req) + config_tvout_mode(d.tvout_mode); + + if (REQ_OVERSCAN_POSITION_BIT & req) { + config_overscan_xy(d.tv_std, + d.vga_mode, + d.overscan_x, d.overscan_y, d.position_x, d.position_y); + + /*h_timing and v_timing and syncs. */ + if (PLAL_IsTVOn()) + PLAL_SetTVTimingRegisters(p_specs()); + } + + if (REQ_NCO_BIT & req) + config_nco(d.tv_std, d.vga_mode); + + if (REQ_SHARPNESS_BIT & req) + config_sharpness(d.sharpness); + + if (REQ_FLICKER_BIT & req) + config_flicker(d.flicker); + + if (REQ_COLOR_BIT & req) + config_color(d.color); + + if (REQ_BRIGHTNESS_CONTRAST_BIT & req) { + config_brightness_contrast(d.tv_std, + d.aps_trigger_bits, d.brightness, d.contrast); + } + + if (REQ_YC_FILTER_BIT & req) { + config_yc_filter(d.tv_std, + (d.yc_filter & GFX_LUMA_FILTER), + (d.yc_filter & GFX_CHROMA_FILTER)); + } + + if (REQ_MACROVISION_BIT & req) + config_macrovision(d.tv_std, d.aps_trigger_bits); + + /*if we decided to put the encoder into reset, put it back */ + if (reset) { + houston_ReadReg(ENC_RESET, ®, 1); + houston_WriteReg(ENC_RESET, reg_encoder_reset | (reg & ~0x01), 1); + + d.last_overscan_y = d.overscan_y; + } + return 0; +} + +/*==========================================================================*/ +/* TV On */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_tv_enable(unsigned int *p_on) +#else +int +gfx_get_tv_enable(unsigned int *p_on) +#endif +{ + if (!p_on) + return ERR_INVALID_PARAMETER; + + *p_on = d.tv_on; + + return 0; +} + +/*//int FS450_set_tv_on(unsigned int on)*/ +#if GFX_TV_DYNAMIC +int +fs450_set_tv_enable(int on) +#else +int +gfx_set_tv_enable(int on) +#endif +{ + unsigned long reg; + + /*if not mode change, just return */ + if ((d.tv_on && on) || (!d.tv_on && !on)) + return 0; + + /*if turning off... */ + if (!on) { + /*reenable vga. */ + PLAL_EnableVga(); + + /*power down houston */ + config_power(0); + + d.tv_on = 0; + + return 0; + } + + /*turning on... */ + + /*power up houston */ + config_power(1); + + /*assert encoder reset. */ + houston_WriteReg(ENC_RESET, 0x01, 1); + + /*initial platform preparation */ + PLAL_PrepForTVout(); + + /*configure encoder and nco. */ + write_config(REQ_VGA_MODE | + REQ_TV_STANDARD | + REQ_TVOUT_MODE | + REQ_OVERSCAN_POSITION | REQ_YC_FILTER | REQ_MACROVISION); + + /*set LP_EN and UIM */ + houston_ReadReg(HOUSTON_CR, ®, 2); + reg |= CR_LP_EN; + reg &= ~(CR_UIM_MOD0 | CR_UIM_MOD1); + reg |= (PLAL_FS450_UIM_mode() << 14); + houston_WriteReg(HOUSTON_CR, reg, 2); + + /*set platform timing registers */ + PLAL_SetTVTimingRegisters(p_specs()); + + PLAL_FinalEnableTVout(d.vga_mode); + + /*sync bridge */ + { + int retry_count = 0; + + /*sync 50 times */ + while (retry_count++ < 50) { + /*sync bridge. */ + houston_ReadReg(HOUSTON_MISC, ®, 2); + reg |= MISC_BRIDGE_SYNC; + houston_WriteReg(HOUSTON_MISC, reg, 2); + reg &= ~MISC_BRIDGE_SYNC; + houston_WriteReg(HOUSTON_MISC, reg, 2); + } + } + + /*deassert encoder reset. */ + houston_WriteReg(ENC_RESET, 0x00, 1); + + d.tv_on = 1; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_tv_defaults(int format) +#else +int +gfx_set_tv_defaults(int format) +#endif +{ + return 0; +} + +/*==========================================================================*/ +/* TV standard */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_tv_standard(unsigned long *p_standard) +#else +int +gfx_get_tv_standard(unsigned long *p_standard) +#endif +{ + if (!p_standard) + return ERR_INVALID_PARAMETER; + + *p_standard = d.tv_std; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_get_available_tv_standards(unsigned long *p_standards) +#else +int +gfx_get_available_tv_standards(unsigned long *p_standards) +#endif +{ + if (!p_standards) + return ERR_INVALID_PARAMETER; + + *p_standards = supported_standards(); + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_tv_standard(unsigned long standard) +#else +int +gfx_set_tv_standard(unsigned long standard) +#endif +{ + /* verify supported standard. */ + if (!(standard & supported_standards())) + return ERR_INVALID_PARAMETER; + + /* disallow if tv is on */ + if (d.tv_on) + return ERR_CANNOT_CHANGE_WHILE_TV_ON; + + d.tv_std = standard; + /* d.color = tvsetup.color[k]; */ + + return write_config(REQ_TV_STANDARD); +} + +/*==========================================================================*/ +/* vga mode as known by the driver */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_tv_vga_mode(unsigned long *p_vga_mode) +#else +int +gfx_get_tv_vga_mode(unsigned long *p_vga_mode) +#endif +{ + if (!p_vga_mode) + return ERR_INVALID_PARAMETER; + + *p_vga_mode = d.vga_mode; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_get_available_tv_vga_modes(unsigned long *p_vga_modes) +#else +int +gfx_get_available_tv_vga_modes(unsigned long *p_vga_modes) +#endif +{ + if (!p_vga_modes) + return ERR_INVALID_PARAMETER; + + *p_vga_modes = + GFX_VGA_MODE_640X480 | + GFX_VGA_MODE_720X487 | GFX_VGA_MODE_720X576 | GFX_VGA_MODE_800X600; + if (houston_Rev() >= HOUSTON_REV_B) + *p_vga_modes |= GFX_VGA_MODE_1024X768; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_tv_vga_mode(unsigned long vga_mode) +#else +int +gfx_set_tv_vga_mode(unsigned long vga_mode) +#endif +{ + /*reject if not a single valid VGA mode */ + switch (vga_mode) { + default: + return ERR_INVALID_PARAMETER; + case GFX_VGA_MODE_640X480: + case GFX_VGA_MODE_720X487: + case GFX_VGA_MODE_720X576: + case GFX_VGA_MODE_800X600: + break; + case GFX_VGA_MODE_1024X768: + if (houston_Rev() >= HOUSTON_REV_B) + break; + return ERR_INVALID_PARAMETER; + } + + /*if the mode has changed... */ + if (vga_mode != d.vga_mode) { + d.vga_mode = vga_mode; + + return write_config(REQ_VGA_MODE); + } + + return 0; +} + +/*==========================================================================*/ +/* tvout mode */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_tvout_mode(unsigned long *p_tvout_mode) +#else +int +gfx_get_tvout_mode(unsigned long *p_tvout_mode) +#endif +{ + if (!p_tvout_mode) + return ERR_INVALID_PARAMETER; + + *p_tvout_mode = d.tvout_mode; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_tvout_mode(unsigned long tvout_mode) +#else +int +gfx_set_tvout_mode(unsigned long tvout_mode) +#endif +{ + d.tvout_mode = tvout_mode; + + return write_config(REQ_TVOUT_MODE); +} + +/*==========================================================================*/ +/* Sharpness */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_sharpness(int *p_sharpness) +#else +int +gfx_get_sharpness(int *p_sharpness) +#endif +{ + if (!p_sharpness) + return ERR_INVALID_PARAMETER; + + *p_sharpness = d.sharpness; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_sharpness(int sharpness) +#else +int +gfx_set_sharpness(int sharpness) +#endif +{ + d.sharpness = range_limit(sharpness, 0, 1000); + + return write_config(REQ_SHARPNESS); +} + +/*==========================================================================*/ +/* flicker filter control. */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_flicker_filter(int *p_flicker) +#else +int +gfx_get_flicker_filter(int *p_flicker) +#endif +{ + if (!p_flicker) + return ERR_INVALID_PARAMETER; + + *p_flicker = d.flicker; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_flicker_filter(int flicker) +#else +int +gfx_set_flicker_filter(int flicker) +#endif +{ + d.flicker = range_limit(flicker, 0, 1000); + + return write_config(REQ_FLICKER); +} + +/*==========================================================================*/ +/* Overscan and Position */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_overscan(int *p_x, int *p_y) +#else +int +gfx_get_overscan(int *p_x, int *p_y) +#endif +{ + if (!p_x || !p_y) + return ERR_INVALID_PARAMETER; + + *p_x = d.overscan_x; + *p_y = d.overscan_y; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_overscan(int x, int y) +#else +int +gfx_set_overscan(int x, int y) +#endif +{ + d.overscan_x = range_limit(x, -1000, 1000); + d.overscan_y = range_limit(y, -1000, 1000); + + return write_config(REQ_OVERSCAN_POSITION); +} + +#if GFX_TV_DYNAMIC +int +fs450_get_position(int *p_x, int *p_y) +#else +int +gfx_get_position(int *p_x, int *p_y) +#endif +{ + if (!p_x || !p_y) + return ERR_INVALID_PARAMETER; + + *p_x = d.position_x; + *p_y = d.position_y; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_position(int x, int y) +#else +int +gfx_set_position(int x, int y) +#endif +{ + d.position_x = range_limit(x, -1000, 1000); + d.position_y = range_limit(y, -1000, 1000); + + return write_config(REQ_OVERSCAN_POSITION); +} + +/*==========================================================================*/ +/* Color, Brightness, and Contrast */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_color(int *p_color) +#else +int +gfx_get_color(int *p_color) +#endif +{ + if (!p_color) + return ERR_INVALID_PARAMETER; + + *p_color = d.color; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_color(int color) +#else +int +gfx_set_color(int color) +#endif +{ + d.color = range_limit(color, 0, 100); + + return write_config(REQ_COLOR); +} + +#if GFX_TV_DYNAMIC +int +fs450_get_brightness(int *p_brightness) +#else +int +gfx_get_brightness(int *p_brightness) +#endif +{ + if (!p_brightness) + return ERR_INVALID_PARAMETER; + + *p_brightness = d.brightness; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_brightness(int brightness) +#else +int +gfx_set_brightness(int brightness) +#endif +{ + d.brightness = range_limit(brightness, 0, 100); + + return write_config(REQ_BRIGHTNESS_CONTRAST); +} + +#if GFX_TV_DYNAMIC +int +fs450_get_contrast(int *p_contrast) +#else +int +gfx_get_contrast(int *p_contrast) +#endif +{ + if (!p_contrast) + return ERR_INVALID_PARAMETER; + + *p_contrast = d.contrast; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_contrast(int constrast) +#else +int +gfx_set_contrast(int constrast) +#endif +{ + d.contrast = range_limit(constrast, 0, 100); + + return write_config(REQ_BRIGHTNESS_CONTRAST); +} + +/*==========================================================================*/ +/* YC filters */ +/*==========================================================================*/ + +#if GFX_TV_DYNAMIC +int +fs450_get_yc_filter(unsigned int *p_yc_filter) +#else +int +gfx_get_yc_filter(unsigned int *p_yc_filter) +#endif +{ + if (!p_yc_filter) + return ERR_INVALID_PARAMETER; + + if (houston_Rev() < HOUSTON_REV_B) + return ERR_NOT_SUPPORTED; + + *p_yc_filter = d.yc_filter; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_yc_filter(unsigned int yc_filter) +#else +int +gfx_set_yc_filter(unsigned int yc_filter) +#endif +{ + if (houston_Rev() < HOUSTON_REV_B) + return ERR_NOT_SUPPORTED; + + /*luma filter. */ + if (yc_filter & GFX_LUMA_FILTER) + d.yc_filter |= GFX_LUMA_FILTER; + else + d.yc_filter &= ~GFX_LUMA_FILTER; + + /*chroma filter. */ + if (yc_filter & GFX_CHROMA_FILTER) + d.yc_filter |= GFX_CHROMA_FILTER; + else + d.yc_filter &= ~GFX_CHROMA_FILTER; + + return write_config(REQ_YC_FILTER); +} + +#if GFX_TV_DYNAMIC +int +fs450_get_aps_trigger_bits(unsigned int *p_trigger_bits) +#else +int +gfx_get_aps_trigger_bits(unsigned int *p_trigger_bits) +#endif +{ + if (!p_trigger_bits) + return ERR_INVALID_PARAMETER; + + *p_trigger_bits = d.aps_trigger_bits; + + return 0; +} + +#if GFX_TV_DYNAMIC +int +fs450_set_aps_trigger_bits(unsigned int trigger_bits) +#else +int +gfx_set_aps_trigger_bits(unsigned int trigger_bits) +#endif +{ + d.aps_trigger_bits = trigger_bits; + + return write_config(REQ_MACROVISION); +} + +/*---------------------------------------------------------------------------- + * gfx_set_tv_format + * + * This routine sets the TV encoder registers to the specified format + * and resolution. + * Currently only NTSC 640x480 is supported. + *---------------------------------------------------------------------------- + */ +#if GFX_TV_DYNAMIC +int +fs450_set_tv_format(TVStandardType format, GfxOnTVType resolution) +#else +int +gfx_set_tv_format(TVStandardType format, GfxOnTVType resolution) +#endif +{ + /* ### ADD ### IMPLEMENTATION */ + return (0); +} + +/*---------------------------------------------------------------------------- + * gfx_set_tv_output + * + * This routine sets the TV encoder registers to the specified output type. + * Supported output types are : S-VIDEO and Composite. + *---------------------------------------------------------------------------- + */ +#if GFX_TV_DYNAMIC +int +fs450_set_tv_output(int output) +#else +int +gfx_set_tv_output(int output) +#endif +{ + /* ### ADD ### IMPLEMENTATION */ + return (0); +} + +/*---------------------------------------------------------------------------- + * gfx_set_tv_cc_enable + * + * This routine enables or disables the use of the hardware CC registers + * in the TV encoder. + *---------------------------------------------------------------------------- + */ +#if GFX_TV_DYNAMIC +int +fs450_set_tv_cc_enable(int enable) +#else +int +gfx_set_tv_cc_enable(int enable) +#endif +{ + /* ### ADD ### IMPLEMENTATION */ + return (0); +} + +/*---------------------------------------------------------------------------- + * gfx_set_tv_cc_data + * + * This routine writes the two specified characters to the CC data register + * of the TV encoder. + *---------------------------------------------------------------------------- + */ +#if GFX_TV_DYNAMIC +int +fs450_set_tv_cc_data(unsigned char data1, unsigned char data2) +#else +int +gfx_set_tv_cc_data(unsigned char data1, unsigned char data2) +#endif +{ + /* ### ADD ### IMPLEMENTATION */ + return (0); +} + +#ifdef FS450_DIRECTREG + +/*==========================================================================*/ +/* Direct Read and Write registers */ +/*==========================================================================*/ + +int +FS450_ReadRegister(S_REG_INFO * p_reg) +{ + unsigned long tmp; + + if (PLAL_ReadRegister(p_reg)) + return 0; + + if (SOURCE_HOUSTON == p_reg->source) { + switch (p_reg->size) { + case 1: + case 2: + { + houston_ReadReg((int)p_reg->offset, &tmp, (int)p_reg->size); + p_reg->value = tmp; + } + return 0; + + case 4: + { + houston_ReadReg((unsigned int)p_reg->offset, &tmp, 2); + p_reg->value = (tmp << 16); + houston_ReadReg((unsigned int)(p_reg->offset + 2), &tmp, 2); + p_reg->value |= tmp; + } + return 0; + } + } + + return ERR_INVALID_PARAMETER; +} + +int +FS450_WriteRegister(S_REG_INFO * p_reg) +{ + if (PLAL_WriteRegister(p_reg)) + return 0; + + if (SOURCE_HOUSTON == p_reg->source) { + houston_WriteReg((unsigned int)p_reg->offset, p_reg->value, + p_reg->size); + + return 0; + } + + return ERR_INVALID_PARAMETER; +} + +#endif + +/* Houston initialization function. */ +static int g_houston_rev = -1; + +static int +houston_init(void) +{ + /*//int errc; */ + unsigned long write, read; + + TRACE(("houston_init()\n")) + + /*Before we begin, we must enable power to the TFT */ + read = READ_VID32(CS5530_DISPLAY_CONFIG); + read |= CS5530_DCFG_FP_PWR_EN | CS5530_DCFG_FP_DATA_EN; + WRITE_VID32(CS5530_DISPLAY_CONFIG, read); + + /*simple w/r test. */ + write = 0x0055; + read = 0; + + houston_WriteReg(HOUSTON_IHO, write, 2); + houston_ReadReg(HOUSTON_IHO, &read, 2); + if (read != write) { + houston_WriteReg(HOUSTON_IHO, write, 2); + houston_ReadReg(HOUSTON_IHO, &read, 2); + if (read != write) { + /*chip is not there, do something appropriate? */ + TRACE(("wrote HOUSTON_IHO=0x0055, read 0x%04x\n", read)) + return ERR_DEVICE_NOT_FOUND; + } + } + + /*read chip revision. */ + houston_ReadReg(HOUSTON_REV, &read, 2); + g_houston_rev = (int)read; + + /*ok. */ + return 0; +} + +static int +houston_Rev(void) +{ + return g_houston_rev; +} + +static S_TIMING_SPECS g_specs; + +static const S_TIMING_SPECS * +p_specs(void) +{ + return &g_specs; +} + +/*==========================================================================*/ +/* FS450 configuration functions. */ +/*==========================================================================*/ +static int +config_init(void) +{ + int err; + + TRACE(("config_init()\n")) + + err = houston_init(); + if (err) + return err; + + return 0; +} + +/*==========================================================================*/ +/* convert word to encoder 10 bit value. */ +/*==========================================================================*/ + +static unsigned short +w10bit2z(unsigned short w) +{ + return (w >> 2) | ((w & 0x03) << 8); +} + +static unsigned short +z2w10bit(unsigned short z) +{ + return (0x03 & (z >> 8)) | ((0xFF & z) << 2); +} + +/*==========================================================================*/ +/* TV Standards */ +/*==========================================================================*/ + +static const struct +{ + unsigned long standard; + int tvsetup_index; +} g_tv_standards[] = { + { + GFX_TV_STANDARD_NTSC_M, 0}, { + GFX_TV_STANDARD_NTSC_M_J, 2}, { + GFX_TV_STANDARD_PAL_B, 1}, { + GFX_TV_STANDARD_PAL_D, 1}, { + GFX_TV_STANDARD_PAL_H, 1}, { + GFX_TV_STANDARD_PAL_I, 1}, { + GFX_TV_STANDARD_PAL_M, 3}, { + GFX_TV_STANDARD_PAL_N, 4}, { +GFX_TV_STANDARD_PAL_G, 1},}; + +static int +map_tvstd_to_index(unsigned long tv_std) +{ + unsigned int i; + + for (i = 0; i < sizeof(g_tv_standards) / sizeof(*g_tv_standards); i++) { + if (tv_std == g_tv_standards[i].standard) + return g_tv_standards[i].tvsetup_index; + } + + return -1; +} + +static unsigned long +supported_standards(void) +{ + unsigned long standards = 0; + unsigned int i; + + for (i = 0; i < sizeof(g_tv_standards) / sizeof(*g_tv_standards); i++) { + if (g_tv_standards[i].tvsetup_index >= 0) + standards |= g_tv_standards[i].standard; + } + + return standards; +} + +/*==========================================================================*/ + +static void +config_power(int on) +{ + unsigned long reg; + + if (houston_Rev() < HOUSTON_REV_B) { + /* no power down supported, but still turn of clock in off mode */ + if (on) { + houston_ReadReg(HOUSTON_CR, ®, 2); + reg &= ~(CR_CLKOFF | CR_RESET); + houston_WriteReg(HOUSTON_CR, reg, 2); + reg |= CR_RESET; + houston_WriteReg(HOUSTON_CR, reg, 2); + reg &= ~CR_RESET; + houston_WriteReg(HOUSTON_CR, reg, 2); + } else { + houston_ReadReg(HOUSTON_CR, ®, 2); + reg |= CR_CLKOFF; + houston_WriteReg(HOUSTON_CR, reg, 2); + } + + return; + } + + if (on) { + /* !CLKOFF, !COMPOFF, !YCOFF */ + /* and reset Houston */ + houston_ReadReg(HOUSTON_CR, ®, 2); + reg &= ~(CR_CLKOFF | CR_RESET | CR_COMPOFF | CR_YCOFF); + houston_WriteReg(HOUSTON_CR, reg, 2); + reg |= CR_RESET; + houston_WriteReg(HOUSTON_CR, reg, 2); + reg &= ~CR_RESET; + houston_WriteReg(HOUSTON_CR, reg, 2); + + /* !GTLIO_PD */ + houston_ReadReg(HOUSTON_MISC, ®, 2); + reg &= ~MISC_GTLIO_PD; + houston_WriteReg(HOUSTON_MISC, reg, 2); + } else { + /* CLKOFF, COMPOFF, YCOFF */ + houston_ReadReg(HOUSTON_CR, ®, 2); + reg |= (CR_CLKOFF | CR_COMPOFF | CR_YCOFF); + houston_WriteReg(HOUSTON_CR, reg, 2); + + /* GTLIO_PD */ + houston_ReadReg(HOUSTON_MISC, ®, 2); + reg |= MISC_GTLIO_PD; + houston_WriteReg(HOUSTON_MISC, reg, 2); + } +} + +/*==========================================================================*/ +/* VGA mode */ +/*==========================================================================*/ + +static void +config_vga_mode(unsigned long vga_mode) +{ + /*h_total must be evenly divisible by 32? */ + + static struct + { + unsigned long mode; + int width; + int lines; + int h_total; + } vgaparams[] = { + { + GFX_VGA_MODE_640X480, 640, 480, 1056}, { + GFX_VGA_MODE_720X487, 720, 487, 1056}, { + GFX_VGA_MODE_720X576, 720, 576, 1056}, { + GFX_VGA_MODE_800X600, 800, 600, 1056}, { + GFX_VGA_MODE_1024X768, 1024, 768, 1344},}; + + unsigned long cr, misc, byp; + unsigned int i; + + g_specs.vga_width = 0; + g_specs.vga_lines = 0; + g_specs.h_total = 0; + + for (i = 0; i < sizeof(vgaparams) / sizeof(*vgaparams); i++) { + if (vga_mode == vgaparams[i].mode) { + g_specs.vga_width = vgaparams[i].width; + g_specs.vga_lines = vgaparams[i].lines; + g_specs.h_total = vgaparams[i].h_total; + break; + } + } + if (!g_specs.h_total) + return; + + /*clock mux decimator and vga dual. */ + houston_ReadReg(HOUSTON_CR, &cr, 2); + houston_ReadReg(HOUSTON_MISC, &misc, 2); + houston_ReadReg(HOUSTON_BYP, &byp, 2); + + if (vga_mode == GFX_VGA_MODE_1024X768) { + /*XGA*/ cr |= CR_UIM_DEC; + misc |= MISC_VGACKDIV; + byp |= (BYP_HDS_BYPASS | BYP_CAC_BYPASS); + } else { + /*VGA,SVGA */ + cr &= ~CR_UIM_DEC; + misc &= ~MISC_VGACKDIV; + byp &= ~(BYP_HDS_BYPASS | BYP_CAC_BYPASS); + } + + houston_WriteReg(HOUSTON_CR, cr, 2); + houston_WriteReg(HOUSTON_MISC, misc, 2); + houston_WriteReg(HOUSTON_BYP, byp, 2); +} + +/*==========================================================================*/ +/* Write settings for TV standard to device */ +/*==========================================================================*/ + +static void +config_tv_std(unsigned long tv_std, unsigned int trigger_bits) +{ + int k; + unsigned short reg34; + unsigned long cr, w; + unsigned long l; + + /*verify supported standard. */ + k = map_tvstd_to_index(tv_std); + if (k < 0) + return; + + /*store tv width and lines */ + g_specs.tv_width = tvsetup.tv_width[k]; + g_specs.tv_lines = tvsetup.tv_lines[k]; + + /*houston CR register. */ + houston_ReadReg(HOUSTON_CR, &cr, 2); + cr &= ~CR_656_PAL_NTSC; + cr |= tvsetup.houston_cr[k]; + houston_WriteReg(HOUSTON_CR, cr, 2); + + /*setup the encoder. */ + l = tvsetup.chroma_freq[k]; + houston_WriteReg(ENC_CHROMA_FREQ, (int)(l & 0x00ff), 1); + houston_WriteReg(ENC_CHROMA_FREQ + 1, (int)((l >> 8) & 0x00ff), 1); + houston_WriteReg(ENC_CHROMA_FREQ + 2, (int)((l >> 16) & 0x00ff), 1); + houston_WriteReg(ENC_CHROMA_FREQ + 3, (int)((l >> 24) & 0x00ff), 1); + + houston_WriteReg(ENC_CHROMA_PHASE, tvsetup.chroma_phase[k], 1); + houston_WriteReg(ENC_REG05, 0x00, 1); /*reg 0x05 */ + houston_WriteReg(ENC_REG06, 0x89, 1); /*reg 0x06 */ + houston_WriteReg(ENC_REG07, 0x00, 1); /*reg 0x07 */ + houston_WriteReg(ENC_HSYNC_WIDTH, tvsetup.hsync_width[k], 1); + houston_WriteReg(ENC_BURST_WIDTH, tvsetup.burst_width[k], 1); + houston_WriteReg(ENC_BACK_PORCH, tvsetup.back_porch[k], 1); + houston_WriteReg(ENC_CB_BURST_LEVEL, tvsetup.cb_burst_level[k], 1); + houston_WriteReg(ENC_CR_BURST_LEVEL, tvsetup.cr_burst_level[k], 1); + houston_WriteReg(ENC_SLAVE_MODE, 0x01, 1); /*slave mode */ + if (trigger_bits == 0) + w = w10bit2z(tvsetup.blank_level[k]); /*blank level */ + else + w = w10bit2z((unsigned short)(tvsetup.blank_level[k] - + tvsetup.hamp_offset[k])); + houston_WriteReg(ENC_BLANK_LEVEL, w & 0x00ff, 1); + houston_WriteReg(ENC_BLANK_LEVEL + 1, w >> 8, 1); + w = w10bit2z(tvsetup.tv_lines[k]); /*num_lines */ + houston_WriteReg(ENC_NUM_LINES, w & 0x00ff, 1); + houston_WriteReg(ENC_NUM_LINES + 1, w >> 8, 1); + + houston_WriteReg(ENC_TINT, 0x00, 1); /*tint */ + houston_WriteReg(ENC_BREEZE_WAY, tvsetup.breeze_way[k], 1); + houston_WriteReg(ENC_FRONT_PORCH, tvsetup.front_porch[k], 1); + houston_WriteReg(ENC_ACTIVELINE, tvsetup.activeline[k], 1); + houston_WriteReg(ENC_FIRST_LINE, 0x15, 1); /*firstvideoline */ + reg34 = + 0x80 | + (tvsetup.pal_mode[k] << 6) | + (tvsetup.sys625_50[k] << 3) | + (tvsetup.cphase_rst[k] << 1) | (tvsetup.vsync5[k]); + houston_WriteReg(ENC_REG34, reg34, 1); /*reg 0x34 */ + houston_WriteReg(ENC_SYNC_LEVEL, tvsetup.sync_level[k], 1); + if (trigger_bits == 0) + w = w10bit2z(tvsetup.vbi_blank_level[k]); /*blank level */ + else + w = w10bit2z((unsigned short)(tvsetup.vbi_blank_level[k] - 1)); + houston_WriteReg(ENC_VBI_BLANK_LEVEL, w & 0x00ff, 1); + houston_WriteReg(ENC_VBI_BLANK_LEVEL + 1, w >> 8, 1); +} + +static void +conget_tv_std(unsigned long *p_tv_standard) +{ + unsigned long cr; + + if (!p_tv_standard) + return; + + /*just pick between NTSC and PAL */ + houston_ReadReg(HOUSTON_CR, &cr, 2); + if (CR_656_PAL_NTSC & cr) + *p_tv_standard = GFX_TV_STANDARD_PAL_B; + else + *p_tv_standard = GFX_TV_STANDARD_NTSC_M; +} + +/*==========================================================================*/ +/* TVout mode */ +/*==========================================================================*/ + +static void +config_tvout_mode(unsigned long tvout_mode) +{ + unsigned long cr; + + houston_ReadReg(HOUSTON_CR, &cr, 2); + + /*all dacs off */ + cr |= (CR_COMPOFF | CR_YCOFF); + /*not rgb */ + cr &= ~CR_OFMT; + + /*turn on requested output */ + if (GFX_TVOUT_MODE_CVBS & tvout_mode) + cr &= ~CR_COMPOFF; + if (GFX_TVOUT_MODE_YC & tvout_mode) + cr &= ~CR_YCOFF; + if (GFX_TVOUT_MODE_RGB & tvout_mode) { + cr &= ~(CR_COMPOFF | CR_YCOFF); + cr |= CR_OFMT; + } + + houston_WriteReg(HOUSTON_CR, cr, 2); +} + +static void +conget_tvout_mode(unsigned long *p_tvout_mode) +{ + unsigned long cr; + + if (!p_tvout_mode) + return; + + houston_ReadReg(HOUSTON_CR, &cr, 2); + + if (CR_OFMT & cr) + *p_tvout_mode = GFX_TVOUT_MODE_RGB; + else { + *p_tvout_mode = 0; + if (!(CR_YCOFF & cr)) + *p_tvout_mode |= GFX_TVOUT_MODE_YC; + if (!(CR_COMPOFF & cr)) + *p_tvout_mode |= GFX_TVOUT_MODE_CVBS; + } +} + +/*==========================================================================*/ +/* Size & Position */ +/*==========================================================================*/ + +#define IS_NTSC(tv_std) \ + (tv_std & ( \ + GFX_TV_STANDARD_NTSC_M | \ + GFX_TV_STANDARD_NTSC_M_J | \ + GFX_TV_STANDARD_PAL_M)) +#define IS_PAL(tv_std) \ + (tv_std & ( \ + GFX_TV_STANDARD_PAL_B | \ + GFX_TV_STANDARD_PAL_D | \ + GFX_TV_STANDARD_PAL_H | \ + GFX_TV_STANDARD_PAL_I | \ + GFX_TV_STANDARD_PAL_N | \ + GFX_TV_STANDARD_PAL_G)) + +/*return fifo delay setting for mode, std, and total lines.*/ + +static void +get_ffolat_ivo(unsigned long vga_mode, + unsigned long tv_std, long i, unsigned short *ffolat, unsigned short *ivo) +{ + switch (vga_mode) { + case GFX_VGA_MODE_640X480: + if (IS_NTSC(tv_std)) { + if (i > SIZE6X4NTSC - 1) + i = SIZE6X4NTSC - 1; + *ffolat = ffo6x4ntsc[i].ffolat; + *ivo = 0x20; + } else { + if (i > SIZE6X4PAL - 1) + i = SIZE6X4PAL - 1; + *ffolat = ffo6x4pal[i].ffolat; + *ivo = 0x28; + } + break; + + case GFX_VGA_MODE_800X600: + if (IS_NTSC(tv_std)) { + if (i > SIZE8X6NTSC - 1) + i = SIZE8X6NTSC - 1; + *ffolat = ffo8x6ntsc[i].ffolat; + *ivo = 0x3a; + } else { + if (i > SIZE8X6PAL - 1) + i = SIZE8X6PAL - 1; + *ffolat = ffo8x6pal[i].ffolat; + *ivo = 0x39; + } + break; + + case GFX_VGA_MODE_720X487: + *ffolat = 0x40; /*FFO7x4; */ + *ivo = 0x1a; + break; + + case GFX_VGA_MODE_720X576: + *ffolat = 0x40; /*FFO7x5; */ + *ivo = 0x1a; + break; + + case GFX_VGA_MODE_1024X768: + default: + if (IS_NTSC(tv_std)) { + if (i > SIZE10X7NTSC - 1) + i = SIZE10X7NTSC - 1; + *ffolat = ffo10x7ntsc[i].ffolat; + *ivo = ffo10x7ntsc[i].ivo; + } else { + if (i > SIZE10X7PAL - 1) + i = SIZE10X7PAL - 1; + *ffolat = ffo10x7pal[i].ffolat; + *ivo = ffo10x7pal[i].ivo; + } + break; + } +} + +/*get vertical line min and max for mode and std.*/ + +static void +get_vtotal_min_max(unsigned long vga_mode, + unsigned long tv_std, int *v_total_min, int *v_total_max, int *v_step) +{ + int k = map_tvstd_to_index(tv_std); + + switch (vga_mode) { + case GFX_VGA_MODE_640X480: + if (IS_NTSC(tv_std)) { + *v_total_min = ffo6x4ntsc[0].v_total; + *v_total_max = ffo6x4ntsc[SIZE6X4NTSC - 1].v_total; + } else { + *v_total_min = ffo6x4pal[0].v_total; + *v_total_max = ffo6x4pal[SIZE6X4PAL - 1].v_total; + } + *v_step = 4; + break; + + case GFX_VGA_MODE_800X600: + if (IS_NTSC(tv_std)) { + *v_total_min = ffo8x6ntsc[0].v_total; + *v_total_max = ffo8x6ntsc[SIZE8X6NTSC - 1].v_total; + } else { + *v_total_min = ffo8x6pal[0].v_total; + *v_total_max = ffo8x6pal[SIZE8X6PAL - 1].v_total; + } + *v_step = 5; + break; + + case GFX_VGA_MODE_720X487: + case GFX_VGA_MODE_720X576: + *v_total_min = tvsetup.tv_lines[k]; + *v_total_max = tvsetup.tv_lines[k]; + *v_step = 4; + break; + + case GFX_VGA_MODE_1024X768: + if (IS_NTSC(tv_std)) { + *v_total_min = ffo10x7ntsc[0].v_total; + *v_total_max = ffo10x7ntsc[SIZE10X7NTSC - 1].v_total; + } else { + *v_total_min = ffo10x7pal[0].v_total; + *v_total_max = ffo10x7pal[SIZE10X7PAL - 1].v_total; + } + *v_step = 6; + break; + } +} + +static void +config_overscan_xy(unsigned long tv_std, + unsigned long vga_mode, + int overscan_x, int overscan_y, int pos_x, int pos_y) +{ + unsigned int vga_index; + unsigned long reg; + double vsc; + int k; + unsigned short ffolat, ivo; + int base_v_total, range, v_offset; + int v_total_min, v_total_max, v_step; + float r, f; + int vga_pixels, pre_pixels; + float hscale, hscale_min, hscale_max; + int hsc; + int iho, iho_max, ihw; + + /*tv_std is valid. */ + k = map_tvstd_to_index(tv_std); + + /*store tv width and lines */ + g_specs.tv_width = tvsetup.tv_width[k]; + g_specs.tv_lines = tvsetup.tv_lines[k]; + + /*determine vga mode index */ + for (vga_index = 0; vga_index < SCANTABLE_ENTRIES; vga_index++) { + if (scantable[vga_index].mode == vga_mode) + break; + } + if (vga_index >= SCANTABLE_ENTRIES) + return; + + /*vertical scaling (v_total setup). */ + /*calculate vertical range. */ + get_vtotal_min_max(vga_mode, tv_std, &v_total_min, &v_total_max, &v_step); + TRACE(("v_total min=%d, max=%d\n", v_total_min, v_total_max)) + base_v_total = scantable[vga_index].v_total[k]; + range = fsmax(base_v_total - v_total_min, v_total_max - base_v_total); + TRACE(("v_total range = %d\n", range)) + + /*map +/-1000 overscan y into +/-range. */ + v_offset = (int)((((float)overscan_y * range) / 1000.f) + .5f); + TRACE(("v_offset = %d\n", v_offset)) + + /*range limit v_total. */ + g_specs.v_total = + range_limit(base_v_total + v_offset, v_total_min, v_total_max); + + /*round to calibrated value. */ + v_offset = (g_specs.v_total - v_total_min + (v_step / 2)) / v_step; + g_specs.v_total = v_total_min + v_offset * v_step; + TRACE(("desired v_total=%d\n", g_specs.v_total)) + + /*vertical positioning (vsync setup). */ + get_ffolat_ivo(vga_mode, tv_std, v_offset, &ffolat, &ivo); + houston_WriteReg(HOUSTON_IVO, ivo, 2); + + /*scale base sync offset by scaling ratio. */ + r = (float)g_specs.v_total / (float)base_v_total; + v_offset = (int)(r * (float)scantable[vga_index].v_sync[k]); + + /*scale ivo. */ + f = (float)ivo; + v_offset -= (int)(f - f / r); + + /*compensate for center screen. */ + f = (float)tvsetup.tv_active_lines[k] / 2.f; + v_offset += (int)(f * r - f); + + /*calculate vsync. */ + g_specs.v_sync = g_specs.v_total - v_offset + pos_y; + TRACE(("desired v_total=%d, desired v_sync=%d\n", g_specs.v_total, + g_specs.v_sync)) + if (g_specs.v_sync < g_specs.vga_lines + 10) { + TRACE(("vsync too low\n")) + /*d.v_total += d.vga_lines+10-d.v_sync; */ + g_specs.v_sync = g_specs.vga_lines + 10; + } else if (g_specs.v_sync > g_specs.v_total - 10) { + TRACE(("vsync too high\n")) + g_specs.v_sync = g_specs.v_total - 10; + } + TRACE(("v_total=%d v_sync=%d\n", g_specs.v_total, g_specs.v_sync)) + + /* FFOLAT. */ + houston_WriteReg(HOUSTON_FFO_LAT, ffolat, 2); + + /* VSC. */ + vsc = + (65536.0f * (1.0f - + (double)g_specs.tv_lines / (double)g_specs.v_total)) + 0.5f; + reg = ((unsigned long)-vsc) & 0xffff; + TRACE(("vsc=%04x, tv_lines=%d, v_total=%d\n", reg, g_specs.tv_lines, + g_specs.v_total)) + houston_WriteReg(HOUSTON_VSC, (int)reg, 2); + + /* horizontal scaling. */ + + /* vga pixels is vga width, except in 1024x768, where it's half that. */ + vga_pixels = g_specs.vga_width; + if (1024 == vga_pixels) + vga_pixels /= 2; + + /* maximum scaling coefficient is tv_width / vga_pixels */ + /* minimum is about 1/2, but that is quite small. arbitrarily set + * minimum at 75% maximum. */ + hscale_max = (720.0f / vga_pixels); + hscale_min = fsmax((0.75f * hscale_max), (1.0f - (63.0f / 128.0f))); + TRACE(("hscale_min = %u.%u, hscale_max = %u.%u\n", + (int)hscale_min, + (int)((hscale_min - (int)hscale_min) * 1000), + (int)hscale_max, (int)((hscale_max - (int)hscale_max) * 1000))) + + /* map overscan_x into min to max. */ + hscale = + hscale_min + ((overscan_x + 1000.0f) / 2000.0f) * (hscale_max - + hscale_min); + TRACE(("hscale = %u.%u\n", (int)hscale, + (int)((hscale - (int)hscale) * 1000))) + + /* determine hsc where hscale = (1 + hsc/128) */ + if (hscale >= 1.0f) + hsc = (int)(128.f * (hscale - 1.0f) + .5f); + else + hsc = (int)(128.f * (hscale - 1.0f) - .5f); + + TRACE(("hsc = %d\n", hsc)) + if (hsc >= 0) + houston_WriteReg(HOUSTON_HSC, hsc << 8, 2); + else + houston_WriteReg(HOUSTON_HSC, hsc & 0xFF, 2); + + /* recalculate hscale for future formulas */ + hscale = 1.0f + (hsc / 128.0f); + TRACE(("recalculated hscale = %u.%u\n", (int)hscale, + (int)((hscale - (int)hscale) * 1000))) + + /* horizontal offset. */ + /* place hsync 40 before halfway from vga_width to htotal */ + /* but not less than vga_width + 10 */ + g_specs.h_sync = + fsmax((g_specs.h_total + g_specs.vga_width) / 2 - 40, + g_specs.vga_width + 10); + /* also, make it even */ + g_specs.h_sync &= ~1; + TRACE(("hsync = %u\n", g_specs.h_sync)) + + /* iho range is 0 to iho_max. */ + /* iho_max is 2 * iho_center. */ + /* iho_center is pre_pixels - (tvwidth / hscale - vga pixels) / 2. */ + /* pre_pixels = (htotal - hsync) * (vga_pixels / vga_width) */ + /* note that the range is inverted also, because it specifies the number + * of pixels */ + /* to skip, or subtract. iho=0 maps to farthest right. */ + /* map -pos_x = +/-1000 into (0 to iho_max) */ + pre_pixels = + (int)((long)(g_specs.h_total - + g_specs.h_sync) * vga_pixels / g_specs.vga_width); + iho_max = (2 * pre_pixels) - ((int)(720.0f / hscale + 0.5f) - vga_pixels); + TRACE(("iho_max = %u\n", iho_max)) + iho = + (int)range_limit(((long)(1000 - pos_x) * iho_max / 2000) + + scantable[vga_index].iho[k], 0, iho_max); + TRACE(("iho = %u\n", iho)) + houston_WriteReg(HOUSTON_IHO, iho, 2); + + /* input horizontal width. */ + + /* input horizontal width is vga pixels + pre_pixels - iho */ + /* additionally, ihw cannot exceed tv width / hscale */ + /* and if hsc is negative, (ihw)(-hsc/128) cannot exceed ~250. */ + /* and ihw should be even. */ + ihw = fsmin(vga_pixels + pre_pixels - iho, (int)(720.0f / hscale)); + if (hsc < 0) + ihw = (int)fsmin(ihw, 253L * 128 / (-hsc)); + ihw &= ~1; + TRACE(("ihw = %u\n", ihw)) + houston_WriteReg(HOUSTON_IHA, ihw, 2); + + f = (((float)g_specs.h_total * g_specs.v_total) * 27.f) / + ((float)g_specs.tv_width * g_specs.tv_lines); + + TRACE(("freq=%u.%uMHz\n", (int)f, (int)((f - (int)f) * 1000))) +} + +/*==========================================================================*/ +/* configure houston nco. */ +/*==========================================================================*/ + +static void +config_nco(unsigned long tv_std, unsigned long vga_mode) +{ + unsigned long cr, misc; + unsigned long reg; + int k = map_tvstd_to_index(tv_std); + + /*read and store CR. */ + houston_ReadReg(HOUSTON_CR, &cr, 2); + + /*make sure NCO_EN (enable latch) bit is clear */ + cr &= ~CR_NCO_EN; + houston_WriteReg(HOUSTON_CR, cr, 2); + + /*clear NCO_LOADX. */ + houston_ReadReg(HOUSTON_MISC, &misc, 2); + misc &= ~(MISC_NCO_LOAD1 + MISC_NCO_LOAD0); + houston_WriteReg(HOUSTON_MISC, misc, 2); + + if (vga_mode == GFX_VGA_MODE_1024X768) { + /*setup for M and N load (Nco_load=1). */ + misc |= (MISC_NCO_LOAD0); + houston_WriteReg(HOUSTON_MISC, misc, 2); + + /*M and N. */ + houston_WriteReg(HOUSTON_NCONL, 1024 - 2, 2); + houston_WriteReg(HOUSTON_NCODL, 128 - 1, 2); + + /*latch M/N in. */ + cr |= CR_NCO_EN; + houston_WriteReg(HOUSTON_CR, cr, 2); + cr &= ~CR_NCO_EN; + houston_WriteReg(HOUSTON_CR, cr, 2); + + /*setup ncon and ncod load (Nco_load=0). */ + misc &= ~(MISC_NCO_LOAD1 + MISC_NCO_LOAD0); + houston_WriteReg(HOUSTON_MISC, misc, 2); + + /*NCON. */ + reg = ((unsigned long)g_specs.v_total * g_specs.h_total) / 2; + houston_WriteReg(HOUSTON_NCONH, reg >> 16, 2); + houston_WriteReg(HOUSTON_NCONL, reg & 0xffff, 2); + + /*NCOD. */ + houston_WriteReg(HOUSTON_NCODL, tvsetup.houston_ncodl[k], 2); + houston_WriteReg(HOUSTON_NCODH, tvsetup.houston_ncodh[k], 2); + } else { + /*setup for M and N load (Nco_load=2). */ + misc |= (MISC_NCO_LOAD1); + houston_WriteReg(HOUSTON_MISC, misc, 2); + + /*NCON. */ + reg = (unsigned long)g_specs.v_total * g_specs.h_total; + houston_WriteReg(HOUSTON_NCONH, reg >> 16, 2); + houston_WriteReg(HOUSTON_NCONL, reg & 0xffff, 2); + + /*NCOD. */ + houston_WriteReg(HOUSTON_NCODL, tvsetup.houston_ncodl[k], 2); + houston_WriteReg(HOUSTON_NCODH, tvsetup.houston_ncodh[k], 2); + + TRACE(("NCON = %lu (0x%08lx), NCOD = %lu (0x%08lx)\n", + reg, + reg, + ((unsigned long)tvsetup.houston_ncodh[k] << 16) + + tvsetup.houston_ncodl[k], + ((unsigned long)tvsetup.houston_ncodh[k] << 16) + + tvsetup.houston_ncodl[k])) + } + + /*latch M/N and NCON/NCOD in. */ + cr |= CR_NCO_EN; + houston_WriteReg(HOUSTON_CR, cr, 2); + cr &= ~CR_NCO_EN; + houston_WriteReg(HOUSTON_CR, cr, 2); +} + +/*==========================================================================*/ +/* Write sharpness settings to device */ +/*==========================================================================*/ + +static void +config_sharpness(int sharpness) +{ + unsigned int shp; + + /*map 0-1000 to 0-20. */ + shp = (unsigned int)(0.5f + ((float)sharpness * 20.0f / 1000.0f)); + shp = range_limit(shp, 0, 20); + + houston_WriteReg(HOUSTON_SHP, shp, 2); +} + +static void +conget_sharpness(int *p_sharpness) +{ + unsigned long shp; + + if (!p_sharpness) + return; + + houston_ReadReg(HOUSTON_SHP, &shp, 2); + + /*map 0-20 to 0-1000. */ + *p_sharpness = (int)(0.5f + ((float)shp * 1000.0f / 20.0f)); +} + +/*==========================================================================*/ +/* Write flicker settings to device */ +/*==========================================================================*/ + +static void +config_flicker(int flicker) +{ + unsigned int flk; + + /*map 0-1000 to 0-16. */ + flk = (unsigned int)(0.5f + ((float)flicker * 16.0f / 1000.0f)); + flk = range_limit(flk, 0, 16); + + houston_WriteReg(HOUSTON_FLK, flk, 2); +} + +static void +conget_flicker(int *p_flicker) +{ + unsigned long flk; + + if (!p_flicker) + return; + + houston_ReadReg(HOUSTON_FLK, &flk, 2); + + /*map 0-16 to 0-1000. */ + *p_flicker = (int)(0.5f + ((float)flk * 1000.0f / 16.0f)); +} + +/*==========================================================================*/ +/* Write color settings to device */ +/*==========================================================================*/ + +static void +config_color(int color) +{ + unsigned long clr; + + /*map 0-100 to 0-255. */ + /*montreal production test needs 169 to be mappable, so */ + /*use .8 rounding factor, 169=(int)(66.*2.55+.8). */ + clr = (unsigned long)(0.8f + ((float)color * 255.0f / 100.0f)); + clr = range_limit(clr, 0, 255); + + houston_WriteReg(ENC_CR_GAIN, clr, 1); + houston_WriteReg(ENC_CB_GAIN, clr, 1); +} + +static void +conget_color(int *p_color) +{ + unsigned long cr_gain; + + if (!p_color) + return; + + /*just get CR GAIN, CB GAIN should match. */ + houston_ReadReg(ENC_CR_GAIN, &cr_gain, 1); + + /*map 0-255 to 0-100. */ + *p_color = (int)(0.5f + ((float)cr_gain * 100.0f / 255.0f)); +} + +/*==========================================================================*/ +/* Write brightness and contrast settings to device */ +/*==========================================================================*/ + +#define NTSC_BLANK_LEVEL 240 + +static const int min_black_level = NTSC_BLANK_LEVEL + 1; +static const int max_white_level = 1023; + +static void +config_brightness_contrast(unsigned long tv_std, unsigned int trigger_bits, + int brightness, int contrast) +{ + int brightness_off; + float contrast_mult; + int black, white; + unsigned short w; + int k = map_tvstd_to_index(tv_std); + + /*0-100 maps to +/-220. */ + brightness_off = + (int)(0.5f + ((float)brightness * 440.0f / 100.0f)) - 220; + + /*0-100 maps to .75-1.25. */ + contrast_mult = ((float)contrast * 0.5f / 100.0f) + 0.75f; + + black = tvsetup.black_level[k]; + if (trigger_bits != 0) + black -= tvsetup.hamp_offset[k]; + + white = tvsetup.white_level[k]; + if (trigger_bits != 0) + white -= tvsetup.hamp_offset[k]; + + black = (int)((float)(black + brightness_off) * contrast_mult); + white = (int)((float)(white + brightness_off) * contrast_mult); + if (black < min_black_level) + black = min_black_level; + if (white > max_white_level) + white = max_white_level; + + w = w10bit2z((unsigned short)black); + houston_WriteReg(ENC_BLACK_LEVEL, w & 0x00ff, 1); + houston_WriteReg(ENC_BLACK_LEVEL + 1, w >> 8, 1); + w = w10bit2z((unsigned short)white); + houston_WriteReg(ENC_WHITE_LEVEL, w & 0x00ff, 1); + houston_WriteReg(ENC_WHITE_LEVEL + 1, w >> 8, 1); +} + +static void +conget_brightness_contrast(unsigned long tv_std, unsigned int trigger_bits, + int *p_brightness, int *p_contrast) +{ + int brightness_off; + float contrast_mult; + unsigned short black, white; + unsigned long zh, zl; + int k; + + if (!p_brightness || !p_contrast) + return; + + k = map_tvstd_to_index(tv_std); + + houston_ReadReg(ENC_BLACK_LEVEL, &zl, 1); + houston_ReadReg(ENC_BLACK_LEVEL + 1, &zh, 1); + black = z2w10bit((unsigned short)(zl + (zh << 8))); + if (trigger_bits != 0) + black += tvsetup.hamp_offset[k]; + houston_ReadReg(ENC_WHITE_LEVEL, &zl, 1); + houston_ReadReg(ENC_WHITE_LEVEL + 1, &zh, 1); + white = z2w10bit((unsigned short)(zl + (zh << 8))); + if (trigger_bits != 0) + white += tvsetup.hamp_offset[k]; + + /*this reverse computation does not account for clipping, but should */ + /*provide somewhat reasonable numbers */ + contrast_mult = + ((float)white - (float)black) / ((float)tvsetup.white_level[k] - + (float)tvsetup.black_level[k]); + brightness_off = + (int)(((float)black / contrast_mult) - tvsetup.black_level[k]); + + /*+/-220 maps to 0-100. */ + *p_brightness = + range_limit((int)(0.5f + ((float)(brightness_off + + 220) * 100.0f / 440.0f)), 0, 100); + + /*.75-1.25 maps to 0-100. */ + *p_contrast = + range_limit((int)(0.5f + ((float)(contrast_mult - + 0.75f) * 100.0f / 0.5f)), 0, 100); +} + +/*==========================================================================*/ +/* configure luma/chroma filters. */ +/*==========================================================================*/ + +static void +config_yc_filter(unsigned long tv_std, int luma_filter, int chroma_filter) +{ + unsigned long reg, reg07, reg34; + + if (houston_Rev() < HOUSTON_REV_B) + return; + + /*luma filter. */ + if (luma_filter) + reg = tvsetup.notch_filter[map_tvstd_to_index(tv_std)]; + else + reg = 0; + houston_WriteReg(ENC_NOTCH_FILTER, reg, 1); + + /*chroma filter. */ + houston_ReadReg(ENC_REG07, ®07, 1); + houston_ReadReg(ENC_REG34, ®34, 1); + if (chroma_filter) { + reg07 &= ~0x08; + reg34 &= ~0x20; + } else { + reg07 |= 0x08; + reg34 |= 0x20; + } + houston_WriteReg(ENC_REG07, reg07, 1); + houston_WriteReg(ENC_REG34, reg34, 1); +} + +static void +conget_yc_filter(int *p_luma_filter, int *p_chroma_filter) +{ + unsigned long reg, reg07, reg34; + + if (!p_luma_filter || !p_chroma_filter) + return; + + if (houston_Rev() < HOUSTON_REV_B) { + *p_luma_filter = 0; + *p_chroma_filter = 0; + return; + } + + /*luma filter. */ + houston_ReadReg(ENC_NOTCH_FILTER, ®, 1); + *p_luma_filter = (reg ? 1 : 0); + + /*chroma filter. */ + houston_ReadReg(ENC_REG07, ®07, 1); + houston_ReadReg(ENC_REG34, ®34, 1); + *p_chroma_filter = !((0x08 & reg07) || (0x20 & reg34)); +} + +/*==========================================================================*/ +/* Macrovision */ +/*==========================================================================*/ + +static void +config_macrovision(unsigned long tv_std, unsigned int trigger_bits) +{ +/*Constants to index into mvsetup columns.*/ +#define nNTSC_APS00 0 /*ntsc mv off. */ +#define nNTSC_APS01 1 /*ntsc AGC only. */ +#define nNTSC_APS10 2 /*ntsc AGC + 2-line CS. */ +#define nNTSC_APS11 3 /*ntsc AGC + 4-line CS. */ +#define nPAL_APS00 4 /*pal mv off. */ +#define nPAL_APSXX 5 /*pal mv on. */ +#define nMVModes 6 + + /*Macrovision setup table. */ + static const struct mvparms + { + unsigned short n0[nMVModes]; + unsigned short n1[nMVModes]; + unsigned short n2[nMVModes]; + unsigned short n3[nMVModes]; + unsigned short n4[nMVModes]; + unsigned short n5[nMVModes]; + unsigned short n6[nMVModes]; + unsigned short n7[nMVModes]; + unsigned short n8[nMVModes]; + unsigned short n9[nMVModes]; + unsigned short n10[nMVModes]; + unsigned short n11[nMVModes]; + unsigned short n12[nMVModes]; + unsigned short n13[nMVModes]; + unsigned short n14[nMVModes]; + unsigned short n15[nMVModes]; + unsigned short n16[nMVModes]; + unsigned short n17[nMVModes]; + unsigned short n18[nMVModes]; + unsigned short n19[nMVModes]; + unsigned short n20[nMVModes]; + unsigned short n21[nMVModes]; + unsigned short n22[nMVModes]; + unsigned short agc_pulse_level[nMVModes]; + unsigned short bp_pulse_level[nMVModes]; + } + + mvsetup = { + /* ntsc ntsc ntsc ntsc pal pal */ + /* MV AGC AGC + AGC + MV MV */ + /* off. only 2-line 4-line off. on. */ + /* CS. CS. */ + { + 0x00, 0x36, 0x3e, 0x3e, 0x00, 0x3e}, /*n0 */ + { + 0x1d, 0x1d, 0x1d, 0x17, 0x1a, 0x1a}, /*n1 */ + { + 0x11, 0x11, 0x11, 0x15, 0x22, 0x22}, /*n2 */ + { + 0x25, 0x25, 0x25, 0x21, 0x2a, 0x2a}, /*n3 */ + { + 0x11, 0x11, 0x11, 0x15, 0x22, 0x22}, /*n4 */ + { + 0x01, 0x01, 0x01, 0x05, 0x05, 0x05}, /*n5 */ + { + 0x07, 0x07, 0x07, 0x05, 0x02, 0x02}, /*n6 */ + { + 0x00, 0x00, 0x00, 0x02, 0x00, 0x00}, /*n7 */ + { + 0x1b, 0x1b, 0x1b, 0x1b, 0x1c, 0x1c}, /*n8 */ + { + 0x1b, 0x1b, 0x1b, 0x1b, 0x3d, 0x3d}, /*n9 */ + { + 0x24, 0x24, 0x24, 0x24, 0x14, 0x14}, /*n10 */ + { + 0x780f, 0x780f, 0x780f, 0x780f, 0x7e07, 0x7e07}, /*n11 */ + { + 0x0000, 0x0000, 0x0000, 0x0000, 0x5402, 0x5402}, /*n12 */ + { + 0x0f, 0x0f, 0x0f, 0x0f, 0xfe, 0xfe}, /*n13 */ + { + 0x0f, 0x0f, 0x0f, 0x0f, 0x7e, 0x7e}, /*n14 */ + { + 0x60, 0x60, 0x60, 0x60, 0x60, 0x60}, /*n15 */ + { + 0x01, 0x01, 0x01, 0x01, 0x00, 0x00}, /*n16 */ + { + 0x0a, 0x0a, 0x0a, 0x0a, 0x08, 0x08}, /*n17 */ + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /*n18 */ + { + 0x05, 0x05, 0x05, 0x05, 0x04, 0x04}, /*n19 */ + { + 0x04, 0x04, 0x04, 0x04, 0x07, 0x07}, /*n20 */ + { + 0x03ff, 0x03ff, 0x03ff, 0x03ff, 0x0155, 0x0155}, /*n21 */ + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /*n22 */ + { + 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3}, /*agc_pulse_level */ + { + 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8}, /*bp_pulse_level */ + }; + + int nMode; + unsigned long misc; + unsigned short n0; + + trigger_bits &= 0x3; + + /*Determine the OEM Macrovision Program Mode and Register 0 Data. */ + if (IS_NTSC(tv_std)) { + /*NTSC TV Standard. */ + if (trigger_bits == 0) { + /*turn Macrovision OFF. */ + nMode = nNTSC_APS00; + } else if (trigger_bits == 1) { + /*AGC Only. */ + nMode = nNTSC_APS01; + } else if (trigger_bits == 2) { + /*AGC + 2-line CS. */ + nMode = nNTSC_APS10; + } else { + /*AGC + 4-line CS. */ + nMode = nNTSC_APS11; + } + } else { + /*PAL TV Standard. */ + if (trigger_bits == 0) { + /*turn Macrovision OFF. */ + nMode = nPAL_APS00; + } else { + /*APS 01, 10, or 11. */ + nMode = nPAL_APSXX; + } + } + + /*Retrieve the Macrovision Program Mode Data */ + if (tv_std != GFX_TV_STANDARD_PAL_M) + n0 = mvsetup.n0[nMode]; + else { + /*PAL-M sets up like NTSC except for n0. */ + if ((trigger_bits & 0x03) == 0) + n0 = mvsetup.n0[nPAL_APS00]; + else + n0 = mvsetup.n0[nPAL_APSXX]; + } + + /*download settings now. */ + houston_WriteReg(MV_N0, n0, 1); + houston_WriteReg(MV_N1, mvsetup.n1[nMode], 1); + houston_WriteReg(MV_N2, mvsetup.n2[nMode], 1); + houston_WriteReg(MV_N3, mvsetup.n3[nMode], 1); + houston_WriteReg(MV_N4, mvsetup.n4[nMode], 1); + houston_WriteReg(MV_N5, mvsetup.n5[nMode], 1); + houston_WriteReg(MV_N6, mvsetup.n6[nMode], 1); + houston_WriteReg(MV_N7, mvsetup.n7[nMode], 1); + houston_WriteReg(MV_N8, mvsetup.n8[nMode], 1); + houston_WriteReg(MV_N9, mvsetup.n9[nMode], 1); + houston_WriteReg(MV_N10, mvsetup.n10[nMode], 1); + houston_WriteReg(MV_N11, mvsetup.n11[nMode] & 0xff, 1); + houston_WriteReg(MV_N11 + 1, mvsetup.n11[nMode] >> 8, 1); + houston_WriteReg(MV_N12, mvsetup.n12[nMode] & 0xff, 1); + houston_WriteReg(MV_N12 + 1, mvsetup.n12[nMode] >> 8, 1); + houston_WriteReg(MV_N13, mvsetup.n13[nMode], 1); + houston_WriteReg(MV_N14, mvsetup.n14[nMode], 1); + houston_WriteReg(MV_N15, mvsetup.n15[nMode], 1); + houston_WriteReg(MV_N16, mvsetup.n16[nMode], 1); + houston_WriteReg(MV_N17, mvsetup.n17[nMode], 1); + houston_WriteReg(MV_N18, mvsetup.n18[nMode], 1); + houston_WriteReg(MV_N19, mvsetup.n19[nMode], 1); + houston_WriteReg(MV_N20, mvsetup.n20[nMode], 1); + houston_WriteReg(MV_N21, mvsetup.n21[nMode] & 0xff, 1); + houston_WriteReg(MV_N21 + 1, mvsetup.n21[nMode] >> 8, 1); + houston_WriteReg(MV_N22, mvsetup.n22[nMode], 1); + houston_WriteReg(MV_AGC_PULSE_LEVEL, mvsetup.agc_pulse_level[nMode], 1); + houston_WriteReg(MV_BP_PULSE_LEVEL, mvsetup.bp_pulse_level[nMode], 1); + + houston_ReadReg(HOUSTON_MISC, &misc, 2); + if (trigger_bits == 0) + misc &= ~MISC_MV_SOFT_EN; + else + misc |= MISC_MV_SOFT_EN; + houston_WriteReg(HOUSTON_MISC, misc, 2); +} + +static void +conget_macrovision(unsigned long tv_std, unsigned int *p_cp_trigger_bits) +{ + unsigned long n0, n1; + + if (!p_cp_trigger_bits) + return; + + houston_ReadReg(MV_N0, &n0, 1); + houston_ReadReg(MV_N1, &n1, 1); + + *p_cp_trigger_bits = 0; + + if (IS_NTSC(tv_std)) { + switch (n0) { + case 0: + *p_cp_trigger_bits = 0; + break; + + case 0x36: + *p_cp_trigger_bits = 1; + break; + + case 0x3E: + { + if (0x1D == n1) + *p_cp_trigger_bits = 2; + else + *p_cp_trigger_bits = 3; + } + break; + } + } else if (IS_PAL(tv_std)) { + if (0 == n0) + *p_cp_trigger_bits = 0; + else { + /*don't know here what the non-zero trigger bits were */ + *p_cp_trigger_bits = 1; + } + } +} + +/* PLAL_MediaGX.cpp */ +/*==========================================================================*/ +/* These functions provides implementation of platform-specific functions */ +/* MediaGX platform. */ +/*==========================================================================*/ + +/*MediaGX control registers.*/ +#define CCR3 0xC3 +#define GCR 0xb8 + +/*Media GX general config register.*/ +#define GX_DCLK_MUL 0x00c0 +#define GX_DCLKx1 0x0040 +#define GX_DCLKx2 0x0080 +#define GX_DCLKx4 0x00c0 + +/*Media GX timing config register.*/ +#define GX_TGEN 0x0020 + +/*Cx5530 register offsets (from GX_BASE).*/ +#define CX_DISPLAY_CONFIG 0x10004 +#define CX_DOT_CLK 0x10024 +#define CX_TV_CONFIG 0x10028 + +/*Cx5530 display configuration register.*/ +#define CX_FPVSYNC_POL 0x0800 +#define CX_FPHSYNC_POL 0x0400 +#define CX_FPDATA_ENB 0x0080 +#define CX_FPPOWER_ENB 0x0040 +#define CX_CRTVSYNC_POL 0x0200 +#define CX_CRTHSYNC_POL 0x0100 + +/*Cx5530 dot clock configuration register.*/ +#define CX_TVCLK_SELECT 0x0400 + +/*Cx5530 tv configuration register*/ +#define CX_INVERT_FPCLK (1 << 6) + +/*========================================================================== + * FS450 I2C Address + * There are two possible 7-bit addresses, 0x4A and 0x6A. + * The address if selectable via pins on the FS450. + * There are also two possible 10-bit addresses, 0x224 and 0x276, but this + * source is not designed to use them. + *==========================================================================*/ + +#define FS450_I2C_ADDRESS (0x4A) + +static unsigned char +PLAL_FS450_i2c_address(void) +{ + return FS450_I2C_ADDRESS; +} + +/*========================================================================== + * FS450 UIM mode + * This mode is programmed in the FS450 command register when enabling TV + * out. + *========================================================================== + */ +static int +PLAL_FS450_UIM_mode(void) +{ + return 3; +} + +/*==========================================================================*/ +/* Read and Write MediaGX registers */ +/*==========================================================================*/ +static unsigned long +ReadGx(unsigned long inRegAddr) +{ + unsigned long data; + + DMAL_ReadUInt32(inRegAddr, &data); + + return data; +} + +static void +WriteGx(unsigned long inRegAddr, unsigned long inData) +{ + int is_timing_register; + unsigned long reg_timing_cfg; + + /*because the unlock register for the MediaGx video registers may not */ + /*persist, we will write the unlock code before every write. */ + DMAL_WriteUInt32(DC_UNLOCK, 0x4758); + + /*see if register is a timing register */ + is_timing_register = + (DC_H_TIMING_1 == inRegAddr) || + (DC_H_TIMING_2 == inRegAddr) || + (DC_H_TIMING_3 == inRegAddr) || + (DC_FP_H_TIMING == inRegAddr) || + (DC_V_TIMING_1 == inRegAddr) || + (DC_V_TIMING_2 == inRegAddr) || + (DC_V_TIMING_3 == inRegAddr) || (DC_FP_V_TIMING == inRegAddr); + + /*if the register is a timing register, clear the TGEN bit to allow + * modification */ + if (is_timing_register) { + DMAL_ReadUInt32(DC_TIMING_CFG, ®_timing_cfg); + DMAL_WriteUInt32(DC_TIMING_CFG, reg_timing_cfg & ~GX_TGEN); + } + + /*write the requested register */ + DMAL_WriteUInt32(inRegAddr, inData); + + /*reset the TGEN bit to previous state */ + if (is_timing_register) { + DMAL_WriteUInt32(DC_TIMING_CFG, reg_timing_cfg); + } +} + +#ifdef FS450_DIRECTREG + +/*==========================================================================*/ +/* Platform-specific processing for a Read or Write Register calls. */ +/* The functions should return true if the specified register belongs to */ +/* this platform. */ +/*==========================================================================*/ + +static int +PLAL_ReadRegister(S_REG_INFO * p_reg) +{ + if (!p_reg) + return 0; + + if (SOURCE_GCC == p_reg->source) { + p_reg->value = ReadGx(p_reg->offset); + + return 1; + } + + return 0; +} + +static int +PLAL_WriteRegister(const S_REG_INFO * p_reg) +{ + if (!p_reg) + return 0; + + if (SOURCE_GCC == p_reg->source) { + WriteGx(p_reg->offset, p_reg->value); + + return 1; + } + + return 0; +} + +#endif + +/*========================================================================== + * Determine if TV is on + *==========================================================================*/ +static int +PLAL_IsTVOn(void) +{ + unsigned long reg; + + /*check Cx5530 dot clock */ + reg = ReadGx(CX_DOT_CLK); + return (reg & CX_TVCLK_SELECT) ? 1 : 0; +} + +/*========================================================================== + * Platform-specific actions to reset to VGA mode + *==========================================================================*/ + +static int +PLAL_EnableVga(void) +{ + unsigned long reg; + + /*2 x dclk */ + reg = ReadGx(DC_GENERAL_CFG); + reg &= ~GX_DCLK_MUL; + reg |= GX_DCLKx2; + WriteGx(DC_GENERAL_CFG, reg); + + /*select pll dot clock. */ + reg = ReadGx(CX_DOT_CLK); + reg &= ~CX_TVCLK_SELECT; + WriteGx(CX_DOT_CLK, reg); + + /*timing config, reset everything on dclk. */ + reg = ReadGx(DC_TIMING_CFG); + reg &= ~GX_TGEN; + WriteGx(DC_TIMING_CFG, reg); + reg |= GX_TGEN; + WriteGx(DC_TIMING_CFG, reg); + + /*un-invert FP clock */ + reg = ReadGx(CX_TV_CONFIG); + reg &= ~CX_INVERT_FPCLK; + WriteGx(CX_TV_CONFIG, reg); + + return 0; +} + +/*==========================================================================*/ +/*Platform-specific actions to enter TVout mode */ +/*==========================================================================*/ + +static int +PLAL_PrepForTVout(void) +{ + unsigned int reg; + + /*Cx5530 tv config. */ + reg = 0; + WriteGx(CX_TV_CONFIG, reg); + + /*invert FP clock */ + reg = (int)ReadGx(CX_TV_CONFIG); + reg |= CX_INVERT_FPCLK; + WriteGx(CX_TV_CONFIG, reg); + + return 0; +} + +static int +PLAL_SetTVTimingRegisters(const S_TIMING_SPECS * p_specs) +{ + unsigned long reg; + + /*timing config, reset everything on dclk. */ + reg = ReadGx(DC_TIMING_CFG); + reg &= ~GX_TGEN; + WriteGx(DC_TIMING_CFG, reg); + + /*htotal and hactive. */ + reg = ((p_specs->h_total - 1) << 16) | (p_specs->vga_width - 1); + WriteGx(DC_H_TIMING_1, reg); + + /*hblank. */ + reg = ((p_specs->h_total - 1) << 16) | (p_specs->vga_width - 1); + WriteGx(DC_H_TIMING_2, reg); + + /*hsync. */ + reg = ((p_specs->h_sync + 63) << 16) | p_specs->h_sync; + WriteGx(DC_H_TIMING_3, reg); + + /*fp hsync. */ + WriteGx(DC_FP_H_TIMING, reg); + + /*vtotal and vactive. */ + reg = ((p_specs->v_total - 1) << 16) | (p_specs->vga_lines - 1); + WriteGx(DC_V_TIMING_1, reg); + + /*vblank. */ + reg = ((p_specs->v_total - 1) << 16) | (p_specs->vga_lines - 1); + WriteGx(DC_V_TIMING_2, reg); + + /*vsync. */ + reg = ((p_specs->v_sync) << 16) | (p_specs->v_sync - 1); + WriteGx(DC_V_TIMING_3, reg); + + /*fp vsync. */ + reg = ((p_specs->v_sync - 1) << 16) | (p_specs->v_sync - 2); + WriteGx(DC_FP_V_TIMING, reg); + + /*timing config, reenable all dclk stuff. */ + reg = ReadGx(DC_TIMING_CFG); + reg |= GX_TGEN; + WriteGx(DC_TIMING_CFG, reg); + + return 0; +} + +static int +PLAL_FinalEnableTVout(unsigned long vga_mode) +{ + unsigned int reg; + + /*Cx5530 select tv dot clock. */ + reg = (int)ReadGx(CX_DOT_CLK); + reg |= CX_TVCLK_SELECT; + WriteGx(CX_DOT_CLK, reg); + + /*2 x dclk (actually 1x) */ + reg = (int)ReadGx(DC_GENERAL_CFG); + reg &= ~GX_DCLK_MUL; + WriteGx(DC_GENERAL_CFG, reg); + + reg |= GX_DCLKx2; + WriteGx(DC_GENERAL_CFG, reg); + + /*Cx5530 display configuration register. */ + reg = (int)ReadGx(CX_DISPLAY_CONFIG); + reg |= (CX_FPVSYNC_POL | CX_FPHSYNC_POL | CX_FPDATA_ENB | CX_FPPOWER_ENB); + WriteGx(CX_DISPLAY_CONFIG, reg); + + return 0; +} |