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Reverted the H300 LCD DMA patch, since it iterfered with the recording DMA

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8279 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-12-22 09:33:39 +00:00
parent bd544b6c20
commit 9d67765cae
1 changed files with 5 additions and 16 deletions
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21
firmware/drivers/lcd-h300.c
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@ -89,20 +89,12 @@ inline void lcd_begin_write_gram(void)
*(volatile unsigned short *)0xf0000000 = R_WRITE_DATA_2_GRAM;
}
void lcd_write_data(const unsigned short* p_bytes, int count) ICODE_ATTR;
void lcd_write_data(const unsigned short* p_bytes, int count)
/* called very frequently - inline! */
inline void lcd_write_data(const unsigned short* p_bytes, int count) ICODE_ATTR;
inline void lcd_write_data(const unsigned short* p_bytes, int count)
{
SAR1 = (unsigned long)p_bytes; /* Destination address */
while(count)
{
int cnt = MIN(count, 256);
DAR1 = (unsigned long)0xf0000002; /* Destination address */
BCR1 = cnt*2; /* Bytes to transfer */
DCR1 = 0x02000000 | DMA_SINC | (2 << 20) | (2 << 17) | DMA_START;
while(!(DSR1 & 1)) {};
DSR1 = 1;
count -= cnt;
}
while(count--)
*(volatile unsigned short *)0xf0000002 = *p_bytes++;
}
/*** hardware configuration ***/
@ -139,9 +131,6 @@ void lcd_roll(int lines)
/* LCD init */
void lcd_init_device(void)
{
MPARK = 0x81; /* PARK[1,0]=10 + BCR24BIT */
DSR1 = 1;
/* GPO46 is LCD RESET */
or_l(0x00004000, &GPIO1_OUT);
or_l(0x00004000, &GPIO1_ENABLE);