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/*
* Frame buffer driver for ADV7393/2 video encoder
*
* Copyright 2006-2009 Analog Devices Inc.
* Licensed under the GPL-2 or late.
*/
#ifndef __BFIN_ADV7393FB_H__
#define __BFIN_ADV7393FB_H__
#define BFIN_LCD_NBR_PALETTE_ENTRIES 256
#ifdef CONFIG_NTSC
# define VMODE 0
#endif
#ifdef CONFIG_PAL
# define VMODE 1
#endif
#ifdef CONFIG_NTSC_640x480
# define VMODE 2
#endif
#ifdef CONFIG_PAL_640x480
# define VMODE 3
#endif
#ifdef CONFIG_NTSC_YCBCR
# define VMODE 4
#endif
#ifdef CONFIG_PAL_YCBCR
# define VMODE 5
#endif
#ifndef VMODE
# define VMODE 1
#endif
#ifdef CONFIG_ADV7393_2XMEM
# define VMEM 2
#else
# define VMEM 1
#endif
#if defined(CONFIG_BF537) || defined(CONFIG_BF536) || defined(CONFIG_BF534)
# define DMA_CFG_VAL 0x7935 /* Set Sync Bit */
# define VB_DUMMY_MEMORY_SOURCE L1_DATA_B_START
#else
# define DMA_CFG_VAL 0x7915
# define VB_DUMMY_MEMORY_SOURCE BOOT_ROM_START
#endif
enum {
DESTRUCT,
BUILD,
};
enum {
POWER_ON,
POWER_DOWN,
BLANK_ON,
BLANK_OFF,
};
#define DRIVER_NAME "bfin-adv7393"
struct adv7393fb_modes {
const s8 name[25]; /* Full name */
u16 xres; /* Active Horizonzal Pixels */
u16 yres; /* Active Vertical Pixels */
u16 bpp;
u16 vmode;
u16 a_lines; /* Active Lines per Field */
u16 vb1_lines; /* Vertical Blanking Field 1 Lines */
u16 vb2_lines; /* Vertical Blanking Field 2 Lines */
u16 tot_lines; /* Total Lines per Frame */
u16 boeft_blank; /* Before Odd/Even Field Transition No. of Blank Pixels */
u16 aoeft_blank; /* After Odd/Even Field Transition No. of Blank Pixels */
const s8 *adv7393_i2c_initd;
u16 adv7393_i2c_initd_len;
};
static const u8 init_NTSC_TESTPATTERN[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x10, /* SSAF Luma Filter Enabled, NTSC Mode */
0x82, 0xCB, /* Step control on, pixel data valid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x84, 0x40, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
};
static const u8 init_NTSC[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0xC3, 0x26, /* Program RGB->YCrCb Color Space conversion matrix */
0xC5, 0x12, /* Program RGB->YCrCb Color Space conversion matrix */
0xC2, 0x4A, /* Program RGB->YCrCb Color Space conversion matrix */
0xC6, 0x5E, /* Program RGB->YCrCb Color Space conversion matrix */
0xBD, 0x19, /* Program RGB->YCrCb Color Space conversion matrix */
0xBF, 0x42, /* Program RGB->YCrCb Color Space conversion matrix */
0x8C, 0x1F, /* NTSC Subcarrier Frequency */
0x8D, 0x7C, /* NTSC Subcarrier Frequency */
0x8E, 0xF0, /* NTSC Subcarrier Frequency */
0x8F, 0x21, /* NTSC Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x20,
0x8A, 0x0d,
};
static const u8 init_PAL[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0xC3, 0x26, /* Program RGB->YCrCb Color Space conversion matrix */
0xC5, 0x12, /* Program RGB->YCrCb Color Space conversion matrix */
0xC2, 0x4A, /* Program RGB->YCrCb Color Space conversion matrix */
0xC6, 0x5E, /* Program RGB->YCrCb Color Space conversion matrix */
0xBD, 0x19, /* Program RGB->YCrCb Color Space conversion matrix */
0xBF, 0x42, /* Program RGB->YCrCb Color Space conversion matrix */
0x8C, 0xCB, /* PAL Subcarrier Frequency */
0x8D, 0x8A, /* PAL Subcarrier Frequency */
0x8E, 0x09, /* PAL Subcarrier Frequency */
0x8F, 0x2A, /* PAL Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x20,
0x8A, 0x0d,
};
static const u8 init_NTSC_YCbCr[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0x8C, 0x1F, /* NTSC Subcarrier Frequency */
0x8D, 0x7C, /* NTSC Subcarrier Frequency */
0x8E, 0xF0, /* NTSC Subcarrier Frequency */
0x8F, 0x21, /* NTSC Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x08,
0x8A, 0x0d,
};
static const u8 init_PAL_YCbCr[] = {
0x00, 0x1E, /* Power up all DACs and PLL */
0x8C, 0xCB, /* PAL Subcarrier Frequency */
0x8D, 0x8A, /* PAL Subcarrier Frequency */
0x8E, 0x09, /* PAL Subcarrier Frequency */
0x8F, 0x2A, /* PAL Subcarrier Frequency */
0x01, 0x00, /* SD-Only Mode */
0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
0x86, 0x82,
0x8B, 0x11,
0x88, 0x08,
0x8A, 0x0d,
};
static struct adv7393fb_modes known_modes[] = {
/* NTSC 720x480 CRT */
{
.name = "NTSC 720x480",
.xres = 720,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 240,
.vb1_lines = 22,
.vb2_lines = 23,
.tot_lines = 525,
.boeft_blank = 16,
.aoeft_blank = 122,
.adv7393_i2c_initd = init_NTSC,
.adv7393_i2c_initd_len = sizeof(init_NTSC)
},
/* PAL 720x480 CRT */
{
.name = "PAL 720x576",
.xres = 720,
.yres = 576,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 288,
.vb1_lines = 24,
.vb2_lines = 25,
.tot_lines = 625,
.boeft_blank = 12,
.aoeft_blank = 132,
.adv7393_i2c_initd = init_PAL,
.adv7393_i2c_initd_len = sizeof(init_PAL)
},
/* NTSC 640x480 CRT Experimental */
{
.name = "NTSC 640x480",
.xres = 640,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 240,
.vb1_lines = 22,
.vb2_lines = 23,
.tot_lines = 525,
.boeft_blank = 16 + 40,
.aoeft_blank = 122 + 40,
.adv7393_i2c_initd = init_NTSC,
.adv7393_i2c_initd_len = sizeof(init_NTSC)
},
/* PAL 640x480 CRT Experimental */
{
.name = "PAL 640x480",
.xres = 640,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 288 - 20,
.vb1_lines = 24 + 20,
.vb2_lines = 25 + 20,
.tot_lines = 625,
.boeft_blank = 12 + 40,
.aoeft_blank = 132 + 40,
.adv7393_i2c_initd = init_PAL,
.adv7393_i2c_initd_len = sizeof(init_PAL)
},
/* NTSC 720x480 YCbCR */
{
.name = "NTSC 720x480 YCbCR",
.xres = 720,
.yres = 480,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 240,
.vb1_lines = 22,
.vb2_lines = 23,
.tot_lines = 525,
.boeft_blank = 16,
.aoeft_blank = 122,
.adv7393_i2c_initd = init_NTSC_YCbCr,
.adv7393_i2c_initd_len = sizeof(init_NTSC_YCbCr)
},
/* PAL 720x480 CRT */
{
.name = "PAL 720x576 YCbCR",
.xres = 720,
.yres = 576,
.bpp = 16,
.vmode = FB_VMODE_INTERLACED,
.a_lines = 288,
.vb1_lines = 24,
.vb2_lines = 25,
.tot_lines = 625,
.boeft_blank = 12,
.aoeft_blank = 132,
.adv7393_i2c_initd = init_PAL_YCbCr,
.adv7393_i2c_initd_len = sizeof(init_PAL_YCbCr)
}
};
struct adv7393fb_regs {
};
struct adv7393fb_device {
struct fb_info info; /* FB driver info record */
struct i2c_client *client;
struct dmasg *descriptor_list_head;
struct dmasg *vb1;
struct dmasg *av1;
struct dmasg *vb2;
struct dmasg *av2;
dma_addr_t dma_handle;
struct fb_info bfin_adv7393_fb;
struct adv7393fb_modes *modes;
struct adv7393fb_regs *regs; /* Registers memory map */
size_t regs_len;
size_t fb_len;
size_t line_len;
u16 open;
u16 *fb_mem; /* RGB Buffer */
};
#define to_adv7393fb_device(_info) \
(_info ? container_of(_info, struct adv7393fb_device, info) : NULL);
static int bfin_adv7393_fb_open(struct fb_info *info, int user);
static int bfin_adv7393_fb_release(struct fb_info *info, int user);
static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info);
static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info);
static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
static void bfin_config_ppi(struct adv7393fb_device *fbdev);
static int bfin_config_dma(struct adv7393fb_device *fbdev);
static void bfin_disable_dma(void);
static void bfin_enable_ppi(void);
static void bfin_disable_ppi(void);
static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
static inline int adv7393_read(struct i2c_client *client, u8 reg);
static int adv7393_write_block(struct i2c_client *client, const u8 *data,
unsigned int len);
int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
u_int, struct fb_info *info);
#endif
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