diff options
Diffstat (limited to 'firmware/target/arm/tms320dm320/sansa-connect/lcd-sansaconnect.c')
-rw-r--r-- | firmware/target/arm/tms320dm320/sansa-connect/lcd-sansaconnect.c | 111 |
1 files changed, 4 insertions, 107 deletions
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/lcd-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/lcd-sansaconnect.c index 308b4297c2..ad417663fe 100644 --- a/firmware/target/arm/tms320dm320/sansa-connect/lcd-sansaconnect.c +++ b/firmware/target/arm/tms320dm320/sansa-connect/lcd-sansaconnect.c | |||
@@ -30,18 +30,7 @@ | |||
30 | #include "lcd-target.h" | 30 | #include "lcd-target.h" |
31 | #include "avr-sansaconnect.h" | 31 | #include "avr-sansaconnect.h" |
32 | 32 | ||
33 | /* Copies a rectangle from one framebuffer to another. Can be used in | 33 | extern bool lcd_on; /* lcd-memframe.c */ |
34 | single transfer mode with width = num pixels, and height = 1 which | ||
35 | allows a full-width rectangle to be copied more efficiently. */ | ||
36 | extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src, | ||
37 | int width, int height); | ||
38 | |||
39 | static bool lcd_on = true; | ||
40 | |||
41 | bool lcd_active(void) | ||
42 | { | ||
43 | return lcd_on; | ||
44 | } | ||
45 | 34 | ||
46 | #if defined(HAVE_LCD_SLEEP) | 35 | #if defined(HAVE_LCD_SLEEP) |
47 | void lcd_sleep(void) | 36 | void lcd_sleep(void) |
@@ -49,6 +38,7 @@ void lcd_sleep(void) | |||
49 | if (lcd_on) | 38 | if (lcd_on) |
50 | { | 39 | { |
51 | lcd_on = false; | 40 | lcd_on = false; |
41 | |||
52 | avr_hid_lcm_sleep(); | 42 | avr_hid_lcm_sleep(); |
53 | sleep(HZ/20); | 43 | sleep(HZ/20); |
54 | 44 | ||
@@ -67,6 +57,7 @@ void lcd_awake(void) | |||
67 | if (!lcd_on) | 57 | if (!lcd_on) |
68 | { | 58 | { |
69 | lcd_on = true; | 59 | lcd_on = true; |
60 | |||
70 | /* enable video encoder clock */ | 61 | /* enable video encoder clock */ |
71 | bitset16(&IO_CLK_MOD1, CLK_MOD1_VENC); | 62 | bitset16(&IO_CLK_MOD1, CLK_MOD1_VENC); |
72 | 63 | ||
@@ -159,56 +150,7 @@ void lcd_init_device(void) | |||
159 | /* Enable Video Encoder - RGB666, custom timing */ | 150 | /* Enable Video Encoder - RGB666, custom timing */ |
160 | IO_VID_ENC_VMOD = 0x2011; | 151 | IO_VID_ENC_VMOD = 0x2011; |
161 | avr_hid_lcm_wake(); | 152 | avr_hid_lcm_wake(); |
162 | } | 153 | lcd_on = true; |
163 | |||
164 | /* Update a fraction of the display. */ | ||
165 | void lcd_update_rect(int x, int y, int width, int height) | ||
166 | __attribute__ ((section(".icode"))); | ||
167 | void lcd_update_rect(int x, int y, int width, int height) | ||
168 | { | ||
169 | register fb_data *dst, *src; | ||
170 | |||
171 | if (!lcd_on) | ||
172 | return; | ||
173 | |||
174 | if ((width | height) < 0) | ||
175 | return; /* Nothing left to do */ | ||
176 | |||
177 | if (x + width > LCD_WIDTH) | ||
178 | width = LCD_WIDTH - x; /* Clip right */ | ||
179 | if (x < 0) | ||
180 | width += x, x = 0; /* Clip left */ | ||
181 | |||
182 | if (y + height > LCD_HEIGHT) | ||
183 | height = LCD_HEIGHT - y; /* Clip bottom */ | ||
184 | if (y < 0) | ||
185 | height += y, y = 0; /* Clip top */ | ||
186 | |||
187 | dst = FRAME + LCD_WIDTH*y + x; | ||
188 | src = &lcd_framebuffer[y][x]; | ||
189 | |||
190 | /* Copy part of the Rockbox framebuffer to the second framebuffer */ | ||
191 | if (width < LCD_WIDTH) | ||
192 | { | ||
193 | /* Not full width - do line-by-line */ | ||
194 | lcd_copy_buffer_rect(dst, src, width, height); | ||
195 | } | ||
196 | else | ||
197 | { | ||
198 | /* Full width - copy as one line */ | ||
199 | lcd_copy_buffer_rect(dst, src, LCD_WIDTH*height, 1); | ||
200 | } | ||
201 | } | ||
202 | |||
203 | /* Update the display. | ||
204 | This must be called after all other LCD functions that change the display. */ | ||
205 | void lcd_update(void) __attribute__ ((section(".icode"))); | ||
206 | void lcd_update(void) | ||
207 | { | ||
208 | if (!lcd_on) | ||
209 | return; | ||
210 | |||
211 | lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); | ||
212 | } | 154 | } |
213 | 155 | ||
214 | void lcd_set_contrast(int val) { | 156 | void lcd_set_contrast(int val) { |
@@ -225,48 +167,3 @@ void lcd_set_flip(bool yesno) { | |||
225 | (void) yesno; | 167 | (void) yesno; |
226 | // TODO: | 168 | // TODO: |
227 | } | 169 | } |
228 | |||
229 | /* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */ | ||
230 | extern void lcd_write_yuv420_lines(fb_data *dst, | ||
231 | unsigned char chroma_buf[LCD_HEIGHT/2*3], | ||
232 | unsigned char const * const src[3], | ||
233 | int width, int stride); | ||
234 | |||
235 | /* Performance function to blit a YUV bitmap directly to the LCD */ | ||
236 | void lcd_blit_yuv(unsigned char * const src[3], | ||
237 | int src_x, int src_y, int stride, | ||
238 | int x, int y, int width, int height) | ||
239 | { | ||
240 | /* Caches for chroma data so it only need be recalculated every other | ||
241 | line */ | ||
242 | unsigned char chroma_buf[LCD_HEIGHT/2*3]; /* 480 bytes */ | ||
243 | unsigned char const * yuv_src[3]; | ||
244 | off_t z; | ||
245 | |||
246 | if (!lcd_on) | ||
247 | return; | ||
248 | |||
249 | /* Sorry, but width and height must be >= 2 or else */ | ||
250 | width &= ~1; | ||
251 | height >>= 1; | ||
252 | |||
253 | fb_data *dst = (fb_data*)FRAME + x * LCD_WIDTH + (LCD_WIDTH - y) - 1; | ||
254 | |||
255 | z = stride*src_y; | ||
256 | yuv_src[0] = src[0] + z + src_x; | ||
257 | yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1); | ||
258 | yuv_src[2] = src[2] + (yuv_src[1] - src[1]); | ||
259 | |||
260 | do | ||
261 | { | ||
262 | lcd_write_yuv420_lines(dst, chroma_buf, yuv_src, width, | ||
263 | stride); | ||
264 | |||
265 | yuv_src[0] += stride << 1; /* Skip down two luma lines */ | ||
266 | yuv_src[1] += stride >> 1; /* Skip down one chroma line */ | ||
267 | yuv_src[2] += stride >> 1; | ||
268 | dst -= 2; | ||
269 | } | ||
270 | while (--height > 0); | ||
271 | } | ||
272 | |||