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authorMichael Hennerich <michael.hennerich@analog.com>2010-11-24 04:33:59 -0500
committerPaul Mundt <lethal@linux-sh.org>2010-11-26 01:06:39 -0500
commitcffd9348a3ae87ac98a4b3c03a5359e28ad50b93 (patch)
tree1a9a27d248b40cf0fc6be433cc416c01c0bf9b41 /drivers/video/bfin_adv7393fb.h
parentdbcc465a3c8d81da132cc1dd4e5fbf731172477f (diff)
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>
Diffstat (limited to 'drivers/video/bfin_adv7393fb.h')
-rw-r--r--drivers/video/bfin_adv7393fb.h321
1 files changed, 321 insertions, 0 deletions
diff --git a/drivers/video/bfin_adv7393fb.h b/drivers/video/bfin_adv7393fb.h
new file mode 100644
index 000000000000..8c7f9e4fc6eb
--- /dev/null
+++ b/drivers/video/bfin_adv7393fb.h
@@ -0,0 +1,321 @@
1/*
2 * Frame buffer driver for ADV7393/2 video encoder
3 *
4 * Copyright 2006-2009 Analog Devices Inc.
5 * Licensed under the GPL-2 or late.
6 */
7
8#ifndef __BFIN_ADV7393FB_H__
9#define __BFIN_ADV7393FB_H__
10
11#define BFIN_LCD_NBR_PALETTE_ENTRIES 256
12
13#ifdef CONFIG_NTSC
14# define VMODE 0
15#endif
16#ifdef CONFIG_PAL
17# define VMODE 1
18#endif
19#ifdef CONFIG_NTSC_640x480
20# define VMODE 2
21#endif
22#ifdef CONFIG_PAL_640x480
23# define VMODE 3
24#endif
25#ifdef CONFIG_NTSC_YCBCR
26# define VMODE 4
27#endif
28#ifdef CONFIG_PAL_YCBCR
29# define VMODE 5
30#endif
31
32#ifndef VMODE
33# define VMODE 1
34#endif
35
36#ifdef CONFIG_ADV7393_2XMEM
37# define VMEM 2
38#else
39# define VMEM 1
40#endif
41
42#if defined(CONFIG_BF537) || defined(CONFIG_BF536) || defined(CONFIG_BF534)
43# define DMA_CFG_VAL 0x7935 /* Set Sync Bit */
44# define VB_DUMMY_MEMORY_SOURCE L1_DATA_B_START
45#else
46# define DMA_CFG_VAL 0x7915
47# define VB_DUMMY_MEMORY_SOURCE BOOT_ROM_START
48#endif
49
50enum {
51 DESTRUCT,
52 BUILD,
53};
54
55enum {
56 POWER_ON,
57 POWER_DOWN,
58 BLANK_ON,
59 BLANK_OFF,
60};
61
62#define DRIVER_NAME "bfin-adv7393"
63
64struct adv7393fb_modes {
65 const s8 name[25]; /* Full name */
66 u16 xres; /* Active Horizonzal Pixels */
67 u16 yres; /* Active Vertical Pixels */
68 u16 bpp;
69 u16 vmode;
70 u16 a_lines; /* Active Lines per Field */
71 u16 vb1_lines; /* Vertical Blanking Field 1 Lines */
72 u16 vb2_lines; /* Vertical Blanking Field 2 Lines */
73 u16 tot_lines; /* Total Lines per Frame */
74 u16 boeft_blank; /* Before Odd/Even Field Transition No. of Blank Pixels */
75 u16 aoeft_blank; /* After Odd/Even Field Transition No. of Blank Pixels */
76 const s8 *adv7393_i2c_initd;
77 u16 adv7393_i2c_initd_len;
78};
79
80static const u8 init_NTSC_TESTPATTERN[] = {
81 0x00, 0x1E, /* Power up all DACs and PLL */
82 0x01, 0x00, /* SD-Only Mode */
83 0x80, 0x10, /* SSAF Luma Filter Enabled, NTSC Mode */
84 0x82, 0xCB, /* Step control on, pixel data valid, pedestal on, PrPb SSAF on, CVBS/YC output */
85 0x84, 0x40, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
86};
87
88static const u8 init_NTSC[] = {
89 0x00, 0x1E, /* Power up all DACs and PLL */
90 0xC3, 0x26, /* Program RGB->YCrCb Color Space convertion matrix */
91 0xC5, 0x12, /* Program RGB->YCrCb Color Space convertion matrix */
92 0xC2, 0x4A, /* Program RGB->YCrCb Color Space convertion matrix */
93 0xC6, 0x5E, /* Program RGB->YCrCb Color Space convertion matrix */
94 0xBD, 0x19, /* Program RGB->YCrCb Color Space convertion matrix */
95 0xBF, 0x42, /* Program RGB->YCrCb Color Space convertion matrix */
96 0x8C, 0x1F, /* NTSC Subcarrier Frequency */
97 0x8D, 0x7C, /* NTSC Subcarrier Frequency */
98 0x8E, 0xF0, /* NTSC Subcarrier Frequency */
99 0x8F, 0x21, /* NTSC Subcarrier Frequency */
100 0x01, 0x00, /* SD-Only Mode */
101 0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
102 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
103 0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
104 0x86, 0x82,
105 0x8B, 0x11,
106 0x88, 0x20,
107 0x8A, 0x0d,
108};
109
110static const u8 init_PAL[] = {
111 0x00, 0x1E, /* Power up all DACs and PLL */
112 0xC3, 0x26, /* Program RGB->YCrCb Color Space convertion matrix */
113 0xC5, 0x12, /* Program RGB->YCrCb Color Space convertion matrix */
114 0xC2, 0x4A, /* Program RGB->YCrCb Color Space convertion matrix */
115 0xC6, 0x5E, /* Program RGB->YCrCb Color Space convertion matrix */
116 0xBD, 0x19, /* Program RGB->YCrCb Color Space convertion matrix */
117 0xBF, 0x42, /* Program RGB->YCrCb Color Space convertion matrix */
118 0x8C, 0xCB, /* PAL Subcarrier Frequency */
119 0x8D, 0x8A, /* PAL Subcarrier Frequency */
120 0x8E, 0x09, /* PAL Subcarrier Frequency */
121 0x8F, 0x2A, /* PAL Subcarrier Frequency */
122 0x01, 0x00, /* SD-Only Mode */
123 0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
124 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
125 0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
126 0x86, 0x82,
127 0x8B, 0x11,
128 0x88, 0x20,
129 0x8A, 0x0d,
130};
131
132static const u8 init_NTSC_YCbCr[] = {
133 0x00, 0x1E, /* Power up all DACs and PLL */
134 0x8C, 0x1F, /* NTSC Subcarrier Frequency */
135 0x8D, 0x7C, /* NTSC Subcarrier Frequency */
136 0x8E, 0xF0, /* NTSC Subcarrier Frequency */
137 0x8F, 0x21, /* NTSC Subcarrier Frequency */
138 0x01, 0x00, /* SD-Only Mode */
139 0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
140 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
141 0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
142 0x86, 0x82,
143 0x8B, 0x11,
144 0x88, 0x08,
145 0x8A, 0x0d,
146};
147
148static const u8 init_PAL_YCbCr[] = {
149 0x00, 0x1E, /* Power up all DACs and PLL */
150 0x8C, 0xCB, /* PAL Subcarrier Frequency */
151 0x8D, 0x8A, /* PAL Subcarrier Frequency */
152 0x8E, 0x09, /* PAL Subcarrier Frequency */
153 0x8F, 0x2A, /* PAL Subcarrier Frequency */
154 0x01, 0x00, /* SD-Only Mode */
155 0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
156 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
157 0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
158 0x86, 0x82,
159 0x8B, 0x11,
160 0x88, 0x08,
161 0x8A, 0x0d,
162};
163
164static struct adv7393fb_modes known_modes[] = {
165 /* NTSC 720x480 CRT */
166 {
167 .name = "NTSC 720x480",
168 .xres = 720,
169 .yres = 480,
170 .bpp = 16,
171 .vmode = FB_VMODE_INTERLACED,
172 .a_lines = 240,
173 .vb1_lines = 22,
174 .vb2_lines = 23,
175 .tot_lines = 525,
176 .boeft_blank = 16,
177 .aoeft_blank = 122,
178 .adv7393_i2c_initd = init_NTSC,
179 .adv7393_i2c_initd_len = sizeof(init_NTSC)
180 },
181 /* PAL 720x480 CRT */
182 {
183 .name = "PAL 720x576",
184 .xres = 720,
185 .yres = 576,
186 .bpp = 16,
187 .vmode = FB_VMODE_INTERLACED,
188 .a_lines = 288,
189 .vb1_lines = 24,
190 .vb2_lines = 25,
191 .tot_lines = 625,
192 .boeft_blank = 12,
193 .aoeft_blank = 132,
194 .adv7393_i2c_initd = init_PAL,
195 .adv7393_i2c_initd_len = sizeof(init_PAL)
196 },
197 /* NTSC 640x480 CRT Experimental */
198 {
199 .name = "NTSC 640x480",
200 .xres = 640,
201 .yres = 480,
202 .bpp = 16,
203 .vmode = FB_VMODE_INTERLACED,
204 .a_lines = 240,
205 .vb1_lines = 22,
206 .vb2_lines = 23,
207 .tot_lines = 525,
208 .boeft_blank = 16 + 40,
209 .aoeft_blank = 122 + 40,
210 .adv7393_i2c_initd = init_NTSC,
211 .adv7393_i2c_initd_len = sizeof(init_NTSC)
212 },
213 /* PAL 640x480 CRT Experimental */
214 {
215 .name = "PAL 640x480",
216 .xres = 640,
217 .yres = 480,
218 .bpp = 16,
219 .vmode = FB_VMODE_INTERLACED,
220 .a_lines = 288 - 20,
221 .vb1_lines = 24 + 20,
222 .vb2_lines = 25 + 20,
223 .tot_lines = 625,
224 .boeft_blank = 12 + 40,
225 .aoeft_blank = 132 + 40,
226 .adv7393_i2c_initd = init_PAL,
227 .adv7393_i2c_initd_len = sizeof(init_PAL)
228 },
229 /* NTSC 720x480 YCbCR */
230 {
231 .name = "NTSC 720x480 YCbCR",
232 .xres = 720,
233 .yres = 480,
234 .bpp = 16,
235 .vmode = FB_VMODE_INTERLACED,
236 .a_lines = 240,
237 .vb1_lines = 22,
238 .vb2_lines = 23,
239 .tot_lines = 525,
240 .boeft_blank = 16,
241 .aoeft_blank = 122,
242 .adv7393_i2c_initd = init_NTSC_YCbCr,
243 .adv7393_i2c_initd_len = sizeof(init_NTSC_YCbCr)
244 },
245 /* PAL 720x480 CRT */
246 {
247 .name = "PAL 720x576 YCbCR",
248 .xres = 720,
249 .yres = 576,
250 .bpp = 16,
251 .vmode = FB_VMODE_INTERLACED,
252 .a_lines = 288,
253 .vb1_lines = 24,
254 .vb2_lines = 25,
255 .tot_lines = 625,
256 .boeft_blank = 12,
257 .aoeft_blank = 132,
258 .adv7393_i2c_initd = init_PAL_YCbCr,
259 .adv7393_i2c_initd_len = sizeof(init_PAL_YCbCr)
260 }
261};
262
263struct adv7393fb_regs {
264
265};
266
267struct adv7393fb_device {
268 struct fb_info info; /* FB driver info record */
269
270 struct i2c_client *client;
271
272 struct dmasg *descriptor_list_head;
273 struct dmasg *vb1;
274 struct dmasg *av1;
275 struct dmasg *vb2;
276 struct dmasg *av2;
277
278 dma_addr_t dma_handle;
279
280 struct fb_info bfin_adv7393_fb;
281
282 struct adv7393fb_modes *modes;
283
284 struct adv7393fb_regs *regs; /* Registers memory map */
285 size_t regs_len;
286 size_t fb_len;
287 size_t line_len;
288 u16 open;
289 u16 *fb_mem; /* RGB Buffer */
290
291};
292
293#define to_adv7393fb_device(_info) \
294 (_info ? container_of(_info, struct adv7393fb_device, info) : NULL);
295
296static int bfin_adv7393_fb_open(struct fb_info *info, int user);
297static int bfin_adv7393_fb_release(struct fb_info *info, int user);
298static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
299 struct fb_info *info);
300
301static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
302 struct fb_info *info);
303
304static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
305
306static void bfin_config_ppi(struct adv7393fb_device *fbdev);
307static int bfin_config_dma(struct adv7393fb_device *fbdev);
308static void bfin_disable_dma(void);
309static void bfin_enable_ppi(void);
310static void bfin_disable_ppi(void);
311
312static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
313static inline int adv7393_read(struct i2c_client *client, u8 reg);
314static int adv7393_write_block(struct i2c_client *client, const u8 *data,
315 unsigned int len);
316
317int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
318static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
319 u_int, struct fb_info *info);
320
321#endif
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