diff options
Diffstat (limited to 'firmware/target/coldfire')
-rw-r--r-- | firmware/target/coldfire/iaudio/lcd-remote-iaudio.c | 125 | ||||
-rw-r--r-- | firmware/target/coldfire/iaudio/m3/button-m3.c | 2 | ||||
-rw-r--r-- | firmware/target/coldfire/iaudio/m3/lcd-m3.c | 303 |
3 files changed, 324 insertions, 106 deletions
diff --git a/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c b/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c index 6565d3088d..5a03dc6180 100644 --- a/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c +++ b/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c | |||
@@ -64,106 +64,83 @@ bool remote_initialized = false; | |||
64 | static inline void _write_byte(unsigned data) | 64 | static inline void _write_byte(unsigned data) |
65 | { | 65 | { |
66 | asm volatile ( | 66 | asm volatile ( |
67 | "move.w %%sr,%%d2 \n" /* Get current interrupt level */ | 67 | "move.l (%[gpo0]), %%d0 \n" /* Get current state of data line */ |
68 | "move.w #0x2700,%%sr \n" /* Disable interrupts */ | 68 | "and.l %[dbit], %%d0 \n" |
69 | |||
70 | "move.l (%[gpo0]), %%d0 \n" /* Get current state of data port */ | ||
71 | "move.l %%d0, %%d1 \n" | ||
72 | "and.l %[dbit], %%d1 \n" /* Check current state of data line */ | ||
73 | "beq.s 1f \n" /* and set it as previous-state bit */ | 69 | "beq.s 1f \n" /* and set it as previous-state bit */ |
74 | "bset #8, %[data] \n" | 70 | "bset #8, %[data] \n" |
75 | "1: \n" | 71 | "1: \n" |
76 | "move.l %[data], %%d1 \n" /* Compute the 'bit derivative', i.e. a value */ | 72 | "move.l %[data], %%d0 \n" /* Compute the 'bit derivative', i.e. a value */ |
77 | "lsr.l #1, %%d1 \n" /* with 1's where the data changes from the */ | 73 | "lsr.l #1, %%d0 \n" /* with 1's where the data changes from the */ |
78 | "eor.l %%d1, %[data] \n" /* previous state, and 0's where it doesn't */ | 74 | "eor.l %%d0, %[data] \n" /* previous state, and 0's where it doesn't */ |
79 | "swap %[data] \n" /* Shift data to upper byte */ | 75 | "swap %[data] \n" /* Shift data to upper byte */ |
80 | "lsl.l #8, %[data] \n" | 76 | "lsl.l #8, %[data] \n" |
81 | 77 | ||
82 | "eor.l %[cbit], %%d0 \n" /* precalculate opposite state of clock line */ | 78 | "move.l %[cbit], %%d1 \n" /* Prepare mask for flipping CLK */ |
83 | 79 | "or.l %[dbit], %%d1 \n" /* and DATA at once */ | |
80 | |||
84 | "lsl.l #1,%[data] \n" /* Shift out MSB */ | 81 | "lsl.l #1,%[data] \n" /* Shift out MSB */ |
85 | "bcc.s 1f \n" | 82 | "bcc.s 1f \n" |
86 | "eor.l %[dbit], %%d0 \n" /* 1: Flip data bit */ | 83 | "eor.l %%d1, (%[gpo0]) \n" /* 1: Flip both CLK and DATA */ |
84 | ".word 0x51fa \n" /* (trapf.w - shadow next insn) */ | ||
87 | "1: \n" | 85 | "1: \n" |
88 | "move.l %%d0, %%d1 \n" | 86 | "eor.l %[cbit], (%[gpo0]) \n" /* else flip CLK only */ |
89 | "move.l %%d0, (%[gpo0]) \n" /* Output new state and set CLK = 0*/ | 87 | "eor.l %[cbit], (%[gpo0]) \n" /* Flip CLK again */ |
90 | "eor.l %[cbit], %%d1 \n" | ||
91 | "nop \n" | ||
92 | 88 | ||
93 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 89 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ |
94 | "bcc.s 1f \n" | 90 | "bcc.s 1f \n" |
95 | "eor.l %[dbit], %%d0 \n" | 91 | "eor.l %%d1, (%[gpo0]) \n" |
92 | ".word 0x51fa \n" | ||
96 | "1: \n" | 93 | "1: \n" |
97 | "move.l %%d1, (%[gpo0]) \n" /* set CLK = 1 (delayed) */ | 94 | "eor.l %[cbit], (%[gpo0]) \n" |
98 | "move.l %%d0, %%d1 \n" | 95 | "eor.l %[cbit], (%[gpo0]) \n" |
99 | "move.l %%d0, (%[gpo0]) \n" | ||
100 | "eor.l %[cbit], %%d1 \n" | ||
101 | "nop \n" | ||
102 | 96 | ||
103 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 97 | "lsl.l #1,%[data] \n" |
104 | "bcc.s 1f \n" | 98 | "bcc.s 1f \n" |
105 | "eor.l %[dbit], %%d0 \n" | 99 | "eor.l %%d1, (%[gpo0]) \n" |
100 | ".word 0x51fa \n" | ||
106 | "1: \n" | 101 | "1: \n" |
107 | "move.l %%d1, (%[gpo0]) \n" | 102 | "eor.l %[cbit], (%[gpo0]) \n" |
108 | "move.l %%d0, %%d1 \n" | 103 | "eor.l %[cbit], (%[gpo0]) \n" |
109 | "move.l %%d0, (%[gpo0]) \n" | ||
110 | "eor.l %[cbit], %%d1 \n" | ||
111 | "nop \n" | ||
112 | 104 | ||
113 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 105 | "lsl.l #1,%[data] \n" |
114 | "bcc.s 1f \n" | 106 | "bcc.s 1f \n" |
115 | "eor.l %[dbit], %%d0 \n" | 107 | "eor.l %%d1, (%[gpo0]) \n" |
108 | ".word 0x51fa \n" | ||
116 | "1: \n" | 109 | "1: \n" |
117 | "move.l %%d1, (%[gpo0]) \n" | 110 | "eor.l %[cbit], (%[gpo0]) \n" |
118 | "move.l %%d0, %%d1 \n" | 111 | "eor.l %[cbit], (%[gpo0]) \n" |
119 | "move.l %%d0, (%[gpo0]) \n" | ||
120 | "eor.l %[cbit], %%d1 \n" | ||
121 | "nop \n" | ||
122 | 112 | ||
123 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 113 | "lsl.l #1,%[data] \n" |
124 | "bcc.s 1f \n" | 114 | "bcc.s 1f \n" |
125 | "eor.l %[dbit], %%d0 \n" | 115 | "eor.l %%d1, (%[gpo0]) \n" |
116 | ".word 0x51fa \n" | ||
126 | "1: \n" | 117 | "1: \n" |
127 | "move.l %%d1, (%[gpo0]) \n" | 118 | "eor.l %[cbit], (%[gpo0]) \n" |
128 | "move.l %%d0, %%d1 \n" | 119 | "eor.l %[cbit], (%[gpo0]) \n" |
129 | "move.l %%d0, (%[gpo0]) \n" | ||
130 | "eor.l %[cbit], %%d1 \n" | ||
131 | "nop \n" | ||
132 | 120 | ||
133 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 121 | "lsl.l #1,%[data] \n" |
134 | "bcc.s 1f \n" | 122 | "bcc.s 1f \n" |
135 | "eor.l %[dbit], %%d0 \n" | 123 | "eor.l %%d1, (%[gpo0]) \n" |
124 | ".word 0x51fa \n" | ||
136 | "1: \n" | 125 | "1: \n" |
137 | "move.l %%d1, (%[gpo0]) \n" | 126 | "eor.l %[cbit], (%[gpo0]) \n" |
138 | "move.l %%d0, %%d1 \n" | 127 | "eor.l %[cbit], (%[gpo0]) \n" |
139 | "move.l %%d0, (%[gpo0]) \n" | ||
140 | "eor.l %[cbit], %%d1 \n" | ||
141 | "nop \n" | ||
142 | 128 | ||
143 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 129 | "lsl.l #1,%[data] \n" |
144 | "bcc.s 1f \n" | 130 | "bcc.s 1f \n" |
145 | "eor.l %[dbit], %%d0 \n" | 131 | "eor.l %%d1, (%[gpo0]) \n" |
132 | ".word 0x51fa \n" | ||
146 | "1: \n" | 133 | "1: \n" |
147 | "move.l %%d1, (%[gpo0]) \n" | 134 | "eor.l %[cbit], (%[gpo0]) \n" |
148 | "move.l %%d0, %%d1 \n" | 135 | "eor.l %[cbit], (%[gpo0]) \n" |
149 | "move.l %%d0, (%[gpo0]) \n" | ||
150 | "eor.l %[cbit], %%d1 \n" | ||
151 | "nop \n" | ||
152 | 136 | ||
153 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 137 | "lsl.l #1,%[data] \n" |
154 | "bcc.s 1f \n" | 138 | "bcc.s 1f \n" |
155 | "eor.l %[dbit], %%d0 \n" | 139 | "eor.l %%d1, (%[gpo0]) \n" |
140 | ".word 0x51fa \n" | ||
156 | "1: \n" | 141 | "1: \n" |
157 | "move.l %%d1, (%[gpo0]) \n" | 142 | "eor.l %[cbit], (%[gpo0]) \n" |
158 | "move.l %%d0, %%d1 \n" | 143 | "eor.l %[cbit], (%[gpo0]) \n" |
159 | "move.l %%d0, (%[gpo0]) \n" | ||
160 | "eor.l %[cbit], %%d1 \n" | ||
161 | "nop \n" | ||
162 | |||
163 | "nop \n" | ||
164 | "move.l %%d1, (%[gpo0]) \n" /* set CLK = 1 (delayed) */ | ||
165 | |||
166 | "move.w %%d2, %%sr \n" /* Restore interrupt level */ | ||
167 | : /* outputs */ | 144 | : /* outputs */ |
168 | [data]"+d"(data) | 145 | [data]"+d"(data) |
169 | : /* inputs */ | 146 | : /* inputs */ |
@@ -171,7 +148,7 @@ static inline void _write_byte(unsigned data) | |||
171 | [cbit]"d"(0x00004000), | 148 | [cbit]"d"(0x00004000), |
172 | [dbit]"d"(0x00002000) | 149 | [dbit]"d"(0x00002000) |
173 | : /* clobbers */ | 150 | : /* clobbers */ |
174 | "d0", "d1", "d2" | 151 | "d0", "d1" |
175 | ); | 152 | ); |
176 | } | 153 | } |
177 | 154 | ||
@@ -180,7 +157,7 @@ static inline void _write_byte(unsigned data) | |||
180 | static inline void _write_fast(unsigned data) | 157 | static inline void _write_fast(unsigned data) |
181 | { | 158 | { |
182 | asm volatile ( | 159 | asm volatile ( |
183 | "move.w %%sr,%%d2 \n" /* Get current interrupt level */ | 160 | "move.w %%sr,%%d3 \n" /* Get current interrupt level */ |
184 | "move.w #0x2700,%%sr \n" /* Disable interrupts */ | 161 | "move.w #0x2700,%%sr \n" /* Disable interrupts */ |
185 | 162 | ||
186 | "move.l (%[gpo0]), %%d0 \n" /* Get current state of data port */ | 163 | "move.l (%[gpo0]), %%d0 \n" /* Get current state of data port */ |
@@ -262,7 +239,7 @@ static inline void _write_fast(unsigned data) | |||
262 | "move.l %%d1, (%[gpo0]) \n" | 239 | "move.l %%d1, (%[gpo0]) \n" |
263 | "move.l %%d0, (%[gpo0]) \n" | 240 | "move.l %%d0, (%[gpo0]) \n" |
264 | 241 | ||
265 | "move.w %%d2, %%sr \n" /* Restore interrupt level */ | 242 | "move.w %%d3, %%sr \n" /* Restore interrupt level */ |
266 | : /* outputs */ | 243 | : /* outputs */ |
267 | [data]"+d"(data) | 244 | [data]"+d"(data) |
268 | : /* inputs */ | 245 | : /* inputs */ |
@@ -270,7 +247,7 @@ static inline void _write_fast(unsigned data) | |||
270 | [cbit]"d"(0x00004000), | 247 | [cbit]"d"(0x00004000), |
271 | [dbit]"d"(0x00002000) | 248 | [dbit]"d"(0x00002000) |
272 | : /* clobbers */ | 249 | : /* clobbers */ |
273 | "d0", "d1", "d2" | 250 | "d0", "d1", "d2", "d3" |
274 | ); | 251 | ); |
275 | } | 252 | } |
276 | 253 | ||
diff --git a/firmware/target/coldfire/iaudio/m3/button-m3.c b/firmware/target/coldfire/iaudio/m3/button-m3.c index f5d4b59363..ecea221a4c 100644 --- a/firmware/target/coldfire/iaudio/m3/button-m3.c +++ b/firmware/target/coldfire/iaudio/m3/button-m3.c | |||
@@ -116,7 +116,7 @@ int button_read_device(void) | |||
116 | else | 116 | else |
117 | btn |= BUTTON_RC_VOL_DOWN; | 117 | btn |= BUTTON_RC_VOL_DOWN; |
118 | } | 118 | } |
119 | if ((GPIO_READ & 0x80000000) == 0) | 119 | if ((GPIO_READ & 0x80000000) == 0) |
120 | btn |= BUTTON_RC_PLAY; | 120 | btn |= BUTTON_RC_PLAY; |
121 | } | 121 | } |
122 | 122 | ||
diff --git a/firmware/target/coldfire/iaudio/m3/lcd-m3.c b/firmware/target/coldfire/iaudio/m3/lcd-m3.c index 4bc22380f5..ae72832a82 100644 --- a/firmware/target/coldfire/iaudio/m3/lcd-m3.c +++ b/firmware/target/coldfire/iaudio/m3/lcd-m3.c | |||
@@ -61,6 +61,263 @@ static int cached_contrast = DEFAULT_CONTRAST_SETTING; | |||
61 | bool initialized = false; | 61 | bool initialized = false; |
62 | 62 | ||
63 | 63 | ||
64 | /* Standard low-level byte writer. Requires CLK high on entry */ | ||
65 | static inline void _write_byte(unsigned data) | ||
66 | { | ||
67 | asm volatile ( | ||
68 | "move.l (%[gpo0]), %%d0 \n" /* Get current state of data line */ | ||
69 | "and.l %[dbit], %%d0 \n" | ||
70 | "beq.s 1f \n" /* and set it as previous-state bit */ | ||
71 | "bset #8, %[data] \n" | ||
72 | "1: \n" | ||
73 | "move.l %[data], %%d0 \n" /* Compute the 'bit derivative', i.e. a value */ | ||
74 | "lsr.l #1, %%d0 \n" /* with 1's where the data changes from the */ | ||
75 | "eor.l %%d0, %[data] \n" /* previous state, and 0's where it doesn't */ | ||
76 | "swap %[data] \n" /* Shift data to upper byte */ | ||
77 | "lsl.l #8, %[data] \n" | ||
78 | |||
79 | "move.l %[cbit], %%d1 \n" /* Prepare mask for flipping CLK */ | ||
80 | "or.l %[dbit], %%d1 \n" /* and DATA at once */ | ||
81 | |||
82 | "lsl.l #1,%[data] \n" /* Shift out MSB */ | ||
83 | "bcc.s 1f \n" | ||
84 | "eor.l %%d1, (%[gpo0]) \n" /* 1: Flip both CLK and DATA */ | ||
85 | ".word 0x51fa \n" /* (trapf.w - shadow next insn) */ | ||
86 | "1: \n" | ||
87 | "eor.l %[cbit], (%[gpo0]) \n" /* else flip CLK only */ | ||
88 | "eor.l %[cbit], (%[gpo0]) \n" /* Flip CLK again */ | ||
89 | |||
90 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | ||
91 | "bcc.s 1f \n" | ||
92 | "eor.l %%d1, (%[gpo0]) \n" | ||
93 | ".word 0x51fa \n" | ||
94 | "1: \n" | ||
95 | "eor.l %[cbit], (%[gpo0]) \n" | ||
96 | "eor.l %[cbit], (%[gpo0]) \n" | ||
97 | |||
98 | "lsl.l #1,%[data] \n" | ||
99 | "bcc.s 1f \n" | ||
100 | "eor.l %%d1, (%[gpo0]) \n" | ||
101 | ".word 0x51fa \n" | ||
102 | "1: \n" | ||
103 | "eor.l %[cbit], (%[gpo0]) \n" | ||
104 | "eor.l %[cbit], (%[gpo0]) \n" | ||
105 | |||
106 | "lsl.l #1,%[data] \n" | ||
107 | "bcc.s 1f \n" | ||
108 | "eor.l %%d1, (%[gpo0]) \n" | ||
109 | ".word 0x51fa \n" | ||
110 | "1: \n" | ||
111 | "eor.l %[cbit], (%[gpo0]) \n" | ||
112 | "eor.l %[cbit], (%[gpo0]) \n" | ||
113 | |||
114 | "lsl.l #1,%[data] \n" | ||
115 | "bcc.s 1f \n" | ||
116 | "eor.l %%d1, (%[gpo0]) \n" | ||
117 | ".word 0x51fa \n" | ||
118 | "1: \n" | ||
119 | "eor.l %[cbit], (%[gpo0]) \n" | ||
120 | "eor.l %[cbit], (%[gpo0]) \n" | ||
121 | |||
122 | "lsl.l #1,%[data] \n" | ||
123 | "bcc.s 1f \n" | ||
124 | "eor.l %%d1, (%[gpo0]) \n" | ||
125 | ".word 0x51fa \n" | ||
126 | "1: \n" | ||
127 | "eor.l %[cbit], (%[gpo0]) \n" | ||
128 | "eor.l %[cbit], (%[gpo0]) \n" | ||
129 | |||
130 | "lsl.l #1,%[data] \n" | ||
131 | "bcc.s 1f \n" | ||
132 | "eor.l %%d1, (%[gpo0]) \n" | ||
133 | ".word 0x51fa \n" | ||
134 | "1: \n" | ||
135 | "eor.l %[cbit], (%[gpo0]) \n" | ||
136 | "eor.l %[cbit], (%[gpo0]) \n" | ||
137 | |||
138 | "lsl.l #1,%[data] \n" | ||
139 | "bcc.s 1f \n" | ||
140 | "eor.l %%d1, (%[gpo0]) \n" | ||
141 | ".word 0x51fa \n" | ||
142 | "1: \n" | ||
143 | "eor.l %[cbit], (%[gpo0]) \n" | ||
144 | "eor.l %[cbit], (%[gpo0]) \n" | ||
145 | : /* outputs */ | ||
146 | [data]"+d"(data) | ||
147 | : /* inputs */ | ||
148 | [gpo0]"a"(&GPIO_OUT), | ||
149 | [cbit]"d"(0x20000000), | ||
150 | [dbit]"d"(0x04000000) | ||
151 | : /* clobbers */ | ||
152 | "d0", "d1" | ||
153 | ); | ||
154 | } | ||
155 | |||
156 | /* Fast low-level byte writer. Don't use with high CPU clock. | ||
157 | * Requires CLK high on entry */ | ||
158 | static inline void _write_fast(unsigned data) | ||
159 | { | ||
160 | asm volatile ( | ||
161 | "move.w %%sr,%%d3 \n" /* Get current interrupt level */ | ||
162 | "move.w #0x2700,%%sr \n" /* Disable interrupts */ | ||
163 | |||
164 | "move.l (%[gpo0]), %%d0 \n" /* Get current state of data port */ | ||
165 | "move.l %%d0, %%d1 \n" | ||
166 | "and.l %[dbit], %%d1 \n" /* Check current state of data line */ | ||
167 | "beq.s 1f \n" /* and set it as previous-state bit */ | ||
168 | "bset #8, %[data] \n" | ||
169 | "1: \n" | ||
170 | "move.l %[data], %%d1 \n" /* Compute the 'bit derivative', i.e. a value */ | ||
171 | "lsr.l #1, %%d1 \n" /* with 1's where the data changes from the */ | ||
172 | "eor.l %%d1, %[data] \n" /* previous state, and 0's where it doesn't */ | ||
173 | "swap %[data] \n" /* Shift data to upper byte */ | ||
174 | "lsl.l #8, %[data] \n" | ||
175 | |||
176 | "move.l %%d0, %%d1 \n" /* precalculate opposite state of clock line */ | ||
177 | "eor.l %[cbit], %%d1 \n" | ||
178 | |||
179 | "lsl.l #1,%[data] \n" /* Shift out MSB */ | ||
180 | "bcc.s 1f \n" | ||
181 | "eor.l %[dbit], %%d0 \n" /* 1: Flip data bit */ | ||
182 | "eor.l %[dbit], %%d1 \n" /* for both clock states */ | ||
183 | "1: \n" | ||
184 | "move.l %%d1, (%[gpo0]) \n" /* Output new state and set CLK */ | ||
185 | "move.l %%d0, (%[gpo0]) \n" /* reset CLK */ | ||
186 | |||
187 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | ||
188 | "bcc.s 1f \n" | ||
189 | "eor.l %[dbit], %%d0 \n" | ||
190 | "eor.l %[dbit], %%d1 \n" | ||
191 | "1: \n" | ||
192 | "move.l %%d1, (%[gpo0]) \n" | ||
193 | "move.l %%d0, (%[gpo0]) \n" | ||
194 | |||
195 | "lsl.l #1,%[data] \n" | ||
196 | "bcc.s 1f \n" | ||
197 | "eor.l %[dbit], %%d0 \n" | ||
198 | "eor.l %[dbit], %%d1 \n" | ||
199 | "1: \n" | ||
200 | "move.l %%d1, (%[gpo0]) \n" | ||
201 | "move.l %%d0, (%[gpo0]) \n" | ||
202 | |||
203 | "lsl.l #1,%[data] \n" | ||
204 | "bcc.s 1f \n" | ||
205 | "eor.l %[dbit], %%d0 \n" | ||
206 | "eor.l %[dbit], %%d1 \n" | ||
207 | "1: \n" | ||
208 | "move.l %%d1, (%[gpo0]) \n" | ||
209 | "move.l %%d0, (%[gpo0]) \n" | ||
210 | |||
211 | "lsl.l #1,%[data] \n" | ||
212 | "bcc.s 1f \n" | ||
213 | "eor.l %[dbit], %%d0 \n" | ||
214 | "eor.l %[dbit], %%d1 \n" | ||
215 | "1: \n" | ||
216 | "move.l %%d1, (%[gpo0]) \n" | ||
217 | "move.l %%d0, (%[gpo0]) \n" | ||
218 | |||
219 | "lsl.l #1,%[data] \n" | ||
220 | "bcc.s 1f \n" | ||
221 | "eor.l %[dbit], %%d0 \n" | ||
222 | "eor.l %[dbit], %%d1 \n" | ||
223 | "1: \n" | ||
224 | "move.l %%d1, (%[gpo0]) \n" | ||
225 | "move.l %%d0, (%[gpo0]) \n" | ||
226 | |||
227 | "lsl.l #1,%[data] \n" | ||
228 | "bcc.s 1f \n" | ||
229 | "eor.l %[dbit], %%d0 \n" | ||
230 | "eor.l %[dbit], %%d1 \n" | ||
231 | "1: \n" | ||
232 | "move.l %%d1, (%[gpo0]) \n" | ||
233 | "move.l %%d0, (%[gpo0]) \n" | ||
234 | |||
235 | "lsl.l #1,%[data] \n" | ||
236 | "bcc.s 1f \n" | ||
237 | "eor.l %[dbit], %%d0 \n" | ||
238 | "eor.l %[dbit], %%d1 \n" | ||
239 | "1: \n" | ||
240 | "move.l %%d1, (%[gpo0]) \n" | ||
241 | "move.l %%d0, (%[gpo0]) \n" | ||
242 | |||
243 | "move.w %%d3, %%sr \n" /* Restore interrupt level */ | ||
244 | : /* outputs */ | ||
245 | [data]"+d"(data) | ||
246 | : /* inputs */ | ||
247 | [gpo0]"a"(&GPIO_OUT), | ||
248 | [cbit]"d"(0x20000000), | ||
249 | [dbit]"d"(0x04000000) | ||
250 | : /* clobbers */ | ||
251 | "d0", "d1", "d2", "d3" | ||
252 | ); | ||
253 | } | ||
254 | |||
255 | void lcd_write_command(int cmd) | ||
256 | { | ||
257 | RS_LO; | ||
258 | CS_LO; | ||
259 | _write_byte(cmd); | ||
260 | CS_HI; | ||
261 | } | ||
262 | |||
263 | void lcd_write_command_e(int cmd, int data) | ||
264 | { | ||
265 | RS_LO; | ||
266 | CS_LO; | ||
267 | _write_byte(cmd); | ||
268 | _write_byte(data); | ||
269 | CS_HI; | ||
270 | } | ||
271 | |||
272 | void lcd_write_data(const fb_data *p_words, int count) | ||
273 | { | ||
274 | const unsigned char *p_bytes = (const unsigned char *)p_words; | ||
275 | const unsigned char *p_end = (const unsigned char *)(p_words + count); | ||
276 | |||
277 | RS_HI; | ||
278 | CS_LO; | ||
279 | if (cpu_frequency < 50000000) | ||
280 | { | ||
281 | while (p_bytes < p_end) | ||
282 | _write_fast(*p_bytes++); | ||
283 | } | ||
284 | else | ||
285 | { | ||
286 | while (p_bytes < p_end) | ||
287 | _write_byte(*p_bytes++); | ||
288 | } | ||
289 | CS_HI; | ||
290 | } | ||
291 | |||
292 | static void lcd_mono_data(const unsigned char *p_words, int count) | ||
293 | { | ||
294 | unsigned data; | ||
295 | const unsigned char *p_bytes = p_words; | ||
296 | const unsigned char *p_end = p_words + count; | ||
297 | |||
298 | RS_HI; | ||
299 | CS_LO; | ||
300 | if (cpu_frequency < 50000000) | ||
301 | { | ||
302 | while (p_bytes < p_end) | ||
303 | { | ||
304 | data = *p_bytes++; | ||
305 | _write_fast(data); | ||
306 | _write_fast(data); | ||
307 | } | ||
308 | } | ||
309 | else | ||
310 | { | ||
311 | while (p_bytes < p_end) | ||
312 | { | ||
313 | data = *p_bytes++; | ||
314 | _write_byte(data); | ||
315 | _write_byte(data); | ||
316 | } | ||
317 | } | ||
318 | CS_HI; | ||
319 | } | ||
320 | |||
64 | int lcd_default_contrast(void) | 321 | int lcd_default_contrast(void) |
65 | { | 322 | { |
66 | return DEFAULT_CONTRAST_SETTING; | 323 | return DEFAULT_CONTRAST_SETTING; |
@@ -200,9 +457,6 @@ void lcd_init_device(void) | |||
200 | #endif | 457 | #endif |
201 | } | 458 | } |
202 | 459 | ||
203 | /* Helper function. */ | ||
204 | void lcd_mono_data(const unsigned char *data, int count); | ||
205 | |||
206 | /* Performance function that works with an external buffer | 460 | /* Performance function that works with an external buffer |
207 | note that by and bheight are in 8-pixel units! */ | 461 | note that by and bheight are in 8-pixel units! */ |
208 | void lcd_blit_mono(const unsigned char *data, int x, int by, int width, | 462 | void lcd_blit_mono(const unsigned char *data, int x, int by, int width, |
@@ -223,28 +477,20 @@ void lcd_blit_mono(const unsigned char *data, int x, int by, int width, | |||
223 | } | 477 | } |
224 | } | 478 | } |
225 | 479 | ||
226 | /* Helper function for lcd_grey_phase_blit(). */ | 480 | /* TODO: implement grey blit function */ |
227 | void lcd_grey_data(unsigned char *values, unsigned char *phases, int count); | ||
228 | 481 | ||
229 | /* Performance function that works with an external buffer | 482 | /* Performance function that works with an external buffer |
230 | note that by and bheight are in 8-pixel units! */ | 483 | note that by and bheight are in 8-pixel units! */ |
231 | void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, | 484 | void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, |
232 | int x, int by, int width, int bheight, int stride) | 485 | int x, int by, int width, int bheight, int stride) |
233 | { | 486 | { |
234 | if (initialized) | 487 | (void)values; |
235 | { | 488 | (void)phases; |
236 | stride <<= 3; /* 8 pixels per block */ | 489 | (void)x; |
237 | while (bheight--) | 490 | (void)by; |
238 | { | 491 | (void)width; |
239 | lcd_write_command(LCD_SET_PAGE | ((by > 5 ? by + 2 : by) & 0xf)); | 492 | (void)bheight; |
240 | lcd_write_command_e(LCD_SET_COLUMN | ((x >> 4) & 0xf), x & 0xf); | 493 | (void)stride; |
241 | |||
242 | lcd_grey_data(values, phases, width); | ||
243 | values += stride; | ||
244 | phases += stride; | ||
245 | by++; | ||
246 | } | ||
247 | } | ||
248 | } | 494 | } |
249 | 495 | ||
250 | /* Update the display. | 496 | /* Update the display. |
@@ -255,13 +501,12 @@ void lcd_update(void) | |||
255 | int y; | 501 | int y; |
256 | if (initialized) | 502 | if (initialized) |
257 | { | 503 | { |
258 | for(y = 0;y < LCD_FBHEIGHT;y++) | 504 | for(y = 0;y < LCD_FBHEIGHT;y++) { |
259 | { | ||
260 | /* Copy display bitmap to hardware. | 505 | /* Copy display bitmap to hardware. |
261 | The COM48-COM63 lines are not connected so we have to skip | 506 | The COM48-COM63 lines are not connected so we have to skip |
262 | them. Further, the column address doesn't wrap, so we | 507 | them. Further, the column address doesn't wrap, so we |
263 | have to update one page at a time. */ | 508 | have to update one page at a time. */ |
264 | lcd_write_command(LCD_SET_PAGE | (y > 5 ? y + 2 : y)); | 509 | lcd_write_command(LCD_SET_PAGE | (y>5?y+2:y)); |
265 | lcd_write_command_e(LCD_SET_COLUMN | 0, 0); | 510 | lcd_write_command_e(LCD_SET_COLUMN | 0, 0); |
266 | lcd_write_data(lcd_framebuffer[y], LCD_WIDTH); | 511 | lcd_write_data(lcd_framebuffer[y], LCD_WIDTH); |
267 | } | 512 | } |
@@ -291,7 +536,7 @@ void lcd_update_rect(int x, int y, int width, int height) | |||
291 | COM48-COM63 are not connected, so we need to skip those */ | 536 | COM48-COM63 are not connected, so we need to skip those */ |
292 | for (; y <= ymax; y++) | 537 | for (; y <= ymax; y++) |
293 | { | 538 | { |
294 | lcd_write_command(LCD_SET_PAGE | ((y > 5 ? y + 2 : y) & 0xf)); | 539 | lcd_write_command(LCD_SET_PAGE | ((y > 5?y + 2:y) & 0xf)); |
295 | lcd_write_command_e(LCD_SET_COLUMN | ((x >> 4) & 0xf), x & 0xf); | 540 | lcd_write_command_e(LCD_SET_COLUMN | ((x >> 4) & 0xf), x & 0xf); |
296 | 541 | ||
297 | lcd_write_data(&lcd_framebuffer[y][x], width); | 542 | lcd_write_data(&lcd_framebuffer[y][x], width); |
@@ -302,23 +547,19 @@ void lcd_update_rect(int x, int y, int width, int height) | |||
302 | void lcd_set_invert_display(bool yesno) | 547 | void lcd_set_invert_display(bool yesno) |
303 | { | 548 | { |
304 | cached_invert = yesno; | 549 | cached_invert = yesno; |
305 | if (initialized) | 550 | if(initialized) |
306 | lcd_write_command(LCD_REVERSE | yesno); | 551 | lcd_write_command(LCD_REVERSE | yesno); |
307 | } | 552 | } |
308 | 553 | ||
309 | void lcd_set_flip(bool yesno) | 554 | void lcd_set_flip(bool yesno) |
310 | { | 555 | { |
311 | cached_flip = yesno; | 556 | cached_flip = yesno; |
312 | if (initialized) | 557 | if(initialized) { |
313 | { | 558 | if(yesno) { |
314 | if(yesno) | ||
315 | { | ||
316 | lcd_write_command(LCD_SELECT_ADC | 0); | 559 | lcd_write_command(LCD_SELECT_ADC | 0); |
317 | lcd_write_command(LCD_SELECT_SHL | 0); | 560 | lcd_write_command(LCD_SELECT_SHL | 0); |
318 | lcd_write_command_e(LCD_SET_COM0, 16); | 561 | lcd_write_command_e(LCD_SET_COM0, 16); |
319 | } | 562 | } else { |
320 | else | ||
321 | { | ||
322 | lcd_write_command(LCD_SELECT_ADC | 1); | 563 | lcd_write_command(LCD_SELECT_ADC | 1); |
323 | lcd_write_command(LCD_SELECT_SHL | 8); | 564 | lcd_write_command(LCD_SELECT_SHL | 8); |
324 | lcd_write_command_e(LCD_SET_COM0, 0); | 565 | lcd_write_command_e(LCD_SET_COM0, 0); |