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author | Aidan MacDonald <amachronic@protonmail.com> | 2022-10-03 10:17:41 +0100 |
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committer | Aidan MacDonald <amachronic@protonmail.com> | 2022-10-03 13:30:01 +0100 |
commit | fe6aa21e9eb88f49005863efd2003d0982920048 (patch) | |
tree | 11ffde0fdde131f39145542506cf9020dcf384d3 /firmware/target/arm/philips/hdd6330/lcd-hdd6330.c | |
parent | b371ff1f4758f6781e2b89f86bd8e65b8585f56e (diff) | |
download | rockbox-fe6aa21e9eb88f49005863efd2003d0982920048.tar.gz rockbox-fe6aa21e9eb88f49005863efd2003d0982920048.zip |
Remove YUV blitting functions and LCD modes
None of this is needed now that mpegplayer is gone.
Change-Id: I360366db8513e4d988021e8d7b7d8eb09930efb8
Diffstat (limited to 'firmware/target/arm/philips/hdd6330/lcd-hdd6330.c')
-rw-r--r-- | firmware/target/arm/philips/hdd6330/lcd-hdd6330.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c b/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c index cdd3064bba..9d2fdc8519 100644 --- a/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c +++ b/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c | |||
@@ -37,9 +37,6 @@ | |||
37 | /* whether the lcd is currently enabled or not */ | 37 | /* whether the lcd is currently enabled or not */ |
38 | static bool lcd_enabled; | 38 | static bool lcd_enabled; |
39 | 39 | ||
40 | /* Display status */ | ||
41 | static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0; | ||
42 | |||
43 | /* Value used for flipping. Must be remembered when display is turned off. */ | 40 | /* Value used for flipping. Must be remembered when display is turned off. */ |
44 | static unsigned short flip; | 41 | static unsigned short flip; |
45 | 42 | ||
@@ -147,101 +144,6 @@ void lcd_set_flip(bool yesno) | |||
147 | lcd_send_data(0x08 | flip); | 144 | lcd_send_data(0x08 | flip); |
148 | } | 145 | } |
149 | 146 | ||
150 | void lcd_yuv_set_options(unsigned options) | ||
151 | { | ||
152 | lcd_yuv_options = options; | ||
153 | } | ||
154 | |||
155 | #define CSUB_X 2 | ||
156 | #define CSUB_Y 2 | ||
157 | |||
158 | /* YUV- > RGB565 conversion | ||
159 | * |R| |1.000000 -0.000001 1.402000| |Y'| | ||
160 | * |G| = |1.000000 -0.334136 -0.714136| |Pb| | ||
161 | * |B| |1.000000 1.772000 0.000000| |Pr| | ||
162 | * Scaled, normalized, rounded and tweaked to yield RGB 565: | ||
163 | * |R| |74 0 101| |Y' - 16| >> 9 | ||
164 | * |G| = |74 -24 -51| |Cb - 128| >> 8 | ||
165 | * |B| |74 128 0| |Cr - 128| >> 9 | ||
166 | */ | ||
167 | |||
168 | extern void lcd_yuv_write_inner_loop(unsigned char const * const ysrc, | ||
169 | unsigned char const * const usrc, | ||
170 | unsigned char const * const vsrc, | ||
171 | int width); | ||
172 | |||
173 | /* Performance function to blit a YUV bitmap directly to the LCD */ | ||
174 | void lcd_blit_yuv(unsigned char * const src[3], | ||
175 | int src_x, int src_y, int stride, | ||
176 | int x, int y, int width, int height) | ||
177 | { | ||
178 | int h; | ||
179 | |||
180 | width = (width + 1) & ~1; | ||
181 | |||
182 | lcd_send_reg(LCD_REG_HORIZ_ADDR_START); | ||
183 | lcd_send_data(y); | ||
184 | |||
185 | lcd_send_reg(LCD_REG_HORIZ_ADDR_END); | ||
186 | lcd_send_data(y + height - 1); | ||
187 | |||
188 | lcd_send_reg(LCD_REG_VERT_ADDR_START); | ||
189 | lcd_send_data(x + x_offset); | ||
190 | |||
191 | lcd_send_reg(LCD_REG_VERT_ADDR_END); | ||
192 | lcd_send_data(x + width - 1 + x_offset); | ||
193 | |||
194 | lcd_send_reg(LCD_REG_WRITE_DATA_2_GRAM); | ||
195 | |||
196 | const int stride_div_csub_x = stride/CSUB_X; | ||
197 | |||
198 | h=0; | ||
199 | while (1) | ||
200 | { | ||
201 | /* upsampling, YUV->RGB conversion and reduction to RGB565 in one go */ | ||
202 | const unsigned char *ysrc = src[0] + stride * src_y + src_x; | ||
203 | |||
204 | const int uvoffset = stride_div_csub_x * (src_y/CSUB_Y) + | ||
205 | (src_x/CSUB_X); | ||
206 | |||
207 | const unsigned char *usrc = src[1] + uvoffset; | ||
208 | const unsigned char *vsrc = src[2] + uvoffset; | ||
209 | |||
210 | int pixels_to_write; | ||
211 | |||
212 | if (h==0) | ||
213 | { | ||
214 | while (!(LCD2_BLOCK_CTRL & LCD2_BLOCK_READY)); | ||
215 | LCD2_BLOCK_CONFIG = 0; | ||
216 | |||
217 | if (height == 0) break; | ||
218 | |||
219 | pixels_to_write = (width * height) * 2; | ||
220 | h = height; | ||
221 | |||
222 | /* calculate how much we can do in one go */ | ||
223 | if (pixels_to_write > 0x10000) | ||
224 | { | ||
225 | h = (0x10000/2) / width; | ||
226 | pixels_to_write = (width * h) * 2; | ||
227 | } | ||
228 | |||
229 | height -= h; | ||
230 | LCD2_BLOCK_CTRL = 0x10000080; | ||
231 | LCD2_BLOCK_CONFIG = 0xc0010000 | (pixels_to_write - 1); | ||
232 | LCD2_BLOCK_CTRL = 0x34000000; | ||
233 | } | ||
234 | |||
235 | lcd_yuv_write_inner_loop(ysrc,usrc,vsrc,width); | ||
236 | |||
237 | src_y++; | ||
238 | h--; | ||
239 | } | ||
240 | |||
241 | while (!(LCD2_BLOCK_CTRL & LCD2_BLOCK_READY)); | ||
242 | LCD2_BLOCK_CONFIG = 0; | ||
243 | } | ||
244 | |||
245 | /* Update the display. | 147 | /* Update the display. |
246 | This must be called after all other LCD functions that change the display. */ | 148 | This must be called after all other LCD functions that change the display. */ |
247 | void lcd_update(void) | 149 | void lcd_update(void) |