summaryrefslogtreecommitdiffstats
path: root/firmware/target/arm/imx233/creative-zen
diff options
context:
space:
mode:
authorAmaury Pouly <amaury.pouly@gmail.com>2014-01-05 15:20:41 +0100
committerAmaury Pouly <amaury.pouly@gmail.com>2014-01-21 18:52:28 +0100
commit69d0dae55bf3da2f356dbd03dba299c708133902 (patch)
treeff60084c40831c6f8f7b8806d54fe570c2d8955b /firmware/target/arm/imx233/creative-zen
parentb3abcb807b7f6202158a47668af7f2505b6dd25e (diff)
downloadrockbox-69d0dae55bf3da2f356dbd03dba299c708133902.tar.gz
rockbox-69d0dae55bf3da2f356dbd03dba299c708133902.zip
Initial commit for the ZEN X-Fi Style
Change-Id: Ib25a357a7bafd2ef25f273cadff70fafbd8d4661
Diffstat (limited to 'firmware/target/arm/imx233/creative-zen')
-rw-r--r--firmware/target/arm/imx233/creative-zen/backlight-zen.c8
-rw-r--r--firmware/target/arm/imx233/creative-zen/button-target.h8
-rw-r--r--firmware/target/arm/imx233/creative-zen/button-zen.c46
-rw-r--r--firmware/target/arm/imx233/creative-zen/lcd-zenxfistyle.c311
4 files changed, 364 insertions, 9 deletions
diff --git a/firmware/target/arm/imx233/creative-zen/backlight-zen.c b/firmware/target/arm/imx233/creative-zen/backlight-zen.c
index 74e1e91a49..6d162817c8 100644
--- a/firmware/target/arm/imx233/creative-zen/backlight-zen.c
+++ b/firmware/target/arm/imx233/creative-zen/backlight-zen.c
@@ -26,10 +26,14 @@
#include "backlight-target.h"
#include "uartdbg-imx233.h"
#include "pinctrl-imx233.h"
+#include "pwm-imx233.h"
void _backlight_set_brightness(int level)
{
-#ifdef CREATIVE_ZENV
+#if defined(CREATIVE_ZENXFISTYLE)
+ imx233_pwm_setup_simple(4, 24000, level);
+ imx233_pwm_enable(4, true);
+#elif defined(CREATIVE_ZENV)
lcd_set_contrast(level);
#else
unsigned val = (level + 200) * level / 1000;
@@ -47,7 +51,7 @@ void _backlight_set_brightness(int level)
bool _backlight_init(void)
{
-#ifndef CREATIVE_ZENV
+#if !defined(CREATIVE_ZENV) && !defined(CREATIVE_ZENXFISTYLE)
imx233_pinctrl_acquire(1, 12, "backlight_enable");
imx233_pinctrl_set_function(1, 12, PINCTRL_FUNCTION_GPIO);
imx233_pinctrl_enable_gpio(1, 12, true);
diff --git a/firmware/target/arm/imx233/creative-zen/button-target.h b/firmware/target/arm/imx233/creative-zen/button-target.h
index 7974ae42ad..65521d66e4 100644
--- a/firmware/target/arm/imx233/creative-zen/button-target.h
+++ b/firmware/target/arm/imx233/creative-zen/button-target.h
@@ -25,10 +25,16 @@
bool button_debug_screen(void);
+#if !defined(CREATIVE_ZENXFISTYLE)
#define HAS_BUTTON_HOLD
+#define IMX233_BUTTON_LRADC_HOLD_DET BLH_ADC
+#endif
+#if defined(CREATIVE_ZENXFISTYLE)
+#define IMX233_BUTTON_LRADC_CHANNEL 2
+#else
#define IMX233_BUTTON_LRADC_CHANNEL 0
-#define IMX233_BUTTON_LRADC_HOLD_DET BLH_ADC
+#endif
/* Main unit's buttons */
#define BUTTON_POWER 0x00000001
diff --git a/firmware/target/arm/imx233/creative-zen/button-zen.c b/firmware/target/arm/imx233/creative-zen/button-zen.c
index 8f20961a57..c0e7205675 100644
--- a/firmware/target/arm/imx233/creative-zen/button-zen.c
+++ b/firmware/target/arm/imx233/creative-zen/button-zen.c
@@ -25,6 +25,14 @@
#include "power-imx233.h"
#include "button-lradc-imx233.h"
+#if defined(CREATIVE_ZENXFI) || defined(CREATIVE_ZENMOZAIC)
+#define JACK_DET_BANK 2
+#define JACK_DET_PIN 8
+#elif defined(CREATIVE_ZENXFISTYLE)
+#define JACK_DET_BANK 2
+#define JACK_DET_PIN 7
+#endif
+
struct imx233_button_lradc_mapping_t imx233_button_lradc_mapping[] =
{
#if defined(CREATIVE_ZEN)
@@ -84,6 +92,18 @@ struct imx233_button_lradc_mapping_t imx233_button_lradc_mapping[] =
{2945, BUTTON_PLAYPAUSE},
{3400, 0},
{0, IMX233_BUTTON_LRADC_END},
+#elif defined(CREATIVE_ZENXFISTYLE)
+ {230, BUTTON_MENU},
+ {480, BUTTON_SHORTCUT},
+ {690, BUTTON_UP},
+ {920, BUTTON_LEFT},
+ {1120, BUTTON_RIGHT},
+ {1335, BUTTON_DOWN},
+ {1565, BUTTON_SELECT},
+ {2850, BUTTON_BACK},
+ {3110, BUTTON_PLAYPAUSE},
+ {3620, 0},
+ {0, IMX233_BUTTON_LRADC_END},
#else
#error wrong target
#endif
@@ -92,29 +112,43 @@ struct imx233_button_lradc_mapping_t imx233_button_lradc_mapping[] =
void button_init_device(void)
{
imx233_button_lradc_init();
-#if defined(CREATIVE_ZENXFI) || defined(CREATIVE_ZENMOZAIC)
- imx233_pinctrl_acquire(2, 8, "jack_detect");
- imx233_pinctrl_set_function(2, 8, PINCTRL_FUNCTION_GPIO);
- imx233_pinctrl_enable_gpio(2, 8, false);
+#ifdef HAVE_HEADPHONE_DETECTION
+ imx233_pinctrl_acquire(JACK_DET_BANK, JACK_DET_PIN, "jack_detect");
+ imx233_pinctrl_set_function(JACK_DET_BANK, JACK_DET_PIN, PINCTRL_FUNCTION_GPIO);
+ imx233_pinctrl_enable_gpio(JACK_DET_BANK, JACK_DET_PIN, false);
+#endif
+#ifdef CREATIVE_ZENXFISTYLE
+ imx233_pinctrl_acquire(0, 11, "power_detect");
+ imx233_pinctrl_set_function(0, 11, PINCTRL_FUNCTION_GPIO);
+ imx233_pinctrl_enable_gpio(0, 11, false);
#endif
}
+#ifdef HAS_BUTTON_HOLD
bool button_hold(void)
{
return imx233_button_lradc_hold();
}
+#endif
-#if defined(CREATIVE_ZENXFI) || defined(CREATIVE_ZENMOZAIC)
+#ifdef HAVE_HEADPHONE_DETECTION
bool headphones_inserted(void)
{
- return !imx233_pinctrl_get_gpio(2, 8);
+ return !imx233_pinctrl_get_gpio(JACK_DET_BANK, JACK_DET_PIN);
}
#endif
int button_read_device(void)
{
int btn = 0;
+#ifdef CREATIVE_ZENXFISTYLE
+ /* The ZEN X-Fi Style uses a GPIO because both select and power are wired
+ * to PSWITCH resulting in slow and unreliable readings */
+ if(!imx233_pinctrl_get_gpio(0, 11))
+ btn |= BUTTON_POWER;
+#else
if(imx233_power_read_pswitch() == 1)
btn |= BUTTON_POWER;
+#endif
return imx233_button_lradc_read(btn);
}
diff --git a/firmware/target/arm/imx233/creative-zen/lcd-zenxfistyle.c b/firmware/target/arm/imx233/creative-zen/lcd-zenxfistyle.c
new file mode 100644
index 0000000000..5a4542ca67
--- /dev/null
+++ b/firmware/target/arm/imx233/creative-zen/lcd-zenxfistyle.c
@@ -0,0 +1,311 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (c) 2013 by Amaury Pouly
+ *
+ * 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 <sys/types.h> /* off_t */
+#include <string.h>
+#include "cpu.h"
+#include "system.h"
+#include "backlight-target.h"
+#include "lcd.h"
+#include "lcdif-imx233.h"
+#include "clkctrl-imx233.h"
+#include "pinctrl-imx233.h"
+#include "logf.h"
+
+#ifdef HAVE_LCD_ENABLE
+static bool lcd_on;
+#endif
+static int lcd_model;
+
+static inline uint32_t encode_16_to_18(uint32_t a)
+{
+ return ((a & 0xff) << 1) | (((a >> 8) & 0xff) << 10);
+}
+
+static void lcd_write_reg(uint32_t reg, uint32_t data)
+{
+ uint32_t old_reg = reg;
+ /* get back to 18-bit word length */
+ imx233_lcdif_set_word_length(18);
+ reg = encode_16_to_18(reg);
+ data = encode_16_to_18(data);
+
+ imx233_lcdif_pio_send(false, 1, &reg);
+ if(old_reg != 0x22)
+ imx233_lcdif_pio_send(true, 1, &data);
+}
+
+static void lcd_init_seq(void)
+{
+ if(lcd_model == 0)
+ {
+ lcd_write_reg(0xe3, 0x3008);
+ lcd_write_reg(0xe7, 0x12);
+ lcd_write_reg(0xef, 0x1231);
+ lcd_write_reg(0x01, 0x100);
+ lcd_write_reg(0x02, 0x700);
+ lcd_write_reg(0x03, 0x1028);
+ lcd_write_reg(0x04, 0);
+ lcd_write_reg(0x08, 0x207);
+ lcd_write_reg(0x09, 0);
+ lcd_write_reg(0x0a, 0);
+ lcd_write_reg(0x0c, 0);
+ lcd_write_reg(0x0d, 0);
+ lcd_write_reg(0x0f, 0);
+ lcd_write_reg(0x10, 0);
+ lcd_write_reg(0x11, 7);
+ lcd_write_reg(0x12, 0);
+ lcd_write_reg(0x13, 0);
+ mdelay(200);
+ lcd_write_reg(0x10, 0x1490);
+ lcd_write_reg(0x11, 0x227);
+ mdelay(50);
+ lcd_write_reg(0x12, 0x9c);
+ mdelay(50);
+ lcd_write_reg(0x13, 0xc00);
+ lcd_write_reg(0x29, 5);
+ lcd_write_reg(0x2b, 0xc);
+ lcd_write_reg(0x20, 0xef);
+ lcd_write_reg(0x21, 0);
+ lcd_write_reg(0x30, 6);
+ lcd_write_reg(0x31, 0x703);
+ lcd_write_reg(0x32, 0x206);
+ lcd_write_reg(0x35, 4);
+ lcd_write_reg(0x36, 0x1a05);
+ lcd_write_reg(0x37, 0x600);
+ lcd_write_reg(0x38, 0x307);
+ lcd_write_reg(0x39, 0x707);
+ lcd_write_reg(0x3c, 0x400);
+ lcd_write_reg(0x3d, 0x50f);
+ lcd_write_reg(0x50, 0);
+ lcd_write_reg(0x51, 0xef);
+ lcd_write_reg(0x52, 0);
+ lcd_write_reg(0x53, 0x13f);
+ lcd_write_reg(0x60, 0xa700);
+ lcd_write_reg(0x61, 1);
+ lcd_write_reg(0x6a, 0);
+ lcd_write_reg(0x80, 0);
+ lcd_write_reg(0x81, 0);
+ lcd_write_reg(0x82, 0);
+ lcd_write_reg(0x83, 0);
+ lcd_write_reg(0x84, 0);
+ lcd_write_reg(0x85, 0);
+ lcd_write_reg(0x90, 0x10);
+ lcd_write_reg(0x92, 0x600);
+ lcd_write_reg(0x07, 0x133);
+ }
+ else
+ {
+ lcd_write_reg(0x01, 0x100);
+ lcd_write_reg(0x02, 0x700);
+ lcd_write_reg(0x03, 0x1028);
+ lcd_write_reg(0x04, 0);
+ lcd_write_reg(0x08, 0x207);
+ lcd_write_reg(0x09, 0);
+ lcd_write_reg(0x0a, 0);
+ lcd_write_reg(0x0c, 0);
+ lcd_write_reg(0x0d, 0);
+ lcd_write_reg(0x0f, 0);
+ lcd_write_reg(0x10, 0);
+ lcd_write_reg(0x11, 7);
+ lcd_write_reg(0x12, 0);
+ lcd_write_reg(0x13, 0);
+ mdelay(200);
+ lcd_write_reg(0x10, 0x1290);
+ lcd_write_reg(0x11, 0x227);
+ mdelay(50);
+ lcd_write_reg(0x12, 0x9c);
+ mdelay(50);
+ lcd_write_reg(0x13, 0x1f00);
+ lcd_write_reg(0x29, 0x30);
+ lcd_write_reg(0x2b, 0xd);
+ lcd_write_reg(0x20, 0xef);
+ lcd_write_reg(0x21, 0);
+ lcd_write_reg(0x30, 0x404);
+ lcd_write_reg(0x31, 0x404);
+ lcd_write_reg(0x32, 0x404);
+ lcd_write_reg(0x37, 0x303);
+ lcd_write_reg(0x38, 0x303);
+ lcd_write_reg(0x39, 0x303);
+ lcd_write_reg(0x35, 0x103);
+ lcd_write_reg(0x3c, 0x301);
+ lcd_write_reg(0x36, 0x1e00);
+ lcd_write_reg(0x3d, 0xf);
+ lcd_write_reg(0x50, 0);
+ lcd_write_reg(0x51, 0xef);
+ lcd_write_reg(0x52, 0);
+ lcd_write_reg(0x53, 0x13f);
+ lcd_write_reg(0x60, 0xa700);
+ lcd_write_reg(0x61, 0);
+ lcd_write_reg(0x6a, 0);
+ lcd_write_reg(0x80, 0);
+ lcd_write_reg(0x81, 0);
+ lcd_write_reg(0x82, 0);
+ lcd_write_reg(0x83, 0);
+ lcd_write_reg(0x84, 0);
+ lcd_write_reg(0x85, 0);
+ lcd_write_reg(0x2b, 0xd);
+ mdelay(50);
+ lcd_write_reg(0x90, 0x17);
+ lcd_write_reg(0x92, 0);
+ lcd_write_reg(0x93, 3);
+ lcd_write_reg(0x95, 0x110);
+ lcd_write_reg(0x97, 0);
+ lcd_write_reg(0x98, 0);
+ lcd_write_reg(0x07, 0x133);
+ }
+}
+
+void lcd_init_device(void)
+{
+ /* clock at 24MHZ */
+ imx233_clkctrl_enable(CLK_PIX, false);
+ imx233_clkctrl_set_div(CLK_PIX, 1);
+ imx233_clkctrl_set_bypass(CLK_PIX, true); /* use XTAL */
+ imx233_clkctrl_enable(CLK_PIX, true);
+ imx233_lcdif_init();
+ imx233_lcdif_set_lcd_databus_width(18);
+ imx233_lcdif_enable_underflow_recover(true);
+ imx233_lcdif_setup_system_pins(18);
+ imx233_lcdif_set_timings(2, 2, 2, 2);
+
+ imx233_pinctrl_acquire(2, 8, "lcd_model");
+ imx233_pinctrl_set_function(2, 8, PINCTRL_FUNCTION_GPIO);
+ imx233_pinctrl_enable_gpio(2, 8, false);
+ lcd_model = imx233_pinctrl_get_gpio(2, 8);
+
+ // reset device
+ imx233_lcdif_reset_lcd(true);
+ mdelay(50);
+ imx233_lcdif_reset_lcd(false);
+ mdelay(10);
+ imx233_lcdif_reset_lcd(true);
+
+ lcd_init_seq();
+#ifdef HAVE_LCD_ENABLE
+ lcd_on = true;
+#endif
+}
+
+#ifdef HAVE_LCD_ENABLE
+bool lcd_active(void)
+{
+ return lcd_on;
+}
+
+static void lcd_enable_seq(bool enable)
+{
+ if(!enable)
+ {
+ }
+ else
+ {
+ }
+}
+
+void lcd_enable(bool enable)
+{
+ if(lcd_on == enable)
+ return;
+
+ lcd_on = enable;
+
+ lcd_enable_seq(enable);
+ if(enable)
+ send_event(LCD_EVENT_ACTIVATION, NULL);
+}
+#endif
+
+void lcd_update(void)
+{
+ lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
+/* NOTE the LCD is rotated: it's a 240x320 panel with (0,0) being the bottom-left
+ * corner when the player is hold in landscape mode. This means x and y axis and
+ * exchanged and the y axis is reversed. */
+
+void lcd_update_rect(int x, int y, int w, int h)
+{
+#ifdef HAVE_LCD_ENABLE
+ if(!lcd_on)
+ return;
+#endif
+ /* make sure the rectangle is included in the screen */
+ x = MIN(x, LCD_WIDTH);
+ y = MIN(y, LCD_HEIGHT);
+ w = MIN(w, LCD_WIDTH - x);
+ h = MIN(h, LCD_HEIGHT - y);
+
+ imx233_lcdif_wait_ready();
+ lcd_write_reg(0x50, LCD_HEIGHT - y - h);
+ lcd_write_reg(0x51, LCD_HEIGHT - y - 1);
+ lcd_write_reg(0x52, x);
+ lcd_write_reg(0x53, x + w - 1);
+ lcd_write_reg(0x20, LCD_HEIGHT - y - 1);
+ lcd_write_reg(0x21, x);
+ lcd_write_reg(0x22, 0);
+ imx233_lcdif_wait_ready();
+ imx233_lcdif_set_word_length(16);
+ imx233_lcdif_set_byte_packing_format(0xf); /* two pixels per 32-bit word */
+
+ /* there are two cases here:
+ * - either width = LCD_WIDTH and we can directly memcopy a part of lcd_framebuffer to FRAME
+ * and send it
+ * - either width != LCD_WIDTH and we have to build a contiguous copy of the rectangular area
+ * into FRAME before sending it (which is slower and doesn't use the hardware)
+ * In all cases, FRAME just acts as a temporary buffer.
+ * NOTE It's more interesting to do a copy to FRAME in all cases since in system mode
+ * the clock runs at 24MHz which provides barely 10MB/s bandwidth compared to >100MB/s
+ * for memcopy operations
+ */
+ if(w == LCD_WIDTH)
+ {
+ memcpy((void *)FRAME, FBADDR(x,y), w * h * sizeof(fb_data));
+ }
+ else
+ {
+ for(int i = 0; i < h; i++)
+ memcpy((fb_data *)FRAME + i * w, FBADDR(x,y + i), w * sizeof(fb_data));
+ }
+ /* WARNING The LCDIF has a limitation on the vertical count ! In 16-bit packed mode
+ * (which we used, ie 16-bit per pixel, 2 pixels per 32-bit words), the v_count
+ * field must be a multiple of 2. Furthermore, it seems the lcd controller doesn't
+ * really like when both w and h are even, probably because the writes to the GRAM
+ * are done on several words and the controller requires dummy writes.
+ * The workaround is to always make sure that we send a number of pixels which is
+ * a multiple of 4 so that both the lcdif and the controller are happy. If any
+ * of w or h is odd, we will send a copy of the first pixels as dummy writes. We will
+ * send at most 3 bytes. We then send (w * h + 3) / 4 x 4 bytes.
+ */
+ if(w % 2 == 1 || h % 2 == 1)
+ {
+ /* copy three pixel after the last one */
+ for(int i = 0; i < 3; i++)
+ *((fb_data *)FRAME + w * h + i) = *((fb_data *)FRAME + i);
+ /* WARNING we need to update w and h to reflect the pixel count BUT it
+ * has no relation to w * h (it can even be 2 * prime). Hopefully, w <= 240 and
+ * h <= 320 so w * h <= 76800 and (w * h + 3) / 4 <= 38400 which fits into
+ * a 16-bit integer (horizontal count). */
+ h = (w * h + 3) / 4;
+ w = 4;
+ }
+ imx233_lcdif_dma_send((void *)FRAME_PHYS_ADDR, w, h);
+}