mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-29 05:15:20 +02:00
dc3d3f1c49
it's basically also provided by ingenic and nativly based on 2.6.27, adjusted to fit into the OpenWrt-environment
383 lines
11 KiB
C
383 lines
11 KiB
C
/* Set registers of smart lcd acording to the following routines
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* Note: BUS width and CMD width and register value width
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* This example: BUS is 8, 9, 16 or 18-bit; CMD and DATA is 16-bit
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* Configure SLCD module to initialize smart lcd registers
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switch (bus) {
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case 8:
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REG_SLCD_CFG = SLCD_CFG_BURST_8_WORD | SLCD_CFG_DWIDTH_8_x2
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| SLCD_CFG_CWIDTH_8BIT | SLCD_CFG_CS_ACTIVE_LOW
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| SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING
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| SLCD_CFG_TYPE_PARALLEL;
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__gpio_as_slcd_8bit();
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break;
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case 9:
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REG_SLCD_CFG = SLCD_CFG_BURST_8_WORD | SLCD_CFG_DWIDTH_8_x2
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| SLCD_CFG_CWIDTH_8BIT | SLCD_CFG_CS_ACTIVE_LOW
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| SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING
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| SLCD_CFG_TYPE_PARALLEL;
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__gpio_as_slcd_9bit();
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break;
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case 16:
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REG_SLCD_CFG = SLCD_CFG_BURST_8_WORD | SLCD_CFG_DWIDTH_16
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| SLCD_CFG_CWIDTH_16BIT | SLCD_CFG_CS_ACTIVE_LOW
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| SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING
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| SLCD_CFG_TYPE_PARALLEL;
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__gpio_as_slcd_16bit();
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break;
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case 18:
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REG_SLCD_CFG = SLCD_CFG_BURST_8_WORD | SLCD_CFG_DWIDTH_18
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| SLCD_CFG_CWIDTH_18BIT | SLCD_CFG_CS_ACTIVE_LOW
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| SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING
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| SLCD_CFG_TYPE_PARALLEL;
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__gpio_as_slcd_18bit();
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break;
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}
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static void Mcupanel_RegSet(unsigned int cmd, unsigned int data)
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{
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switch (bus) {
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case 8:
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff00) >> 8);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff) >> 0);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_DATA | (data&0xffff);
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break;
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case 9:
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data = ((data & 0xff) << 1) | ((data & 0xff00) << 2);
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data = ((data << 6) & 0xfc0000) | ((data << 4) & 0xfc00) | ((data << 2) & 0xfc);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff00) >> 8);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff) >> 0);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_DATA | data;
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break;
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case 16:
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | (cmd&0xffff);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_DATA | (data&0xffff);
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break;
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case 18:
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cmd = ((cmd & 0xff) << 1) | ((cmd & 0xff00) << 2);
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data = ((data & 0xff) << 1) | ((data & 0xff00) << 2);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | cmd;
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_DATA | ((data<<6)&0xfc0000)|((data<<4)&0xfc00) | ((data<<2)&0xfc);
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break;
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default:
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printk("Don't support %d bit Bus\n", jzfb.bus );
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break;
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}
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}
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static void Mcupanel_Command(unsigned int cmd) {
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switch (bus) {
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case 8:
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case 9:
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff00) >> 8);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff) >> 0);
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break;
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case 16:
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | (cmd&0xffff);
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break;
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case 18:
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff00) << 2) | ((cmd&0xff) << 1);
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break;
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default:
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printk("Don't support %d bit Bus\n", jzfb.bus );
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break;
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}
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}
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*Display----------------------------------------
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Note: BUS and BPP, send data to gram data register to display
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BUS: 8, 9, 16 or 18-bit; BPP: 8, 16, 18-bit
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switch (bus) {
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case 8:
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switch (bpp) {
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case 8:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x1;
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break;
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case 15:
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case 16:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x2;
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break;
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case 17 ... 32:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x3;
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break;
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default:
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printk("The BPP %d is not supported\n", jzfb.bpp);
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break;
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}
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break;
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case 9:
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switch (bpp) {
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case 8:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x1;
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break;
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case 15 ... 16:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x2;
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break;
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case 17 ... 32:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_9_x2;
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break;
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default:
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printk("The BPP %d is not supported\n", jzfb.bpp);
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break;
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}
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break;
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case 16:
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switch (bpp) {
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case 8:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x1;
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break;
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case 15 ... 16:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_16;
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break;
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case 17 ... 32:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x3;
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break;
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default:
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printk("The BPP %d is not supported\n", jzfb.bpp);
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break;
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}
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break;
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case 18:
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switch (bpp) {
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case 8:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_8_x1;
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break;
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case 15:
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case 16:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_16;
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break;
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case 17 ... 32:
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REG_SLCD_CFG &= ~SLCD_CFG_DWIDTH_MASK;
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REG_SLCD_CFG |= SLCD_CFG_DWIDTH_18;
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break;
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default:
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printk("The BPP %d is not supported\n", jzfb.bpp);
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break;
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}
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break;
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default:
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printk("Error: The BUS %d is not supported\n", jzfb.bus);
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break;
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}
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dprintk("SLCD_CFG=0x%x\n", REG_SLCD_CFG);
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}
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************************************************************************************************/
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#ifndef __JZ_KGM_SPF5420A_H__
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#define __JZ_KGM_SPF5420A_H__
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#include <asm/jzsoc.h>
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#if defined(CONFIG_JZ4750_SLCD_KGM701A3_TFT_SPFD5420A)
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#define WR_GRAM_CMD 0x0202
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#if defined(CONFIG_JZ4750_FUWA)
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#define PIN_CS_N (32*3+24) // Chip select //GPD24;
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#define PIN_RESET_N (32*5+6) /* LCD_REV GPF6 */
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#else
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#error "Define special lcd pins for your platform."
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#endif
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/* Sent a command with data (18-bit bus, 16-bit index, 16-bit register value) */
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static void Mcupanel_RegSet(unsigned int cmd, unsigned int data)
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{
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cmd = ((cmd & 0xff) << 1) | ((cmd & 0xff00) << 2);
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data = ((data & 0xff) << 1) | ((data & 0xff00) << 2);
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data = ((data<<6)&0xfc0000)|((data<<4)&0xfc00) | ((data<<2)&0xfc);
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | cmd;
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_DATA | data;
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}
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/* Sent a command without data (18-bit bus, 16-bit index) */
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static void Mcupanel_Command(unsigned int cmd) {
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while (REG_SLCD_STATE & SLCD_STATE_BUSY);
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REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | ((cmd&0xff00) << 2) | ((cmd&0xff) << 1);
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}
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/* Set the start address of screen, for example (0, 0) */
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void Mcupanel_SetAddr(u32 x, u32 y) //u32
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{
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Mcupanel_RegSet(0x200,x) ;
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udelay(1);
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Mcupanel_RegSet(0x201,y) ;
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udelay(1);
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Mcupanel_Command(0x202);
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}
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#undef __lcd_special_pin_init
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#define __lcd_special_pin_init() \
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do { \
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__gpio_as_output(PIN_CS_N); \
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__gpio_as_output(PIN_RESET_N); \
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__gpio_clear_pin(PIN_CS_N); /* Clear CS */ \
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mdelay(100); \
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__gpio_set_pin(PIN_RESET_N); \
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mdelay(10); \
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__gpio_clear_pin(PIN_RESET_N); \
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mdelay(10); \
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__gpio_set_pin(PIN_RESET_N); \
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mdelay(100); \
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} while(0)
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#define GAMMA() \
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do { \
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Mcupanel_RegSet(0x0300,0x0101); \
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Mcupanel_RegSet(0x0301,0x0b27); \
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Mcupanel_RegSet(0x0302,0x132a); \
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Mcupanel_RegSet(0x0303,0x2a13); \
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Mcupanel_RegSet(0x0304,0x270b); \
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Mcupanel_RegSet(0x0305,0x0101); \
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Mcupanel_RegSet(0x0306,0x1205); \
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Mcupanel_RegSet(0x0307,0x0512); \
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Mcupanel_RegSet(0x0308,0x0005); \
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Mcupanel_RegSet(0x0309,0x0003); \
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Mcupanel_RegSet(0x030a,0x0f04); \
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Mcupanel_RegSet(0x030b,0x0f00); \
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Mcupanel_RegSet(0x030c,0x000f); \
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Mcupanel_RegSet(0x030d,0x040f); \
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Mcupanel_RegSet(0x030e,0x0300); \
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Mcupanel_RegSet(0x030f,0x0500); \
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/*** secorrect gamma2 ***/ \
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Mcupanel_RegSet(0x0400,0x3500); \
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Mcupanel_RegSet(0x0401,0x0001); \
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Mcupanel_RegSet(0x0404,0x0000); \
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Mcupanel_RegSet(0x0500,0x0000); \
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Mcupanel_RegSet(0x0501,0x0000); \
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Mcupanel_RegSet(0x0502,0x0000); \
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Mcupanel_RegSet(0x0503,0x0000); \
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Mcupanel_RegSet(0x0504,0x0000); \
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Mcupanel_RegSet(0x0505,0x0000); \
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Mcupanel_RegSet(0x0600,0x0000); \
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Mcupanel_RegSet(0x0606,0x0000); \
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Mcupanel_RegSet(0x06f0,0x0000); \
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Mcupanel_RegSet(0x07f0,0x5420); \
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Mcupanel_RegSet(0x07f3,0x288a); \
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Mcupanel_RegSet(0x07f4,0x0022); \
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Mcupanel_RegSet(0x07f5,0x0001); \
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Mcupanel_RegSet(0x07f0,0x0000); \
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} while(0)
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#define SlcdInit() \
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do { \
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__gpio_set_pin(PIN_RESET_N); \
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mdelay(10); \
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__gpio_clear_pin(PIN_RESET_N); \
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mdelay(10); \
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__gpio_set_pin(PIN_RESET_N); \
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mdelay(100); \
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Mcupanel_RegSet(0x0600, 0x0001); /*soft reset*/ \
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mdelay(10); \
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Mcupanel_RegSet(0x0600, 0x0000); /*soft reset*/ \
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mdelay(10); \
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Mcupanel_RegSet(0x0606,0x0000); \
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udelay(10); \
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Mcupanel_RegSet(0x0007,0x0001); \
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udelay(10); \
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Mcupanel_RegSet(0x0110,0x0001); \
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udelay(10); \
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Mcupanel_RegSet(0x0100,0x17b0); \
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Mcupanel_RegSet(0x0101,0x0147); \
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Mcupanel_RegSet(0x0102,0x019d); \
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Mcupanel_RegSet(0x0103,0x8600); \
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Mcupanel_RegSet(0x0281,0x0010); \
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udelay(10); \
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Mcupanel_RegSet(0x0102,0x01bd); \
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udelay(10); \
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/************initial************/\
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Mcupanel_RegSet(0x0000,0x0000); \
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Mcupanel_RegSet(0x0001,0x0000); \
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Mcupanel_RegSet(0x0002,0x0400); \
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Mcupanel_RegSet(0x0003,0x12b8); /*up:0x1288 down:0x12B8 left:0x1290 right:0x12A0*/ \
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Mcupanel_RegSet(0x0006,0x0000); \
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Mcupanel_RegSet(0x0008,0x0503); \
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Mcupanel_RegSet(0x0009,0x0001); \
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Mcupanel_RegSet(0x000b,0x0010); \
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Mcupanel_RegSet(0x000c,0x0000); \
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Mcupanel_RegSet(0x000f,0x0000); \
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Mcupanel_RegSet(0x0007,0x0001); \
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Mcupanel_RegSet(0x0010,0x0010); \
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Mcupanel_RegSet(0x0011,0x0202); \
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Mcupanel_RegSet(0x0012,0x0300); \
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Mcupanel_RegSet(0x0020,0x021e); \
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Mcupanel_RegSet(0x0021,0x0202); \
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Mcupanel_RegSet(0x0022,0x0100); \
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Mcupanel_RegSet(0x0090,0x0000); \
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Mcupanel_RegSet(0x0092,0x0000); \
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Mcupanel_RegSet(0x0100,0x16b0); \
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Mcupanel_RegSet(0x0101,0x0147); \
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Mcupanel_RegSet(0x0102,0x01bd); \
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Mcupanel_RegSet(0x0103,0x2c00); \
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Mcupanel_RegSet(0x0107,0x0000); \
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Mcupanel_RegSet(0x0110,0x0001); \
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Mcupanel_RegSet(0x0210,0x0000); \
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Mcupanel_RegSet(0x0211,0x00ef); \
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Mcupanel_RegSet(0x0212,0x0000); \
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Mcupanel_RegSet(0x0213,0x018f); \
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Mcupanel_RegSet(0x0280,0x0000); \
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Mcupanel_RegSet(0x0281,0x0001); \
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Mcupanel_RegSet(0x0282,0x0000); \
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GAMMA(); \
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Mcupanel_RegSet(0x0007,0x0173); \
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Mcupanel_Command(0x0202); /*Write Data to GRAM */ \
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udelay(10);\
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Mcupanel_SetAddr(0,0);\
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udelay(100);\
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} while(0)
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/*---- LCD Initial ----*/
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#undef __lcd_slcd_pin_init
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#define __lcd_slcd_pin_init() \
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do { \
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__lcd_special_pin_init(); \
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}while (0)
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#undef __lcd_slcd_special_on
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#define __lcd_slcd_special_on() \
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do { \
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__lcd_slcd_pin_init(); \
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SlcdInit(); \
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REG_SLCD_CTRL |= SLCD_CTRL_DMA_EN; /* slcdc dma enable */ \
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} while (0)
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#define __init_slcd_bus()\
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do{\
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__slcd_set_data_18bit();\
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__slcd_set_cmd_18bit();\
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__slcd_set_cs_low();\
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__slcd_set_rs_low();\
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__slcd_set_clk_falling();\
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__slcd_set_parallel_type();\
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}while(0)
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#endif /* #if CONFIG_JZ4750_SLCD_KGM701A3_TFT_SPFD5420A */
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#endif /* __JZ_KGM_SPF5420A_H__ */
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