From 1ba5ef716d37a9fe7f0863caed2fab8570b2c7c4 Mon Sep 17 00:00:00 2001 From: Cástor Muñoz Date: Fri, 3 Mar 2017 22:46:57 +0100 Subject: ipod6g: rename some target files As preparation to add new targets to the s5l8702 directory, rename files as: s5l8702/ipod6g/*-ipod6g.c -> s5l8702/ipod6g/*-6g.c Change-Id: I0cd03d6bcf39b2aa198235f9014cb6948bbafcd5 --- firmware/target/arm/s5l8702/ipod6g/lcd-6g.c | 578 ++++++++++++++++++++++++++++ 1 file changed, 578 insertions(+) create mode 100644 firmware/target/arm/s5l8702/ipod6g/lcd-6g.c (limited to 'firmware/target/arm/s5l8702/ipod6g/lcd-6g.c') diff --git a/firmware/target/arm/s5l8702/ipod6g/lcd-6g.c b/firmware/target/arm/s5l8702/ipod6g/lcd-6g.c new file mode 100644 index 0000000000..14647a5697 --- /dev/null +++ b/firmware/target/arm/s5l8702/ipod6g/lcd-6g.c @@ -0,0 +1,578 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: lcd-nano2g.c 28868 2010-12-21 06:59:17Z Buschel $ + * + * Copyright (C) 2009 by Dave Chapman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" + +#include "hwcompat.h" +#include "kernel.h" +#include "lcd.h" +#include "system.h" +#include "cpu.h" +#include "pmu-target.h" +#include "power.h" +#include "string.h" +#include "dma-s5l8702.h" + + +#define R_HORIZ_GRAM_ADDR_SET 0x200 +#define R_VERT_GRAM_ADDR_SET 0x201 +#define R_WRITE_DATA_TO_GRAM 0x202 +#define R_HORIZ_ADDR_START_POS 0x210 +#define R_HORIZ_ADDR_END_POS 0x211 +#define R_VERT_ADDR_START_POS 0x212 +#define R_VERT_ADDR_END_POS 0x213 + + +/* LCD type 1 register defines */ + +#define R_COLUMN_ADDR_SET 0x2a +#define R_ROW_ADDR_SET 0x2b +#define R_MEMORY_WRITE 0x2c + + +/** globals **/ + +int lcd_type; /* also needed in debug-s5l8702.c */ +static struct mutex lcd_mutex; +static uint16_t lcd_dblbuf[LCD_HEIGHT][LCD_WIDTH] CACHEALIGN_ATTR; +static bool lcd_ispowered; + +#define CMD 0 /* send command with N data */ +#define MREG 1 /* write multiple registers */ +#define SLEEP 2 +#define END 0xff + +#define CMD16(len) (CMD | ((len) << 8)) +#define MREG16(len) (MREG | ((len) << 8)) +#define SLEEP16(t) (SLEEP | ((t) << 8)) + +/* powersave sequences */ + +static const unsigned char lcd_sleep_seq_01[] = +{ + CMD, 0x28, 0, /* Display Off */ + SLEEP, 5, /* 50 ms */ + CMD, 0x10, 0, /* Sleep In Mode */ + SLEEP, 5, /* 50 ms */ + END +}; + +static const unsigned short lcd_enter_deepstby_seq_23[] = +{ + /* Display Off */ + MREG16(1), 0x007, 0x0172, + MREG16(1), 0x030, 0x03ff, + SLEEP16(9), + MREG16(1), 0x007, 0x0120, + MREG16(1), 0x030, 0x0000, + MREG16(1), 0x100, 0x0780, + MREG16(1), 0x007, 0x0000, + MREG16(1), 0x101, 0x0260, + MREG16(1), 0x102, 0x00a9, + SLEEP16(3), + MREG16(1), 0x100, 0x0700, + + /* Deep Standby Mode */ + MREG16(1), 0x100, 0x0704, + SLEEP16(5), + END +}; + +/* init sequences */ + +#ifdef HAVE_LCD_SLEEP +static const unsigned char lcd_awake_seq_01[] = +{ + CMD, 0x11, 0, /* Sleep Out Mode */ + SLEEP, 6, /* 60 ms */ + CMD, 0x29, 0, /* Display On */ + END +}; +#endif + +#if defined(HAVE_LCD_SLEEP) || defined(BOOTLOADER) +static const unsigned short lcd_init_seq_23[] = +{ + /* Display settings */ + MREG16(1), 0x008, 0x0808, + MREG16(7), 0x010, 0x0013, 0x0300, 0x0101, 0x0a03, 0x0a0e, 0x0a19, 0x2402, + MREG16(1), 0x018, 0x0001, + MREG16(1), 0x090, 0x0021, + + /* Gamma settings */ + MREG16(14), 0x300, 0x0307, 0x0003, 0x0402, 0x0303, 0x0300, 0x0407, 0x1c04, + 0x0307, 0x0003, 0x0402, 0x0303, 0x0300, 0x0407, 0x1c04, + MREG16(14), 0x310, 0x0707, 0x0407, 0x0306, 0x0303, 0x0300, 0x0407, 0x1c01, + 0x0707, 0x0407, 0x0306, 0x0303, 0x0300, 0x0407, 0x1c01, + MREG16(14), 0x320, 0x0206, 0x0102, 0x0404, 0x0303, 0x0300, 0x0407, 0x1c1f, + 0x0206, 0x0102, 0x0404, 0x0303, 0x0300, 0x0407, 0x1c1f, + + /* GRAM and Base Imagen settings (ili9326ds) */ + MREG16(2), 0x400, 0x001d, 0x0001, + MREG16(1), 0x205, 0x0060, + + /* Power settings */ + MREG16(1), 0x007, 0x0001, + MREG16(1), 0x031, 0x0071, + MREG16(1), 0x110, 0x0001, + MREG16(6), 0x100, 0x17b0, 0x0220, 0x00bd, 0x1500, 0x0103, 0x0105, + + /* Display On */ + MREG16(1), 0x007, 0x0021, + MREG16(1), 0x001, 0x0110, + MREG16(1), 0x003, 0x0230, + MREG16(1), 0x002, 0x0500, + MREG16(1), 0x007, 0x0031, + MREG16(1), 0x030, 0x0007, + SLEEP16(3), + MREG16(1), 0x030, 0x03ff, + SLEEP16(6), + MREG16(1), 0x007, 0x0072, + SLEEP16(15), + MREG16(1), 0x007, 0x0173, + END +}; +#endif /* HAVE_LCD_SLEEP || BOOTLOADER */ + +#ifdef BOOTLOADER +static const unsigned char lcd_init_seq_0[] = +{ + CMD, 0x11, 0, /* Sleep Out Mode */ + SLEEP, 0x03, /* 30 ms */ + CMD, 0x35, 1, 0x00, /* TEON (TBC) */ + CMD, 0x3a, 1, 0x06, /* COLMOD (TBC) */ + CMD, 0x36, 1, 0x00, /* MADCTR (TBC) */ + CMD, 0x13, 0, /* NORON: Normal Mode On (Partial + Mode Off, Scroll Mode Off) */ + CMD, 0x29, 0, /* Display On */ + END +}; + +static const unsigned char lcd_init_seq_1[] = +{ + CMD, 0xb0, 21, 0x3a, 0x3a, 0x80, 0x80, 0x0a, 0x0a, 0x0a, 0x0a, + 0x0a, 0x0a, 0x0a, 0x0a, 0x3c, 0x30, 0x0f, 0x00, + 0x01, 0x54, 0x06, 0x66, 0x66, + CMD, 0xb8, 1, 0xd8, + CMD, 0xb1, 30, 0x14, 0x59, 0x00, 0x15, 0x57, 0x27, 0x04, 0x85, + 0x14, 0x59, 0x00, 0x15, 0x57, 0x27, 0x04, 0x85, + 0x14, 0x09, 0x15, 0x57, 0x27, 0x04, 0x05, + 0x14, 0x09, 0x15, 0x57, 0x27, 0x04, 0x05, + CMD, 0xd2, 1, 0x01, + + /* Gamma settings (TBC) */ + CMD, 0xe0, 13, 0x00, 0x00, 0x00, 0x05, 0x0b, 0x12, 0x16, 0x1f, + 0x25, 0x22, 0x24, 0x29, 0x1c, + CMD, 0xe1, 13, 0x08, 0x01, 0x01, 0x06, 0x0b, 0x11, 0x15, 0x1f, + 0x27, 0x26, 0x29, 0x2f, 0x1e, + CMD, 0xe2, 13, 0x07, 0x01, 0x01, 0x05, 0x09, 0x0f, 0x13, 0x1e, + 0x26, 0x25, 0x28, 0x2e, 0x1e, + CMD, 0xe3, 13, 0x00, 0x00, 0x00, 0x05, 0x0b, 0x12, 0x16, 0x1f, + 0x25, 0x22, 0x24, 0x29, 0x1c, + CMD, 0xe4, 13, 0x08, 0x01, 0x01, 0x06, 0x0b, 0x11, 0x15, 0x1f, + 0x27, 0x26, 0x29, 0x2f, 0x1e, + CMD, 0xe5, 13, 0x07, 0x01, 0x01, 0x05, 0x09, 0x0f, 0x13, 0x1e, + 0x26, 0x25, 0x28, 0x2e, 0x1e, + + CMD, 0x3a, 1, 0x06, /* COLMOD (TBC) */ + CMD, 0xc2, 1, 0x00, /* Power Control 3 (TBC) */ + CMD, 0x35, 1, 0x00, /* TEON (TBC) */ + CMD, 0x11, 0, /* Sleep Out Mode */ + SLEEP, 0x06, /* 60 ms */ + CMD, 0x13, 0, /* NORON: Normal Mode On (Partial + Mode Off, Scroll Mode Off) */ + CMD, 0x29, 0, /* Display On */ + END +}; +#endif + +/* DMA configuration */ + +/* one single transfer at once, needed LLIs: + * screen_size / (DMAC_LLI_MAX_COUNT << swidth) = + * (320*240*2) / (4095*2) = 19 + */ +#define LCD_DMA_TSKBUF_SZ 1 /* N tasks, MUST be pow2 */ +#define LCD_DMA_LLIBUF_SZ 32 /* N LLIs, MUST be pow2 */ + +static struct dmac_tsk lcd_dma_tskbuf[LCD_DMA_TSKBUF_SZ]; +static struct dmac_lli volatile \ + lcd_dma_llibuf[LCD_DMA_LLIBUF_SZ] CACHEALIGN_ATTR; + +static struct dmac_ch lcd_dma_ch = { + .dmac = &s5l8702_dmac0, + .prio = DMAC_CH_PRIO(4), + .cb_fn = NULL, + + .tskbuf = lcd_dma_tskbuf, + .tskbuf_mask = LCD_DMA_TSKBUF_SZ - 1, + .queue_mode = QUEUE_NORMAL, + + .llibuf = lcd_dma_llibuf, + .llibuf_mask = LCD_DMA_LLIBUF_SZ - 1, + .llibuf_bus = DMAC_MASTER_AHB1, +}; + +static struct dmac_ch_cfg lcd_dma_ch_cfg = { + .srcperi = S5L8702_DMAC0_PERI_MEM, + .dstperi = S5L8702_DMAC0_PERI_LCD_WR, + .sbsize = DMACCxCONTROL_BSIZE_1, + .dbsize = DMACCxCONTROL_BSIZE_1, + .swidth = DMACCxCONTROL_WIDTH_16, + .dwidth = DMACCxCONTROL_WIDTH_16, + .sbus = DMAC_MASTER_AHB1, + .dbus = DMAC_MASTER_AHB1, + .sinc = DMACCxCONTROL_INC_ENABLE, + .dinc = DMACCxCONTROL_INC_DISABLE, + .prot = DMAC_PROT_CACH | DMAC_PROT_BUFF | DMAC_PROT_PRIV, + .lli_xfer_max_count = DMAC_LLI_MAX_COUNT, +}; + +static inline void s5l_lcd_write_reg(int cmd, unsigned int data) +{ + while (LCD_STATUS & 0x10); + LCD_WCMD = cmd; + + while (LCD_STATUS & 0x10); + /* 16-bit/1-transfer data format (ili9320ds s7.2.2) */ + LCD_WDATA = (data & 0x78ff) | + ((data & 0x0300) << 1) | ((data & 0x0400) << 5); +} + +static inline void s5l_lcd_write_cmd(unsigned short cmd) +{ + while (LCD_STATUS & 0x10); + LCD_WCMD = cmd; +} + +static inline void s5l_lcd_write_data(unsigned short data) +{ + while (LCD_STATUS & 0x10); + LCD_WDATA = data; +} + +static void lcd_run_seq8(const unsigned char *seq) +{ + int n; + + while (1) switch (*seq++) + { + case CMD: + s5l_lcd_write_cmd(*seq++); + n = *seq++; + while (n--) + s5l_lcd_write_data(*seq++); + break; + case SLEEP: + sleep(*seq++); + break; + case END: + default: + /* bye */ + return; + } +} + +static void lcd_run_seq16(const unsigned short *seq) +{ + int action, param; + unsigned short reg; + + while (1) + { + action = *seq & 0xff; + param = *seq++ >> 8; + + switch (action) + { + case MREG: + reg = *seq++; + while (param--) + s5l_lcd_write_reg(reg++, *seq++); + break; + case SLEEP: + sleep(param); + break; + case END: + default: + /* bye */ + return; + } + } +} + +/*** hardware configuration ***/ + +int lcd_default_contrast(void) +{ + return 0x1f; +} + +void lcd_set_contrast(int val) +{ + (void)val; +} + +void lcd_set_invert_display(bool yesno) +{ + (void)yesno; +} + +void lcd_set_flip(bool yesno) +{ + (void)yesno; +} + +bool lcd_active(void) +{ + return lcd_ispowered; +} + +void lcd_powersave(void) +{ + mutex_lock(&lcd_mutex); + + if (lcd_type & 2) + lcd_run_seq16(lcd_enter_deepstby_seq_23); + else + lcd_run_seq8(lcd_sleep_seq_01); + + /* mask lcd controller clock gate */ + PWRCON(0) |= (1 << CLOCKGATE_LCD); + + lcd_ispowered = false; + + mutex_unlock(&lcd_mutex); +} + +void lcd_shutdown(void) +{ + pmu_write(0x2b, 0); /* Kill the backlight, instantly. */ + pmu_write(0x29, 0); + + lcd_powersave(); +} + +#ifdef HAVE_LCD_SLEEP +void lcd_sleep(void) +{ + lcd_powersave(); +} + +void lcd_awake(void) +{ + mutex_lock(&lcd_mutex); + + /* unmask lcd controller clock gate */ + PWRCON(0) &= ~(1 << CLOCKGATE_LCD); + + if (lcd_type & 2) { + /* release from deep standby mode (ili9320ds s12.3) */ + for (int i = 0; i < 6; i++) { + s5l_lcd_write_cmd(0x000); + udelay(1000); + } + + lcd_run_seq16(lcd_init_seq_23); + } + else + lcd_run_seq8(lcd_awake_seq_01); + + lcd_ispowered = true; + + mutex_unlock(&lcd_mutex); + + send_event(LCD_EVENT_ACTIVATION, NULL); +} +#endif + +/* LCD init */ +void lcd_init_device(void) +{ + mutex_init(&lcd_mutex); + + /* unmask lcd controller clock gate */ + PWRCON(0) &= ~(1 << CLOCKGATE_LCD); + + /* Detect lcd type */ + lcd_type = (PDAT6 & 0x30) >> 4; + + while (!(LCD_STATUS & 0x2)); + LCD_CONFIG = 0x80100db0; + LCD_PHTIME = 0x33; + + /* Configure DMA channel */ + dmac_ch_init(&lcd_dma_ch, &lcd_dma_ch_cfg); + +#ifdef BOOTLOADER + switch (lcd_type) { + case 0: lcd_run_seq8(lcd_init_seq_0); break; + case 1: lcd_run_seq8(lcd_init_seq_1); break; + default: lcd_run_seq16(lcd_init_seq_23); break; + } +#endif + + lcd_ispowered = true; +} + +/*** Update functions ***/ + +static inline void lcd_write_pixel(fb_data pixel) +{ + mutex_lock(&lcd_mutex); + LCD_WDATA = pixel; + mutex_unlock(&lcd_mutex); +} + +/* Update the display. + This must be called after all other LCD functions that change the display. */ +void lcd_update(void) ICODE_ATTR; +void lcd_update(void) +{ + lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); +} + +/* Line write helper function. */ +extern void lcd_write_line(const fb_data *addr, + int pixelcount, + const unsigned int lcd_base_addr); + +static void displaylcd_setup(int x, int y, int width, int height) ICODE_ATTR; +static void displaylcd_setup(int x, int y, int width, int height) +{ + /* TODO: ISR()->panicf()->lcd_update() blocks forever */ + mutex_lock(&lcd_mutex); + while (dmac_ch_running(&lcd_dma_ch)) + yield(); + + int xe = (x + width) - 1; /* max horiz */ + int ye = (y + height) - 1; /* max vert */ + + if (lcd_type & 2) { + s5l_lcd_write_reg(R_HORIZ_ADDR_START_POS, x); + s5l_lcd_write_reg(R_HORIZ_ADDR_END_POS, xe); + s5l_lcd_write_reg(R_VERT_ADDR_START_POS, y); + s5l_lcd_write_reg(R_VERT_ADDR_END_POS, ye); + + s5l_lcd_write_reg(R_HORIZ_GRAM_ADDR_SET, x); + s5l_lcd_write_reg(R_VERT_GRAM_ADDR_SET, y); + + s5l_lcd_write_cmd(R_WRITE_DATA_TO_GRAM); + } else { + s5l_lcd_write_cmd(R_COLUMN_ADDR_SET); + s5l_lcd_write_data(x >> 8); + s5l_lcd_write_data(x & 0xff); + s5l_lcd_write_data(xe >> 8); + s5l_lcd_write_data(xe & 0xff); + + s5l_lcd_write_cmd(R_ROW_ADDR_SET); + s5l_lcd_write_data(y >> 8); + s5l_lcd_write_data(y & 0xff); + s5l_lcd_write_data(ye >> 8); + s5l_lcd_write_data(ye & 0xff); + + s5l_lcd_write_cmd(R_MEMORY_WRITE); + } +} + +static void displaylcd_dma(int pixels) ICODE_ATTR; +static void displaylcd_dma(int pixels) +{ + commit_dcache(); + dmac_ch_queue(&lcd_dma_ch, lcd_dblbuf, + (void*)S5L8702_DADDR_PERI_LCD_WR, pixels*2, NULL); + mutex_unlock(&lcd_mutex); +} + +/* Update a fraction of the display. */ +void lcd_update_rect(int, int, int, int) ICODE_ATTR; +void lcd_update_rect(int x, int y, int width, int height) +{ + int pixels = width * height; + fb_data* p = FBADDR(x,y); + uint16_t* out = lcd_dblbuf[0]; + +#ifdef HAVE_LCD_SLEEP + if (!lcd_active()) return; +#endif + + displaylcd_setup(x, y, width, height); + + /* Copy display bitmap to hardware */ + if (LCD_WIDTH == width) { + /* Write all lines at once */ + memcpy(out, p, pixels * 2); + } else { + do { + /* Write a single line */ + memcpy(out, p, width * 2); + p += LCD_WIDTH; + out += width; + } while (--height); + } + + displaylcd_dma(pixels); +} + +/* Line write helper function for lcd_yuv_blit. Writes two lines of yuv420. */ +extern void lcd_write_yuv420_lines(unsigned char const * const src[3], + uint16_t* outbuf, + int width, + int stride); + +/* Blit a YUV bitmap directly to the LCD */ +void lcd_blit_yuv(unsigned char * const src[3], + int src_x, int src_y, int stride, + int x, int y, int width, int height) ICODE_ATTR; +void lcd_blit_yuv(unsigned char * const src[3], + int src_x, int src_y, int stride, + int x, int y, int width, int height) +{ + unsigned int z; + unsigned char const * yuv_src[3]; + +#ifdef HAVE_LCD_SLEEP + if (!lcd_active()) return; +#endif + + width = (width + 1) & ~1; /* ensure width is even */ + + int pixels = width * height; + uint16_t* out = lcd_dblbuf[0]; + + z = stride * src_y; + yuv_src[0] = src[0] + z + src_x; + yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1); + yuv_src[2] = src[2] + (yuv_src[1] - src[1]); + + displaylcd_setup(x, y, width, height); + + height >>= 1; + + do { + lcd_write_yuv420_lines(yuv_src, out, width, stride); + yuv_src[0] += stride << 1; + yuv_src[1] += stride >> 1; /* Skip down one chroma line */ + yuv_src[2] += stride >> 1; + out += width << 1; + } while (--height); + + displaylcd_dma(pixels); +} -- cgit v1.2.3