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Gigabeat S: Implement LCD contrast, invert and flip modes. Enhance LCD power management. Include init data but it's not needed yet (identical to Gigabeat F).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26154 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
parent
4c6164fece
commit
54c649697b
5 changed files with 307 additions and 54 deletions
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@ -120,6 +120,21 @@
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#ifndef BOOTLOADER
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/* define this if you can flip your LCD */
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#define HAVE_LCD_FLIP
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/* define this if you can invert the colours on your LCD */
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#define HAVE_LCD_INVERT
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/* Define this if your LCD can set contrast */
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#define HAVE_LCD_CONTRAST
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/* Main LCD contrast range and defaults */
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#define MIN_CONTRAST_SETTING 0
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#define MAX_CONTRAST_SETTING 63
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#define DEFAULT_CONTRAST_SETTING 47 /* Match boot contrast */
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/* Define this for LCD backlight brightness available */
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#define HAVE_BACKLIGHT_BRIGHTNESS
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/* Main LCD backlight brightness range and defaults */
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@ -139,7 +154,7 @@
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#define CONFIG_I2C I2C_IMX31L
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/* Define the bitmask of modules used */
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#define SPI_MODULE_MASK (USE_CSPI2_MODULE)
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#define SPI_MODULE_MASK (USE_CSPI2_MODULE | USE_CSPI3_MODULE)
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#define I2C_MODULE_MASK (USE_I2C1_MODULE | USE_I2C2_MODULE)
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#define GPIO_EVENT_MASK (USE_GPIO1_EVENTS)
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@ -197,36 +197,128 @@
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#define RNGA_CONTROL_SLEEP (1 << 4)
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/* IPU */
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#define IPU_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x00))
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#define IPU_CHA_BUF0_RDY (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x04))
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#define IPU_CHA_BUF1_RDY (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x08))
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#define IPU_CHA_DB_MODE_SEL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0C))
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#define IPU_CHA_CUR_BUF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x10))
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#define IPU_FS_PROC_FLOW (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x14))
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#define IPU_FS_DISP_FLOW (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x18))
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#define IPU_TASKS_STAT (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1C))
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#define IPU_IMA_ADDR (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x20))
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#define IPU_IMA_DATA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x24))
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#define IPU_INT_CTRL_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x28))
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#define IPU_INT_CTRL_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x2C))
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#define IPU_INT_CTRL_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x30))
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#define IPU_INT_CTRL_4 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x34))
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#define IPU_INT_CTRL_5 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x38))
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#define IPU_INT_STAT_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x3C))
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#define IPU_INT_STAT_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x40))
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#define IPU_INT_STAT_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x44))
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#define IPU_INT_STAT_4 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x48))
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#define IPU_INT_STAT_5 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x4C))
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#define IPU_BRK_CTRL_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x50))
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#define IPU_BRK_CTRL_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x54))
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#define IPU_BRK_STAT (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x58))
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#define IPU_DIAGB_CTRL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x60))
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#define IPU_IDMAC_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0xA4))
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#define IPU_IDMAC_CHA_EN (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0xA8))
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#define IPU_IDMAC_CHA_PRI (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0xAC))
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#define IPU_IDMAC_CHA_BUSY (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0xB0))
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#define IPU_IPU_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x000))
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#define IPU_IPU_CHA_BUF0_RDY (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x004))
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#define IPU_IPU_CHA_BUF1_RDY (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x008))
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#define IPU_IPU_CHA_DB_MODE_SEL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x00C))
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#define IPU_IPU_CHA_CUR_BUF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x010))
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#define IPU_IPU_FS_PROC_FLOW (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x014))
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#define IPU_IPU_FS_DISP_FLOW (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x018))
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#define IPU_IPU_TASKS_STAT (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x01C))
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#define IPU_IPU_IMA_ADDR (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x020))
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#define IPU_IPU_IMA_DATA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x024))
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#define IPU_IPU_INT_CTRL_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x028))
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#define IPU_IPU_INT_CTRL_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x02C))
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#define IPU_IPU_INT_CTRL_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x030))
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#define IPU_IPU_INT_CTRL_4 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x034))
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#define IPU_IPU_INT_CTRL_5 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x038))
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#define IPU_IPU_INT_STAT_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x03C))
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#define IPU_IPU_INT_STAT_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x040))
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#define IPU_IPU_INT_STAT_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x044))
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#define IPU_IPU_INT_STAT_4 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x048))
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#define IPU_IPU_INT_STAT_5 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x04C))
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#define IPU_IPU_BRK_CTRL_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x050))
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#define IPU_IPU_BRK_CTRL_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x054))
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#define IPU_IPU_BRK_STAT (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x058))
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#define IPU_IPU_DIAGB_CTRL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x060))
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#define IPU_CSI_SENS_FRM_SIZE (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x064))
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#define IPU_CSI_ACT_FRM_SIZE (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x068))
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#define IPU_CSI_OUT_FRM_CTRL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x06C))
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#define IPU_CSI_TST_CTRL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x070))
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#define IPU_CSI_CCIR_CODE_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x074))
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#define IPU_CSI_CCIR_CODE_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x078))
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#define IPU_CSI_CCIR_CODE_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x07C))
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#define IPU_CSI_FLASH_STROBE_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x080))
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#define IPU_CSI_FLASH_STROBE_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x084))
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#define IPU_IC_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x088))
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#define IPU_IC_PRP_ENC_RSC (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x08C))
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#define IPU_IC_PRP_VF_RSC (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x090))
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#define IPU_IC_PP_RSC (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x094))
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#define IPU_IC_CMBP_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x098))
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#define IPU_IC_CMBP_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x09C))
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#define IPU_PF_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0A0))
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#define IPU_IDMAC_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0A4))
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#define IPU_IDMAC_CHA_EN (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0A8))
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#define IPU_IDMAC_CHA_PRI (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0AC))
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#define IPU_IDMAC_CHA_BUSY (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0B0))
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#define IPU_SDC_COM_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0B4))
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#define IPU_SDC_GRAPH_WIND_CTRL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0B8))
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#define IPU_SDC_FG_POS (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0BC))
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#define IPU_SDC_BG_POS (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0C0))
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#define IPU_SDC_CUR_POS (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0C4))
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#define IPU_SDC_CUR_BLINK_PWM_CTRL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0C8))
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#define IPU_SDC_CUR_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0CC))
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#define IPU_SDC_HOR_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0D0))
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#define IPU_SDC_VER_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0D4))
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#define IPU_SDC_SHARP_CONF_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0D8))
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#define IPU_SDC_SHARP_CONF_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0DC))
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#define IPU_SDC_ADC_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0E0))
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#define IPU_ADC_SYSCHA1_SA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0E4))
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#define IPU_ADC_SYSCHA2_SA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0E8))
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#define IPU_ADC_PRPCHAN_SA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0EC))
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#define IPU_ADC_PPCHAN_SA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0F0))
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#define IPU_ADC_DISP0_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0F4))
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#define IPU_ADC_DISP0_RD_AP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0F8))
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#define IPU_ADC_DISP0_RDM (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x0FC))
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#define IPU_ADC_DISP0_SS (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x100))
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#define IPU_ADC_DISP1_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x104))
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#define IPU_ADC_DISP1_RD_AP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x108))
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#define IPU_ADC_DISP1_RDM (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x10C))
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#define IPU_ADC_DISP2_SS (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x110))
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#define IPU_ADC_DISP2_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x114))
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#define IPU_ADC_DISP2_RD_AP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x118))
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#define IPU_ADC_DISP2_RDM (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x11C))
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#define IPU_ADC_DISP_VSYNC (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x120))
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#define IPU_ADC_DISP_IF_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x124))
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#define IPU_ADC_DISP_SIG_POL (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x128))
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#define IPU_DI_SER_DISP1_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x12C))
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#define IPU_DI_SER_DISP2_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x130))
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#define IPU_DI_HSP_CLK_PER (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x134))
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#define IPU_DI_DISP0_TIME_CONF_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x138))
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#define IPU_DI_DISP0_TIME_CONF_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x13C))
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#define IPU_DI_DISP0_TIME_CONF_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x140))
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#define IPU_DI_DISP1_TIME_CONF_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x144))
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#define IPU_DI_DISP1_TIME_CONF_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x148))
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#define IPU_DI_DISP1_TIME_CONF_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x14C))
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#define IPU_DI_DISP2_TIME_CONF_1 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x150))
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#define IPU_DI_DISP2_TIME_CONF_2 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x154))
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#define IPU_DI_DISP2_TIME_CONF_3 (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x158))
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#define IPU_DI_DISP3_TIME_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x15C))
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#define IPU_DI_DISP0_DB0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x160))
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#define IPU_DI_DISP0_DB1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x164))
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#define IPU_DI_DISP0_DB2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x168))
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#define IPU_DI_DISP0_CB0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x16C))
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#define IPU_DI_DISP0_CB1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x170))
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#define IPU_DI_DISP0_CB2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x174))
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#define IPU_DI_DISP1_DB0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x178))
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#define IPU_DI_DISP1_DB1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x17C))
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#define IPU_DI_DISP1_DB2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x180))
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#define IPU_DI_DISP1_CB0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x184))
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#define IPU_DI_DISP1_CB1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x188))
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#define IPU_DI_DISP1_CB2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x18C))
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#define IPU_DI_DISP2_DB0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x190))
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#define IPU_DI_DISP2_DB1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x194))
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#define IPU_DI_DISP2_DB2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x198))
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#define IPU_DI_DISP2_CB0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x19C))
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#define IPU_DI_DISP2_CB1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1A0))
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#define IPU_DI_DISP2_CB2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1A4))
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#define IPU_DI_DISP3_B0_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1A8))
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#define IPU_DI_DISP3_B1_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1AC))
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#define IPU_DI_DISP3_B2_MAP (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1B0))
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#define IPU_DI_DISP_ACC_CC (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1B4))
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#define IPU_DI_DISP_LLA_CONF (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1B8))
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#define IPU_DI_DISP_LLA_DATA (*(REG32_PTR_T)(IPU_CTRL_BASE_ADDR+0x1BC))
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/* IPU_CONF */
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#define IPU_IPU_CONF_PXL_ENDIAN (1 << 8)
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#define IPU_IPU_CONF_DU_EN (1 << 7)
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#define IPU_IPU_CONF_DI_EN (1 << 6)
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#define IPU_IPU_CONF_ADC_EN (1 << 5)
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#define IPU_IPU_CONF_SDC_EN (1 << 4)
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#define IPU_IPU_CONF_PF_EN (1 << 3)
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#define IPU_IPU_CONF_ROT_EN (1 << 2)
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#define IPU_IPU_CONF_IC_EN (1 << 1)
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#define IPU_IPU_CONF_CSI_EN (1 << 0)
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/* ATA */
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#define ATA_TIME_OFF (*(REG8_PTR_T)(ATA_BASE_ADDR+0x00))
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#define CSPI_BITCOUNT(n) ((n) << 8)
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#define CSPI_CONREG_SSPOL (1 << 7)
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#define CSPI_CONREG_SSCTL (1 << 6)
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#define CSPI_CONREG_PHA (1 << 6)
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#define CSPI_CONREG_PHA (1 << 5)
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#define CSPI_CONREG_POL (1 << 4)
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#define CSPI_CONREG_SMC (1 << 3)
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#define CSPI_CONREG_XCH (1 << 2)
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#include "inttypes.h"
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#include "config.h"
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#include "system.h"
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#include "cpu.h"
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#include "spi-imx31.h"
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#include "mc13783.h"
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#include "string.h"
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#include "lcd.h"
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#include "kernel.h"
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#define MAIN_LCD_IDMAC_CHANNEL 14
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#define LCDADDR(x, y) (&lcd_framebuffer[(y)][(x)])
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static bool lcd_on = true;
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static bool lcd_powered = true;
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static unsigned lcd_yuv_options = 0;
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/* Copies a rectangle from one framebuffer to another. Can be used in
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single transfer mode with width = num pixels, and height = 1 which
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allows a full-width rectangle to be copied more efficiently. */
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extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src,
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int width, int height);
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static bool lcd_on = true;
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static bool lcd_powered = true;
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static unsigned lcd_yuv_options = 0;
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#if 0
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/* Initialization data from OF bootloader. Identical to Gigabeat F/X. */
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static const unsigned char lcd_init_data[50] =
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{
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/* Reg Val */
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0x0f, 0x01,
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0x09, 0x06,
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0x16, 0xa6,
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0x1e, 0x49,
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0x1f, 0x26,
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0x0b, 0x2f, /* Set contrast 0-63 */
|
||||
0x0c, 0x2b,
|
||||
0x19, 0x5e,
|
||||
0x1a, 0x15,
|
||||
0x1b, 0x15,
|
||||
0x1d, 0x01,
|
||||
0x00, 0x03,
|
||||
0x01, 0x10,
|
||||
0x02, 0x0a,
|
||||
0x06, 0x04, /* Set the orientation 2=upside down, 4=normal */
|
||||
0x08, 0x2e,
|
||||
0x24, 0x12,
|
||||
0x25, 0x3f,
|
||||
0x26, 0x0b,
|
||||
0x27, 0x00,
|
||||
0x28, 0x00,
|
||||
0x29, 0xf6,
|
||||
0x2a, 0x03,
|
||||
0x2b, 0x0a,
|
||||
0x04, 0x01, /* Display ON */
|
||||
};
|
||||
#endif
|
||||
|
||||
static const struct spi_node lcd_spi_node =
|
||||
{
|
||||
/* Original firmware settings for LCD panel commication */
|
||||
CSPI3_NUM, /* CSPI module 3 */
|
||||
CSPI_CONREG_CHIP_SELECT_SS1 | /* Chip select 1 */
|
||||
CSPI_CONREG_DRCTL_DONT_CARE | /* Don't care about CSPI_RDY */
|
||||
CSPI_CONREG_DATA_RATE_DIV_16 | /* Clock = IPG_CLK/16 = 4,125,000Hz. */
|
||||
CSPI_BITCOUNT(32-1) | /* All 32 bits are to be transferred */
|
||||
CSPI_CONREG_SSPOL | /* SS active high */
|
||||
CSPI_CONREG_PHA | /* Phase 1 operation */
|
||||
CSPI_CONREG_POL | /* Active low polarity */
|
||||
CSPI_CONREG_MODE, /* Master mode */
|
||||
0, /* SPI clock - no wait states */
|
||||
};
|
||||
|
||||
static void lcd_write_reg(unsigned reg, unsigned val)
|
||||
{
|
||||
/* packet: |00|rr|01|vv| */
|
||||
uint32_t packet = ((reg & 0xff) << 16) | 0x0100 | (val & 0xff);
|
||||
|
||||
struct spi_transfer_desc xfer;
|
||||
|
||||
xfer.node = &lcd_spi_node;
|
||||
xfer.txbuf = &packet;
|
||||
xfer.rxbuf = NULL;
|
||||
xfer.count = 1;
|
||||
xfer.callback = NULL;
|
||||
xfer.next = NULL;
|
||||
|
||||
if (spi_transfer(&xfer))
|
||||
{
|
||||
/* Just busy wait; the interface is not used very much */
|
||||
while (!spi_transfer_complete(&xfer));
|
||||
}
|
||||
}
|
||||
|
||||
static void lcd_enable_interface(bool enable)
|
||||
{
|
||||
if (enable)
|
||||
{
|
||||
spi_enable_module(&lcd_spi_node);
|
||||
}
|
||||
else
|
||||
{
|
||||
spi_disable_module(&lcd_spi_node);
|
||||
}
|
||||
}
|
||||
|
||||
static void lcd_set_power(bool powered)
|
||||
{
|
||||
if (powered)
|
||||
{
|
||||
lcd_powered = false;
|
||||
lcd_write_reg(0x04, 0x00);
|
||||
lcd_enable_interface(false);
|
||||
imx31_regclr32(&GPIO3_DR, (1 << 12));
|
||||
mc13783_clear(MC13783_REGULATOR_MODE1, MC13783_VCAMEN);
|
||||
}
|
||||
else
|
||||
{
|
||||
mc13783_set(MC13783_REGULATOR_MODE1, MC13783_VCAMEN);
|
||||
imx31_regset32(&GPIO3_DR, (1 << 12));
|
||||
lcd_enable_interface(true);
|
||||
lcd_write_reg(0x04, 0x01);
|
||||
lcd_powered = true;
|
||||
}
|
||||
}
|
||||
|
||||
/* LCD init */
|
||||
void lcd_init_device(void)
|
||||
{
|
||||
|
@ -50,8 +154,19 @@ void lcd_init_device(void)
|
|||
/* Only do this once to avoid flicker */
|
||||
memset(FRAME, 0x00, FRAME_SIZE);
|
||||
#endif
|
||||
IPU_IMA_ADDR = ((0x1 << 16) | (MAIN_LCD_IDMAC_CHANNEL << 4)) + (1 << 3);
|
||||
IPU_IMA_DATA = FRAME_PHYS_ADDR;
|
||||
IPU_IPU_IMA_ADDR = ((0x1 << 16) | (MAIN_LCD_IDMAC_CHANNEL << 4)) + (1 << 3);
|
||||
IPU_IPU_IMA_DATA = FRAME_PHYS_ADDR;
|
||||
|
||||
lcd_enable_interface(true);
|
||||
#ifdef HAVE_LCD_CONTRAST
|
||||
lcd_set_contrast(DEFAULT_CONTRAST_SETTING);
|
||||
#endif
|
||||
#ifdef HAVE_LCD_INVERT
|
||||
lcd_set_invert_display(false);
|
||||
#endif
|
||||
#ifdef HAVE_LCD_FLIP
|
||||
lcd_set_flip(false);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Update a fraction of the display. */
|
||||
|
@ -96,13 +211,14 @@ void lcd_update_rect(int x, int y, int width, int height)
|
|||
|
||||
void lcd_sleep(void)
|
||||
{
|
||||
if (lcd_powered)
|
||||
{
|
||||
lcd_enable(false);
|
||||
lcd_powered = false;
|
||||
IPU_IDMAC_CHA_EN &= ~(1ul << MAIN_LCD_IDMAC_CHANNEL);
|
||||
_backlight_lcd_sleep();
|
||||
}
|
||||
if (!lcd_powered)
|
||||
return;
|
||||
|
||||
IPU_IDMAC_CHA_EN &= ~(1ul << MAIN_LCD_IDMAC_CHANNEL);
|
||||
IPU_IPU_CONF &= ~IPU_IPU_CONF_ADC_EN;
|
||||
lcd_enable(false);
|
||||
lcd_set_power(false);
|
||||
_backlight_lcd_sleep();
|
||||
}
|
||||
|
||||
void lcd_enable(bool state)
|
||||
|
@ -112,9 +228,11 @@ void lcd_enable(bool state)
|
|||
|
||||
if (state)
|
||||
{
|
||||
if (!lcd_powered)
|
||||
lcd_set_power(true);
|
||||
IPU_IPU_CONF |= IPU_IPU_CONF_ADC_EN;
|
||||
IPU_IDMAC_CHA_EN |= 1ul << MAIN_LCD_IDMAC_CHANNEL;
|
||||
sleep(HZ/50);
|
||||
lcd_powered = true;
|
||||
lcd_on = true;
|
||||
lcd_update();
|
||||
send_event(LCD_EVENT_ACTIVATION, NULL);
|
||||
|
@ -211,18 +329,37 @@ void lcd_blit_yuv(unsigned char * const src[3],
|
|||
}
|
||||
}
|
||||
|
||||
void lcd_set_contrast(int val) {
|
||||
(void) val;
|
||||
// TODO:
|
||||
#ifdef HAVE_LCD_CONTRAST
|
||||
void lcd_set_contrast(int val)
|
||||
{
|
||||
if (!lcd_on)
|
||||
return;
|
||||
|
||||
lcd_write_reg(0x0b, val);
|
||||
}
|
||||
|
||||
void lcd_set_invert_display(bool yesno) {
|
||||
(void) yesno;
|
||||
// TODO:
|
||||
int lcd_default_contrast(void)
|
||||
{
|
||||
return DEFAULT_CONTRAST_SETTING;
|
||||
}
|
||||
#endif /* HAVE_LCD_CONTRAST */
|
||||
|
||||
void lcd_set_flip(bool yesno) {
|
||||
(void) yesno;
|
||||
// TODO:
|
||||
#ifdef HAVE_LCD_INVERT
|
||||
void lcd_set_invert_display(bool yesno)
|
||||
{
|
||||
if (!lcd_on)
|
||||
return;
|
||||
|
||||
lcd_write_reg(0x27, yesno ? 0x10 : 00);
|
||||
}
|
||||
#endif /* HAVE_LCD_INVERT */
|
||||
|
||||
#ifdef HAVE_LCD_FLIP
|
||||
void lcd_set_flip(bool yesno)
|
||||
{
|
||||
if (!lcd_on)
|
||||
return;
|
||||
|
||||
lcd_write_reg(0x06, yesno ? 0x02 : 0x04);
|
||||
}
|
||||
#endif /* HAVE_LCD_FLIP */
|
||||
|
|
|
@ -435,3 +435,9 @@ bool spi_transfer(struct spi_transfer_desc *xfer)
|
|||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/* Returns 'true' if the descriptor is not busy */
|
||||
bool spi_transfer_complete(const struct spi_transfer_desc *xfer)
|
||||
{
|
||||
return xfer->next == NULL;
|
||||
}
|
||||
|
|
|
@ -83,4 +83,7 @@ void spi_disable_module(const struct spi_node *node);
|
|||
/* Send and/or receive data on the specified node (asychronous) */
|
||||
bool spi_transfer(struct spi_transfer_desc *xfer);
|
||||
|
||||
/* Returns 'true' if the descriptor is not busy */
|
||||
bool spi_transfer_complete(const struct spi_transfer_desc *xfer);
|
||||
|
||||
#endif /* SPI_IMX31_H */
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue