diff options
Diffstat (limited to 'cpu/mpc8xx/video.c')
-rw-r--r-- | cpu/mpc8xx/video.c | 133 |
1 files changed, 104 insertions, 29 deletions
diff --git a/cpu/mpc8xx/video.c b/cpu/mpc8xx/video.c index 40e65d30bd..1887cfe8ab 100644 --- a/cpu/mpc8xx/video.c +++ b/cpu/mpc8xx/video.c @@ -23,7 +23,7 @@ * MA 02111-1307 USA */ -/* #define DEBUG */ +/* #define DEBUG */ /************************************************************************/ /* ** HEADER FILES */ @@ -86,6 +86,14 @@ #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7177_ADDR #endif +#ifdef CONFIG_VIDEO_ENCODER_AD7179 + +#include <video_ad7179.h> /* Sets encoder data, mode, and visible and active area */ + +#define VIDEO_I2C 1 +#define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7179_ADDR +#endif + /************************************************************************/ /* ** VIDEO MODE CONSTANTS */ /************************************************************************/ @@ -155,7 +163,7 @@ /* ** CONSOLE CONSTANTS */ /************************************************************************/ -#ifdef CONFIG_VIDEO_LOGO +#ifdef CONFIG_VIDEO_LOGO #define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT) #define VIDEO_LOGO_SKIP (VIDEO_COLS - VIDEO_LOGO_WIDTH) #else @@ -163,11 +171,11 @@ #endif #define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH) -#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN) +#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN) #define CONSOLE_ROW_FIRST (video_console_address) -#define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE) +#define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE) #define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE) -#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS) +#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS) #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE) /* @@ -287,8 +295,8 @@ static int video_maprgb (int r, int g, int b) /* Calculate YUV values (0-255) from RGB beetween 0-100 */ YUYV.Y1 = YUYV.Y2 = 209 * (pR + pG + pB) / 300 + 16; - YUYV.U = pR - (pG * 3 / 4) - (pB / 4) + 128; - YUYV.V = pB - (pR / 4) - (pG * 3 / 4) + 128; + YUYV.U = pR - (pG * 3 / 4) - (pB / 4) + 128; + YUYV.V = pB - (pR / 4) - (pG * 3 / 4) + 128; return *ret; #endif #ifdef VIDEO_MODE_RGB @@ -473,6 +481,7 @@ static inline void video_putstring (int xx, int yy, unsigned char *s) /* ** VIDEO CONTROLLER LOW-LEVEL FUNCTIONS */ /************************************************************************/ +#if !defined(CONFIG_RRVISION) static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries) { int i; @@ -485,6 +494,7 @@ static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries) dest[0].lcyc++; /* Add a cycle to the first entry */ dest[entries - 1].lst = 1; /* Set end of ram entries */ } +#endif static void inline video_mode_addentry (VRAM * vr, int Hx, int Vx, int Fx, int Bx, @@ -501,7 +511,7 @@ static void inline video_mode_addentry (VRAM * vr, vr->lst = LST; } -#define ADDENTRY(a,b,c,d,e,f,g,h,i) video_mode_addentry(&vr[entry++],a,b,c,d,e,f,g,h,i) +#define ADDENTRY(a,b,c,d,e,f,g,h,i) video_mode_addentry(&vr[entry++],a,b,c,d,e,f,g,h,i) static int video_mode_generate (void) { @@ -539,9 +549,12 @@ static int video_mode_generate (void) Y1 = video_panning_value_y & 0xfffe; Y2 = DY - Y1; + debug("X1=%d, X2=%d, Y1=%d, Y2=%d, DX=%d, DY=%d VIDEO_COLS=%d \n", + X1, X2, Y1, Y2, DX, DY, VIDEO_COLS); + #ifdef VIDEO_MODE_NTSC /* - * Hx Vx Fx Bx VDS INT LCYC LP LST + * Hx Vx Fx Bx VDS INT LCYC LP LST * * Retrace blanking */ @@ -641,6 +654,73 @@ static int video_mode_generate (void) #endif #ifdef VIDEO_MODE_PAL + +#if defined(CONFIG_RRVISION) + +#define HPW 160 /* horizontal pulse width (was 139) */ +#define VPW 2 /* vertical pulse width */ +#define HBP 104 /* horizontal back porch (was 112) */ +#define VBP 19 /* vertical back porch (was 19) */ +#define VID_R 240 /* number of rows */ + + debug ("[VIDEO CTRL] Starting to add controller entries..."); +/* + * Even field + */ + ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); + ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); + ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); + + ADDENTRY (0, 0, 0, 3, 1, 0, VPW, 1, 0); + ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); + + ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0); + ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); +/* + * Active area + */ + ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); + ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); + ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); + + ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); + ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); +/* + * Odd field + */ + ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); + ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); + ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); + + ADDENTRY (0, 0, 0, 3, 1, 0, VPW+1, 1, 0); + ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); + + ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0); + ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); +/* + * Active area + */ + ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); + ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); + ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); + + ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); + ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); + ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); + + debug ("done\n"); + +#else /* !CONFIG_RRVISION */ + /* * Hx Vx Fx Bx VDS INT LCYC LP LST * @@ -692,7 +772,9 @@ static int video_mode_generate (void) * one more cycle loop and a last identifier) */ video_mode_dupefield (vr, &vr[entry], entry); -#endif +#endif /* CONFIG_RRVISION */ + +#endif /* VIDEO_MODE_PAL */ /* See what FIFO are we using */ fifo = GETBIT (immap->im_vid.vid_vsr, VIDEO_VSR_CAS); @@ -829,26 +911,19 @@ static void video_ctrl_init (void *memptr) debug ("[VIDEO CTRL] Turning on video port led...\n"); SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 0); #endif - #ifdef CONFIG_RRVISION - /* enable clock: set PD3 to VCLK, PC5 to HIGH */ - { - volatile immap_t *immr = (immap_t *) CFG_IMMR; - - debug ("PDPAR=%04X PDDIR=%04X PDDAT=%04X\n", - immr->im_ioport.iop_pdpar, - immr->im_ioport.iop_pddir, - immr->im_ioport.iop_pddat); - - debug ("[RRvision] PC5 -> Output (1): "); - immr->im_ioport.iop_pcpar &= ~(0x0400); - immr->im_ioport.iop_pcdir |= 0x0400 ; - immr->im_ioport.iop_pcdat |= 0x0400 ; - debug ("PCPAR=%04X PCDIR=%04X PCDAT=%04X\n", - immr->im_ioport.iop_pcpar, - immr->im_ioport.iop_pcdir, - immr->im_ioport.iop_pcdat); - } + debug ("PC5->Output(1): enable PAL clock"); + immap->im_ioport.iop_pcpar &= ~(0x0400); + immap->im_ioport.iop_pcdir |= 0x0400 ; + immap->im_ioport.iop_pcdat |= 0x0400 ; + debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n", + immap->im_ioport.iop_pdpar, + immap->im_ioport.iop_pddir, + immap->im_ioport.iop_pddat); + debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n", + immap->im_ioport.iop_pcpar, + immap->im_ioport.iop_pcdir, + immap->im_ioport.iop_pcdat); #endif /* CONFIG_RRVISION */ /* Blanking the screen. */ |