Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 |
diff --git a/firmware/target/arm/as3525/lcd-as-e200v2-fuze.S b/firmware/target/arm/as3525/lcd-as-e200v2-fuze.S index 71d997d..e0a3cc4 100644 @@ -51,7 +51,7 @@ lcd_write_yuv420_lines: @ r0 = yuv_src @ r1 = width @ r2 = stride - stmfd sp!, { r4-r10, lr } @ save non-scratch + stmfd sp!, { r4-r11, lr } @ save non-scratch ldmia r0, { r4, r5, r6 } @ r4 = yuv_src[0] = Y'_p @ r5 = yuv_src[1] = Cb_p @ r6 = yuv_src[2] = Cr_p @@ -59,6 +59,9 @@ lcd_write_yuv420_lines: sub r2, r2, #1 @ mov r3, #0xC8000000 @ orr r3, r3, #0x120000 @ r3 = DBOP_BASE + ldr r12, [r3, #0x8] @ r11 = DBOP_CTRL + orr r12, r12, #(1<<12|1<<13|1<<14) @ set output width to 32bit + str r12, [r3, #0x8] @ write back 10: @ loop line @ ldrb r7, [r4], #1 @ r7 = *Y'_p++; ldrb r8, [r5], #1 @ r8 = *Cb_p++; @@ -110,11 +113,7 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + mov r11, r0 @ save pixel, is getting written later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 add r12, r7, r7, asl #2 @ @@ -143,11 +142,8 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + orr r11, r11, r0, lsl #16 @ get saved pixel + str r11, [r3, #0x10] @ write pixels @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 add r12, r7, r7, asl #2 @ @@ -177,11 +173,7 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + mov r11, r0 @ save pixel, is getting written later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 add r12, r7, r7, asl #2 @ @@ -204,12 +196,13 @@ lcd_write_yuv420_lines: cmp r7, #63 @ clamp g mvnhi r7, r7, asr #31 @ andhi r7, r7, #63 @ -15: @ no clamp @ - @ +15: @ no clamp @ + @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ + orr r11, r11, r0, lsl #16 @ get saved pixel + str r11, [r3, #0x10] @ write pixels +1: @ busy @ ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS tst r7, #DBOP_BUSY @ fifo not empty? beq 1b @ @@ -217,7 +210,7 @@ lcd_write_yuv420_lines: subs r1, r1, #2 @ subtract block from width bgt 10b @ loop line @ @ - ldmfd sp!, { r4-r10, pc } @ restore registers and return + ldmfd sp!, { r4-r11, pc } @ restore registers and return bx lr @ .ltorg @ dump constant pool .size lcd_write_yuv420_lines, .-lcd_write_yuv420_lines @@ -270,6 +263,10 @@ lcd_write_yuv420_lines_odither: mov r14, r14, lsl #6 @ 0x00 or 0x80 mov r3, #0xC8000000 @ orr r3, r3, #0x120000 @ r3 = DBOP_BASE + ldr r12, [r3, #0x8] @ r12 = DBOP_CTRL + orr r12, r12, #(1<<12|1<<13|1<<14) @ set output width to 32bit + str r12, [r3, #0x8] @ write back + 10: @ loop line @ @ ldrb r7, [r4], #1 @ r7 = *Y'_p++; @@ -340,11 +337,7 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + mov r3, r0 @ store pixel for later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 add r12, r7, r7, asl #2 @ @@ -389,11 +382,10 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + orr r3, r3, r0, lsl #16 + mov r0, #0xC8000000 @ + orr r0, r0, #0x120000 @ r3 = DBOP_BASE + str r3, [r0, #0x10] @ write pixel @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 add r12, r7, r7, asl #2 @ @@ -440,11 +432,7 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + mov r3, r0 @ store pixel for later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 add r12, r7, r7, asl #2 @ @@ -487,7 +475,10 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel + orr r3, r3, r0, lsl #16 + mov r0, #0xC8000000 @ + orr r0, r0, #0x120000 @ r3 = DBOP_BASE + str r3, [r0, #0x10] @ write pixel 1: @ busy @ ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS tst r7, #DBOP_BUSY @ fifo not empty? |
