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annotate src/cs/drivers/drv_app/r2d/lcds/c139/r2d_task_init_i.c @ 276:4221c724c664

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R2D: preparations for adding LCD hardware suspend handling
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 Sep 2021 21:05:38 +0000
parents 502a0a3f6a49
children
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1 #include "r2d/lcds/c139/colors.h"
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3 #define R2D_MB_PRIM_SIZE 4000
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5 extern void c139_lcd_ctrl_cmd(UINT8 cmd, UINT8 param);
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6 extern void c139_set_lcd_addr_region(UINT8 xstart, UINT8 xend,
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7 UINT8 ystart, UINT8 yend);
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8 extern void c139_lcd_send_pix(UINT16 pixval);
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10 void uwire_init_lcd(void)
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11 {
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12 * ( UINT16 *) CNTL_RST &= ~(0x04); // releases reset_out
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13 * ( UINT16 *) CNTL_RST |= (0x04); // set reset_out to 0
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14 rvf_delay(RVF_MS_TO_TICKS(5)); // waits for 5 ms
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15 * ( UINT16 *) CNTL_RST &= ~(0x04); // releases reset_out
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17 * (volatile UINT16 *) SR1 = CS0_FRQ_FINT_2;
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18 * (volatile UINT16 *) SR3 = SR3_CLK_EN; // enables the uwire clock
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19 * (volatile UINT16 *) CSR = INDEX_CS0; // selects CS0
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20 }
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22 static void r2d_refresh_task_init(void)
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23 {
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24 UINT16 i;
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26 uwire_init_lcd();
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27 rvf_delay(RVF_MS_TO_TICKS(5)); // waits for 5 ms
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29 /* LCD controller init */
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30 c139_lcd_ctrl_cmd(0x3F, 0x01);
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31 c139_lcd_ctrl_cmd(0x20, 0x03);
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32 c139_lcd_ctrl_cmd(0x31, 0x03);
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34 /* initial hw framebuffer clearing */
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35 c139_set_lcd_addr_region(0, 95, 0, 63);
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36 for (i = 0; i < 96 * 64; i++)
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37 c139_lcd_send_pix(LCD16_COLOR_WHITE);
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38 }
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40 static void r2d_refresh_task_kill(void)
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41 {
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42 }
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44 static void r2d_dithering_init(void)
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45 {
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46 R2D_MALLOC(r2d_mb_id,UINT32,sizeof(UINT32)*4,r2d_g_dithering_matrix);
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47 r2d_g_dithering_matrix[0]=0;
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48 r2d_g_dithering_matrix[1]=2;
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49 r2d_g_dithering_matrix[2]=3;
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50 r2d_g_dithering_matrix[3]=1;
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51 }