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Diffstat (limited to 'firmware/target/arm/imx233/lcdif-imx233.c')
-rw-r--r--firmware/target/arm/imx233/lcdif-imx233.c79
1 files changed, 29 insertions, 50 deletions
diff --git a/firmware/target/arm/imx233/lcdif-imx233.c b/firmware/target/arm/imx233/lcdif-imx233.c
index ad0931de40..f947fa69f1 100644
--- a/firmware/target/arm/imx233/lcdif-imx233.c
+++ b/firmware/target/arm/imx233/lcdif-imx233.c
@@ -21,30 +21,29 @@
21#include "lcdif-imx233.h" 21#include "lcdif-imx233.h"
22 22
23static unsigned lcdif_word_length = 0; 23static unsigned lcdif_word_length = 0;
24static unsigned lcdif_byte_packing = 0;
25 24
26void imx233_lcdif_enable_underflow_recover(bool enable) 25void imx233_lcdif_enable_underflow_recover(bool enable)
27{ 26{
28 if(enable) 27 if(enable)
29 __REG_SET(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__RECOVER_ON_UNDERFLOW; 28 BF_SET(LCDIF_CTRL1, RECOVER_ON_UNDERFLOW);
30 else 29 else
31 __REG_CLR(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__RECOVER_ON_UNDERFLOW; 30 BF_CLR(LCDIF_CTRL1, RECOVER_ON_UNDERFLOW);
32} 31}
33 32
34void imx233_lcdif_enable_bus_master(bool enable) 33void imx233_lcdif_enable_bus_master(bool enable)
35{ 34{
36 if(enable) 35 if(enable)
37 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__LCDIF_MASTER; 36 BF_SET(LCDIF_CTRL, LCDIF_MASTER);
38 else 37 else
39 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__LCDIF_MASTER; 38 BF_CLR(LCDIF_CTRL, LCDIF_MASTER);
40} 39}
41 40
42void imx233_lcdif_enable(bool enable) 41void imx233_lcdif_enable(bool enable)
43{ 42{
44 if(enable) 43 if(enable)
45 __REG_CLR(HW_LCDIF_CTRL) = __BLOCK_CLKGATE; 44 BF_CLR(LCDIF_CTRL, CLKGATE);
46 else 45 else
47 __REG_SET(HW_LCDIF_CTRL) = __BLOCK_CLKGATE; 46 BF_SET(LCDIF_CTRL, CLKGATE);
48} 47}
49 48
50void imx233_lcdif_reset(void) 49void imx233_lcdif_reset(void)
@@ -55,64 +54,45 @@ void imx233_lcdif_reset(void)
55void imx233_lcdif_set_timings(unsigned data_setup, unsigned data_hold, 54void imx233_lcdif_set_timings(unsigned data_setup, unsigned data_hold,
56 unsigned cmd_setup, unsigned cmd_hold) 55 unsigned cmd_setup, unsigned cmd_hold)
57{ 56{
58 HW_LCDIF_TIMING = (data_setup << HW_LCDIF_TIMING__DATA_SETUP_BP) | 57 HW_LCDIF_TIMING = BF_OR4(LCDIF_TIMING, DATA_SETUP(data_setup),
59 (data_hold << HW_LCDIF_TIMING__DATA_HOLD_BP) | 58 DATA_HOLD(data_hold), CMD_SETUP(cmd_setup), CMD_HOLD(cmd_hold));
60 (cmd_setup << HW_LCDIF_TIMING__CMD_SETUP_BP) |
61 (cmd_hold << HW_LCDIF_TIMING__CMD_HOLD_BP);
62} 59}
63 60
64void imx233_lcdif_set_lcd_databus_width(unsigned width) 61void imx233_lcdif_set_lcd_databus_width(unsigned width)
65{ 62{
66 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__LCD_DATABUS_WIDTH_BM; 63 BF_WR(LCDIF_CTRL, LCD_DATABUS_WIDTH, width);
67 __REG_SET(HW_LCDIF_CTRL) = width;
68} 64}
69 65
70void imx233_lcdif_set_word_length(unsigned word_length) 66void imx233_lcdif_set_word_length(unsigned word_length)
71{ 67{
72 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__WORD_LENGTH_BM; 68 BF_WR(LCDIF_CTRL, WORD_LENGTH, word_length);
73 __REG_SET(HW_LCDIF_CTRL) = word_length;
74 lcdif_word_length = word_length; 69 lcdif_word_length = word_length;
75} 70}
76 71
77unsigned imx233_lcdif_enable_irqs(unsigned irq_bm)
78{
79 unsigned old_msk = __XTRACT(HW_LCDIF_CTRL1, IRQ_EN);
80 /* clear irq status */
81 __REG_CLR(HW_LCDIF_CTRL1) = irq_bm << HW_LCDIF_CTRL1__IRQ_BP;
82 /* disable irqs */
83 __REG_CLR(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__IRQ_EN_BM;
84 /* enable irqs */
85 __REG_SET(HW_LCDIF_CTRL1) = irq_bm << HW_LCDIF_CTRL1__IRQ_EN_BP;
86
87 return old_msk;
88}
89
90void imx233_lcdif_set_byte_packing_format(unsigned byte_packing) 72void imx233_lcdif_set_byte_packing_format(unsigned byte_packing)
91{ 73{
92 __REG_CLR(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__BYTE_PACKING_FORMAT_BM; 74 BF_WR(LCDIF_CTRL1, BYTE_PACKING_FORMAT, byte_packing);
93 __REG_SET(HW_LCDIF_CTRL1) = byte_packing << HW_LCDIF_CTRL1__BYTE_PACKING_FORMAT_BP;
94 lcdif_byte_packing = byte_packing;
95} 75}
96 76
97void imx233_lcdif_set_data_format(bool data_fmt_16, bool data_fmt_18, bool data_fmt_24) 77void imx233_lcdif_set_data_format(bool data_fmt_16, bool data_fmt_18, bool data_fmt_24)
98{ 78{
99 if(data_fmt_16) 79 if(data_fmt_16)
100 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_FORMAT_16_BIT; 80 BF_SET(LCDIF_CTRL, DATA_FORMAT_16_BIT);
101 else 81 else
102 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_FORMAT_16_BIT; 82 BF_CLR(LCDIF_CTRL, DATA_FORMAT_16_BIT);
103 if(data_fmt_18) 83 if(data_fmt_18)
104 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_FORMAT_18_BIT; 84 BF_SET(LCDIF_CTRL, DATA_FORMAT_18_BIT);
105 else 85 else
106 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_FORMAT_18_BIT; 86 BF_CLR(LCDIF_CTRL, DATA_FORMAT_18_BIT);
107 if(data_fmt_24) 87 if(data_fmt_24)
108 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_FORMAT_24_BIT; 88 BF_SET(LCDIF_CTRL, DATA_FORMAT_24_BIT);
109 else 89 else
110 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_FORMAT_24_BIT; 90 BF_CLR(LCDIF_CTRL, DATA_FORMAT_24_BIT);
111} 91}
112 92
113void imx233_lcdif_wait_ready(void) 93void imx233_lcdif_wait_ready(void)
114{ 94{
115 while(HW_LCDIF_CTRL & HW_LCDIF_CTRL__RUN); 95 while(BF_RD(LCDIF_CTRL, RUN));
116} 96}
117 97
118void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf) 98void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf)
@@ -120,10 +100,9 @@ void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf)
120 unsigned max_xfer_size = 0xffff; 100 unsigned max_xfer_size = 0xffff;
121 if(len == 0) 101 if(len == 0)
122 return; 102 return;
123 if(lcdif_word_length == HW_LCDIF_CTRL__WORD_LENGTH_16_BIT) 103 if(lcdif_word_length == BV_LCDIF_CTRL_WORD_LENGTH__16_BIT)
124 max_xfer_size = 0x1fffe; 104 max_xfer_size = 0x1fffe;
125 imx233_lcdif_wait_ready(); 105 imx233_lcdif_wait_ready();
126 unsigned msk = imx233_lcdif_enable_irqs(0);
127 imx233_lcdif_enable_bus_master(false); 106 imx233_lcdif_enable_bus_master(false);
128 107
129 do 108 do
@@ -131,7 +110,7 @@ void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf)
131 unsigned burst = MIN(len, max_xfer_size); 110 unsigned burst = MIN(len, max_xfer_size);
132 len -= burst; 111 len -= burst;
133 unsigned count = burst; 112 unsigned count = burst;
134 if(lcdif_word_length != HW_LCDIF_CTRL__WORD_LENGTH_8_BIT) 113 if(lcdif_word_length != BV_LCDIF_CTRL_WORD_LENGTH__8_BIT)
135 { 114 {
136 if(burst & 1) 115 if(burst & 1)
137 burst++; 116 burst++;
@@ -141,20 +120,20 @@ void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf)
141 count = burst; 120 count = burst;
142 HW_LCDIF_TRANSFER_COUNT = 0; 121 HW_LCDIF_TRANSFER_COUNT = 0;
143 HW_LCDIF_TRANSFER_COUNT = 0x10000 | count; 122 HW_LCDIF_TRANSFER_COUNT = 0x10000 | count;
144 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_SELECT | HW_LCDIF_CTRL__RUN; 123 BF_CLR(LCDIF_CTRL, DATA_SELECT);
124 BF_CLR(LCDIF_CTRL, RUN);
145 if(data_mode) 125 if(data_mode)
146 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_SELECT; 126 BF_SET(LCDIF_CTRL, DATA_SELECT);
147 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__RUN; 127 BF_SET(LCDIF_CTRL, RUN);
148 burst = (burst + 3) / 4; 128 burst = (burst + 3) / 4;
149 while(burst-- > 0) 129 while(burst-- > 0)
150 { 130 {
151 while(HW_LCDIF_STAT & HW_LCDIF_STAT__LFIFO_FULL); 131 while(BF_RD(LCDIF_STAT, LFIFO_FULL));
152 HW_LCDIF_DATA = *buf++; 132 HW_LCDIF_DATA = *buf++;
153 } 133 }
154 while(HW_LCDIF_CTRL & HW_LCDIF_CTRL__RUN); 134 imx233_lcdif_wait_ready();
155 }while(len > 0); 135 }while(len > 0);
156 imx233_lcdif_enable_bus_master(true); 136 imx233_lcdif_enable_bus_master(true);
157 imx233_lcdif_enable_irqs(msk);
158} 137}
159 138
160void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height) 139void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height)
@@ -162,7 +141,7 @@ void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height)
162 HW_LCDIF_CUR_BUF = (uint32_t)buf; 141 HW_LCDIF_CUR_BUF = (uint32_t)buf;
163 HW_LCDIF_TRANSFER_COUNT = 0; 142 HW_LCDIF_TRANSFER_COUNT = 0;
164 HW_LCDIF_TRANSFER_COUNT = (height << 16) | width; 143 HW_LCDIF_TRANSFER_COUNT = (height << 16) | width;
165 __REG_CLR(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__RUN; 144 BF_CLR(LCDIF_CTRL, RUN);
166 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__DATA_SELECT; 145 BF_SET(LCDIF_CTRL, DATA_SELECT);
167 __REG_SET(HW_LCDIF_CTRL) = HW_LCDIF_CTRL__RUN; 146 BF_SET(LCDIF_CTRL, RUN);
168} 147}