fbdev: bfin_adv7393fb: new Blackfin ADV7393 driver
Driver for ADV7393 add-on card for multiple Blackfin boards.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/video/bfin_adv7393fb.h b/drivers/video/bfin_adv7393fb.h
new file mode 100644
index 0000000..8c7f9e4
--- /dev/null
+++ b/drivers/video/bfin_adv7393fb.h
@@ -0,0 +1,321 @@
+/*
+ * 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 convertion matrix */
+ 0xC5, 0x12, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xC2, 0x4A, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xC6, 0x5E, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xBD, 0x19, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xBF, 0x42, /* Program RGB->YCrCb Color Space convertion 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 convertion matrix */
+ 0xC5, 0x12, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xC2, 0x4A, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xC6, 0x5E, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xBD, 0x19, /* Program RGB->YCrCb Color Space convertion matrix */
+ 0xBF, 0x42, /* Program RGB->YCrCb Color Space convertion 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