qemu-e2k/hw/omap.h

/*
 * Texas Instruments OMAP processors.
 *
 * Copyright (C) 2006-2007 Andrzej Zaborowski  <balrog@zabor.org>
 *
 * 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 program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#ifndef hw_omap_h
# define hw_omap_h		"omap.h"

# define OMAP_EMIFS_BASE	0x00000000
# define OMAP_CS0_BASE		0x00000000
# define OMAP_CS1_BASE		0x04000000
# define OMAP_CS2_BASE		0x08000000
# define OMAP_CS3_BASE		0x0c000000
# define OMAP_EMIFF_BASE	0x10000000
# define OMAP_IMIF_BASE		0x20000000
# define OMAP_LOCALBUS_BASE	0x30000000
# define OMAP_MPUI_BASE		0xe1000000

# define OMAP730_SRAM_SIZE	0x00032000
# define OMAP15XX_SRAM_SIZE	0x00030000
# define OMAP16XX_SRAM_SIZE	0x00004000
# define OMAP1611_SRAM_SIZE	0x0003e800
# define OMAP_CS0_SIZE		0x04000000
# define OMAP_CS1_SIZE		0x04000000
# define OMAP_CS2_SIZE		0x04000000
# define OMAP_CS3_SIZE		0x04000000

/* omap1_clk.c */
struct omap_mpu_state_s;
typedef struct clk *omap_clk;
omap_clk omap_findclk(struct omap_mpu_state_s *mpu, const char *name);
void omap_clk_init(struct omap_mpu_state_s *mpu);
void omap_clk_adduser(struct clk *clk, qemu_irq user);
void omap_clk_get(omap_clk clk);
void omap_clk_put(omap_clk clk);
void omap_clk_onoff(omap_clk clk, int on);
void omap_clk_canidle(omap_clk clk, int can);
void omap_clk_setrate(omap_clk clk, int divide, int multiply);
int64_t omap_clk_getrate(omap_clk clk);
void omap_clk_reparent(omap_clk clk, omap_clk parent);

/* omap.c */
struct omap_intr_handler_s;
struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
                unsigned long size, unsigned char nbanks,
                qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk);

/*
 * Common IRQ numbers for level 1 interrupt handler
 * See /usr/include/asm-arm/arch-omap/irqs.h in Linux.
 */
# define OMAP_INT_CAMERA		1
# define OMAP_INT_FIQ			3
# define OMAP_INT_RTDX			6
# define OMAP_INT_DSP_MMU_ABORT		7
# define OMAP_INT_HOST			8
# define OMAP_INT_ABORT			9
# define OMAP_INT_BRIDGE_PRIV		13
# define OMAP_INT_GPIO_BANK1		14
# define OMAP_INT_UART3			15
# define OMAP_INT_TIMER3		16
# define OMAP_INT_DMA_CH0_6		19
# define OMAP_INT_DMA_CH1_7		20
# define OMAP_INT_DMA_CH2_8		21
# define OMAP_INT_DMA_CH3		22
# define OMAP_INT_DMA_CH4		23
# define OMAP_INT_DMA_CH5		24
# define OMAP_INT_DMA_LCD		25
# define OMAP_INT_TIMER1		26
# define OMAP_INT_WD_TIMER		27
# define OMAP_INT_BRIDGE_PUB		28
# define OMAP_INT_TIMER2		30
# define OMAP_INT_LCD_CTRL		31

/*
 * Common OMAP-15xx IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_15XX_IH2_IRQ		0
# define OMAP_INT_15XX_LB_MMU		17
# define OMAP_INT_15XX_LOCAL_BUS	29

/*
 * OMAP-1510 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_1510_SPI_TX		4
# define OMAP_INT_1510_SPI_RX		5
# define OMAP_INT_1510_DSP_MAILBOX1	10
# define OMAP_INT_1510_DSP_MAILBOX2	11

/*
 * OMAP-310 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_310_McBSP2_TX		4
# define OMAP_INT_310_McBSP2_RX		5
# define OMAP_INT_310_HSB_MAILBOX1	12
# define OMAP_INT_310_HSAB_MMU		18

/*
 * OMAP-1610 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_1610_IH2_IRQ		0
# define OMAP_INT_1610_IH2_FIQ		2
# define OMAP_INT_1610_McBSP2_TX	4
# define OMAP_INT_1610_McBSP2_RX	5
# define OMAP_INT_1610_DSP_MAILBOX1	10
# define OMAP_INT_1610_DSP_MAILBOX2	11
# define OMAP_INT_1610_LCD_LINE		12
# define OMAP_INT_1610_GPTIMER1		17
# define OMAP_INT_1610_GPTIMER2		18
# define OMAP_INT_1610_SSR_FIFO_0	29

/*
 * OMAP-730 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_730_IH2_FIQ		0
# define OMAP_INT_730_IH2_IRQ		1
# define OMAP_INT_730_USB_NON_ISO	2
# define OMAP_INT_730_USB_ISO		3
# define OMAP_INT_730_ICR		4
# define OMAP_INT_730_EAC		5
# define OMAP_INT_730_GPIO_BANK1	6
# define OMAP_INT_730_GPIO_BANK2	7
# define OMAP_INT_730_GPIO_BANK3	8
# define OMAP_INT_730_McBSP2TX		10
# define OMAP_INT_730_McBSP2RX		11
# define OMAP_INT_730_McBSP2RX_OVF	12
# define OMAP_INT_730_LCD_LINE		14
# define OMAP_INT_730_GSM_PROTECT	15
# define OMAP_INT_730_TIMER3		16
# define OMAP_INT_730_GPIO_BANK5	17
# define OMAP_INT_730_GPIO_BANK6	18
# define OMAP_INT_730_SPGIO_WR		29

/*
 * Common IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_KEYBOARD		1
# define OMAP_INT_uWireTX		2
# define OMAP_INT_uWireRX		3
# define OMAP_INT_I2C			4
# define OMAP_INT_MPUIO			5
# define OMAP_INT_USB_HHC_1		6
# define OMAP_INT_McBSP3TX		10
# define OMAP_INT_McBSP3RX		11
# define OMAP_INT_McBSP1TX		12
# define OMAP_INT_McBSP1RX		13
# define OMAP_INT_UART1			14
# define OMAP_INT_UART2			15
# define OMAP_INT_USB_W2FC		20
# define OMAP_INT_1WIRE			21
# define OMAP_INT_OS_TIMER		22
# define OMAP_INT_OQN			23
# define OMAP_INT_GAUGE_32K		24
# define OMAP_INT_RTC_TIMER		25
# define OMAP_INT_RTC_ALARM		26
# define OMAP_INT_DSP_MMU		28

/*
 * OMAP-1510 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_1510_BT_MCSI1TX	16
# define OMAP_INT_1510_BT_MCSI1RX	17
# define OMAP_INT_1510_SoSSI_MATCH	19
# define OMAP_INT_1510_MEM_STICK	27
# define OMAP_INT_1510_COM_SPI_RO	31

/*
 * OMAP-310 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_310_FAC		0
# define OMAP_INT_310_USB_HHC_2		7
# define OMAP_INT_310_MCSI1_FE		16
# define OMAP_INT_310_MCSI2_FE		17
# define OMAP_INT_310_USB_W2FC_ISO	29
# define OMAP_INT_310_USB_W2FC_NON_ISO	30
# define OMAP_INT_310_McBSP2RX_OF	31

/*
 * OMAP-1610 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_1610_FAC		0
# define OMAP_INT_1610_USB_HHC_2	7
# define OMAP_INT_1610_USB_OTG		8
# define OMAP_INT_1610_SoSSI		9
# define OMAP_INT_1610_BT_MCSI1TX	16
# define OMAP_INT_1610_BT_MCSI1RX	17
# define OMAP_INT_1610_SoSSI_MATCH	19
# define OMAP_INT_1610_MEM_STICK	27
# define OMAP_INT_1610_McBSP2RX_OF	31
# define OMAP_INT_1610_STI		32
# define OMAP_INT_1610_STI_WAKEUP	33
# define OMAP_INT_1610_GPTIMER3		34
# define OMAP_INT_1610_GPTIMER4		35
# define OMAP_INT_1610_GPTIMER5		36
# define OMAP_INT_1610_GPTIMER6		37
# define OMAP_INT_1610_GPTIMER7		38
# define OMAP_INT_1610_GPTIMER8		39
# define OMAP_INT_1610_GPIO_BANK2	40
# define OMAP_INT_1610_GPIO_BANK3	41
# define OMAP_INT_1610_MMC2		42
# define OMAP_INT_1610_CF		43
# define OMAP_INT_1610_WAKE_UP_REQ	46
# define OMAP_INT_1610_GPIO_BANK4	48
# define OMAP_INT_1610_SPI		49
# define OMAP_INT_1610_DMA_CH6		53
# define OMAP_INT_1610_DMA_CH7		54
# define OMAP_INT_1610_DMA_CH8		55
# define OMAP_INT_1610_DMA_CH9		56
# define OMAP_INT_1610_DMA_CH10		57
# define OMAP_INT_1610_DMA_CH11		58
# define OMAP_INT_1610_DMA_CH12		59
# define OMAP_INT_1610_DMA_CH13		60
# define OMAP_INT_1610_DMA_CH14		61
# define OMAP_INT_1610_DMA_CH15		62
# define OMAP_INT_1610_NAND		63

/*
 * OMAP-730 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_730_HW_ERRORS		0
# define OMAP_INT_730_NFIQ_PWR_FAIL	1
# define OMAP_INT_730_CFCD		2
# define OMAP_INT_730_CFIREQ		3
# define OMAP_INT_730_I2C		4
# define OMAP_INT_730_PCC		5
# define OMAP_INT_730_MPU_EXT_NIRQ	6
# define OMAP_INT_730_SPI_100K_1	7
# define OMAP_INT_730_SYREN_SPI		8
# define OMAP_INT_730_VLYNQ		9
# define OMAP_INT_730_GPIO_BANK4	10
# define OMAP_INT_730_McBSP1TX		11
# define OMAP_INT_730_McBSP1RX		12
# define OMAP_INT_730_McBSP1RX_OF	13
# define OMAP_INT_730_UART_MODEM_IRDA_2	14
# define OMAP_INT_730_UART_MODEM_1	15
# define OMAP_INT_730_MCSI		16
# define OMAP_INT_730_uWireTX		17
# define OMAP_INT_730_uWireRX		18
# define OMAP_INT_730_SMC_CD		19
# define OMAP_INT_730_SMC_IREQ		20
# define OMAP_INT_730_HDQ_1WIRE		21
# define OMAP_INT_730_TIMER32K		22
# define OMAP_INT_730_MMC_SDIO		23
# define OMAP_INT_730_UPLD		24
# define OMAP_INT_730_USB_HHC_1		27
# define OMAP_INT_730_USB_HHC_2		28
# define OMAP_INT_730_USB_GENI		29
# define OMAP_INT_730_USB_OTG		30
# define OMAP_INT_730_CAMERA_IF		31
# define OMAP_INT_730_RNG		32
# define OMAP_INT_730_DUAL_MODE_TIMER	33
# define OMAP_INT_730_DBB_RF_EN		34
# define OMAP_INT_730_MPUIO_KEYPAD	35
# define OMAP_INT_730_SHA1_MD5		36
# define OMAP_INT_730_SPI_100K_2	37
# define OMAP_INT_730_RNG_IDLE		38
# define OMAP_INT_730_MPUIO		39
# define OMAP_INT_730_LLPC_LCD_CTRL_OFF	40
# define OMAP_INT_730_LLPC_OE_FALLING	41
# define OMAP_INT_730_LLPC_OE_RISING	42
# define OMAP_INT_730_LLPC_VSYNC	43
# define OMAP_INT_730_WAKE_UP_REQ	46
# define OMAP_INT_730_DMA_CH6		53
# define OMAP_INT_730_DMA_CH7		54
# define OMAP_INT_730_DMA_CH8		55
# define OMAP_INT_730_DMA_CH9		56
# define OMAP_INT_730_DMA_CH10		57
# define OMAP_INT_730_DMA_CH11		58
# define OMAP_INT_730_DMA_CH12		59
# define OMAP_INT_730_DMA_CH13		60
# define OMAP_INT_730_DMA_CH14		61
# define OMAP_INT_730_DMA_CH15		62
# define OMAP_INT_730_NAND		63

/*
 * OMAP-24xx common IRQ numbers
 */
# define OMAP_INT_24XX_SYS_NIRQ		7
# define OMAP_INT_24XX_SDMA_IRQ0	12
# define OMAP_INT_24XX_SDMA_IRQ1	13
# define OMAP_INT_24XX_SDMA_IRQ2	14
# define OMAP_INT_24XX_SDMA_IRQ3	15
# define OMAP_INT_24XX_CAM_IRQ		24
# define OMAP_INT_24XX_DSS_IRQ		25
# define OMAP_INT_24XX_MAIL_U0_MPU	26
# define OMAP_INT_24XX_DSP_UMA		27
# define OMAP_INT_24XX_DSP_MMU		28
# define OMAP_INT_24XX_GPIO_BANK1	29
# define OMAP_INT_24XX_GPIO_BANK2	30
# define OMAP_INT_24XX_GPIO_BANK3	31
# define OMAP_INT_24XX_GPIO_BANK4	32
# define OMAP_INT_24XX_GPIO_BANK5	33
# define OMAP_INT_24XX_MAIL_U3_MPU	34
# define OMAP_INT_24XX_GPTIMER1		37
# define OMAP_INT_24XX_GPTIMER2		38
# define OMAP_INT_24XX_GPTIMER3		39
# define OMAP_INT_24XX_GPTIMER4		40
# define OMAP_INT_24XX_GPTIMER5		41
# define OMAP_INT_24XX_GPTIMER6		42
# define OMAP_INT_24XX_GPTIMER7		43
# define OMAP_INT_24XX_GPTIMER8		44
# define OMAP_INT_24XX_GPTIMER9		45
# define OMAP_INT_24XX_GPTIMER10	46
# define OMAP_INT_24XX_GPTIMER11	47
# define OMAP_INT_24XX_GPTIMER12	48
# define OMAP_INT_24XX_MCBSP1_IRQ_TX	59
# define OMAP_INT_24XX_MCBSP1_IRQ_RX	60
# define OMAP_INT_24XX_MCBSP2_IRQ_TX	62
# define OMAP_INT_24XX_MCBSP2_IRQ_RX	63
# define OMAP_INT_24XX_UART1_IRQ	72
# define OMAP_INT_24XX_UART2_IRQ	73
# define OMAP_INT_24XX_UART3_IRQ	74
# define OMAP_INT_24XX_USB_IRQ_GEN	75
# define OMAP_INT_24XX_USB_IRQ_NISO	76
# define OMAP_INT_24XX_USB_IRQ_ISO	77
# define OMAP_INT_24XX_USB_IRQ_HGEN	78
# define OMAP_INT_24XX_USB_IRQ_HSOF	79
# define OMAP_INT_24XX_USB_IRQ_OTG	80
# define OMAP_INT_24XX_MMC_IRQ		83
# define OMAP_INT_243X_HS_USB_MC	92
# define OMAP_INT_243X_HS_USB_DMA	93
# define OMAP_INT_243X_CARKIT		94

enum omap_dma_model {
    omap_dma_3_1 = 0,
    omap_dma_3_2
};

struct omap_dma_s;
struct omap_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
                qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
                enum omap_dma_model model);

enum omap_dma_port {
    emiff = 0,
    emifs,
    imif,	/* omap16xx: ocp_t1 */
    tipb,
    local,	/* omap16xx: ocp_t2 */
    tipb_mpui,
    omap_dma_port_last,
};

typedef enum {
    constant = 0,
    post_incremented,
    single_index,
    double_index,
} omap_dma_addressing_t;

struct omap_dma_lcd_channel_s {
    enum omap_dma_port src;
    target_phys_addr_t src_f1_top;
    target_phys_addr_t src_f1_bottom;
    target_phys_addr_t src_f2_top;
    target_phys_addr_t src_f2_bottom;

    /* Used in OMAP DMA 3.2 gigacell */
    unsigned char brust_f1;
    unsigned char pack_f1;
    unsigned char data_type_f1;
    unsigned char brust_f2;
    unsigned char pack_f2;
    unsigned char data_type_f2;
    unsigned char end_prog;
    unsigned char repeat;
    unsigned char auto_init;
    unsigned char priority;
    unsigned char fs;
    unsigned char running;
    unsigned char bs;
    unsigned char omap_3_1_compatible_disable;
    unsigned char dst;
    unsigned char lch_type;
    int16_t element_index_f1;
    int16_t element_index_f2;
    int32_t frame_index_f1;
    int32_t frame_index_f2;
    uint16_t elements_f1;
    uint16_t frames_f1;
    uint16_t elements_f2;
    uint16_t frames_f2;
    omap_dma_addressing_t mode_f1;
    omap_dma_addressing_t mode_f2;

    /* Destination port is fixed.  */
    int interrupts;
    int condition;
    int dual;

    int current_frame;
    ram_addr_t phys_framebuffer[2];
    qemu_irq irq;
    struct omap_mpu_state_s *mpu;
};

/*
 * DMA request numbers for OMAP1
 * See /usr/include/asm-arm/arch-omap/dma.h in Linux.
 */
# define OMAP_DMA_NO_DEVICE		0
# define OMAP_DMA_MCSI1_TX		1
# define OMAP_DMA_MCSI1_RX		2
# define OMAP_DMA_I2C_RX		3
# define OMAP_DMA_I2C_TX		4
# define OMAP_DMA_EXT_NDMA_REQ0		5
# define OMAP_DMA_EXT_NDMA_REQ1		6
# define OMAP_DMA_UWIRE_TX		7
# define OMAP_DMA_MCBSP1_TX		8
# define OMAP_DMA_MCBSP1_RX		9
# define OMAP_DMA_MCBSP3_TX		10
# define OMAP_DMA_MCBSP3_RX		11
# define OMAP_DMA_UART1_TX		12
# define OMAP_DMA_UART1_RX		13
# define OMAP_DMA_UART2_TX		14
# define OMAP_DMA_UART2_RX		15
# define OMAP_DMA_MCBSP2_TX		16
# define OMAP_DMA_MCBSP2_RX		17
# define OMAP_DMA_UART3_TX		18
# define OMAP_DMA_UART3_RX		19
# define OMAP_DMA_CAMERA_IF_RX		20
# define OMAP_DMA_MMC_TX		21
# define OMAP_DMA_MMC_RX		22
# define OMAP_DMA_NAND			23	/* Not in OMAP310 */
# define OMAP_DMA_IRQ_LCD_LINE		24	/* Not in OMAP310 */
# define OMAP_DMA_MEMORY_STICK		25	/* Not in OMAP310 */
# define OMAP_DMA_USB_W2FC_RX0		26
# define OMAP_DMA_USB_W2FC_RX1		27
# define OMAP_DMA_USB_W2FC_RX2		28
# define OMAP_DMA_USB_W2FC_TX0		29
# define OMAP_DMA_USB_W2FC_TX1		30
# define OMAP_DMA_USB_W2FC_TX2		31

/* These are only for 1610 */
# define OMAP_DMA_CRYPTO_DES_IN		32
# define OMAP_DMA_SPI_TX		33
# define OMAP_DMA_SPI_RX		34
# define OMAP_DMA_CRYPTO_HASH		35
# define OMAP_DMA_CCP_ATTN		36
# define OMAP_DMA_CCP_FIFO_NOT_EMPTY	37
# define OMAP_DMA_CMT_APE_TX_CHAN_0	38
# define OMAP_DMA_CMT_APE_RV_CHAN_0	39
# define OMAP_DMA_CMT_APE_TX_CHAN_1	40
# define OMAP_DMA_CMT_APE_RV_CHAN_1	41
# define OMAP_DMA_CMT_APE_TX_CHAN_2	42
# define OMAP_DMA_CMT_APE_RV_CHAN_2	43
# define OMAP_DMA_CMT_APE_TX_CHAN_3	44
# define OMAP_DMA_CMT_APE_RV_CHAN_3	45
# define OMAP_DMA_CMT_APE_TX_CHAN_4	46
# define OMAP_DMA_CMT_APE_RV_CHAN_4	47
# define OMAP_DMA_CMT_APE_TX_CHAN_5	48
# define OMAP_DMA_CMT_APE_RV_CHAN_5	49
# define OMAP_DMA_CMT_APE_TX_CHAN_6	50
# define OMAP_DMA_CMT_APE_RV_CHAN_6	51
# define OMAP_DMA_CMT_APE_TX_CHAN_7	52
# define OMAP_DMA_CMT_APE_RV_CHAN_7	53
# define OMAP_DMA_MMC2_TX		54
# define OMAP_DMA_MMC2_RX		55
# define OMAP_DMA_CRYPTO_DES_OUT	56

struct omap_mpu_timer_s;
struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);

struct omap_watchdog_timer_s;
struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);

struct omap_32khz_timer_s;
struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);

struct omap_tipb_bridge_s;
struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
                qemu_irq abort_irq, omap_clk clk);

struct omap_uart_s;
struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk, CharDriverState *chr);

struct omap_mpuio_s;
struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base,
                qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
                omap_clk clk);
qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s);
void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler);
void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down);

struct omap_gpio_s;
struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);
qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s);
void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler);

struct uwire_slave_s {
    uint16_t (*receive)(void *opaque);
    void (*send)(void *opaque, uint16_t data);
    void *opaque;
};
struct omap_uwire_s;
struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
                qemu_irq *irq, qemu_irq dma, omap_clk clk);
void omap_uwire_attach(struct omap_uwire_s *s,
                struct uwire_slave_s *slave, int chipselect);

struct omap_rtc_s;
struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
                qemu_irq *irq, omap_clk clk);

struct i2s_codec_s {
    void *opaque;

    /* The CPU can call this if it is generating the clock signal on the
     * i2s port.  The CODEC can ignore it if it is set up as a clock
     * master and generates its own clock.  */
    void (*set_rate)(void *opaque, int in, int out);

    void (*tx_swallow)(void *opaque);
    qemu_irq rx_swallow;
    qemu_irq tx_start;

    int tx_rate;
    int cts;
    int rx_rate;
    int rts;

    struct i2s_fifo_s {
        uint8_t *fifo;
        int len;
        int start;
        int size;
    } in, out;
};
struct omap_mcbsp_s;
struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
                qemu_irq *irq, qemu_irq *dma, omap_clk clk);
void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, struct i2s_codec_s *slave);

struct omap_lpg_s;
struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk);

/* omap_lcdc.c */
struct omap_lcd_panel_s;
void omap_lcdc_reset(struct omap_lcd_panel_s *s);
struct omap_lcd_panel_s *omap_lcdc_init(target_phys_addr_t base, qemu_irq irq,
                struct omap_dma_lcd_channel_s *dma, DisplayState *ds,
                ram_addr_t imif_base, ram_addr_t emiff_base, omap_clk clk);

/* omap_mmc.c */
struct omap_mmc_s;
struct omap_mmc_s *omap_mmc_init(target_phys_addr_t base,
                BlockDriverState *bd,
                qemu_irq irq, qemu_irq dma[], omap_clk clk);
void omap_mmc_reset(struct omap_mmc_s *s);
void omap_mmc_handlers(struct omap_mmc_s *s, qemu_irq ro, qemu_irq cover);

/* omap_i2c.c */
struct omap_i2c_s;
struct omap_i2c_s *omap_i2c_init(target_phys_addr_t base,
                qemu_irq irq, qemu_irq *dma, omap_clk clk);
void omap_i2c_reset(struct omap_i2c_s *s);
i2c_bus *omap_i2c_bus(struct omap_i2c_s *s);

# define cpu_is_omap310(cpu)		(cpu->mpu_model == omap310)
# define cpu_is_omap1510(cpu)		(cpu->mpu_model == omap1510)
# define cpu_is_omap15xx(cpu)		\
        (cpu_is_omap310(cpu) || cpu_is_omap1510(cpu))
# define cpu_class_omap1(cpu)		1

struct omap_mpu_state_s {
    enum omap1_mpu_model {
        omap310,
        omap1510,
    } mpu_model;

    CPUState *env;

    qemu_irq *irq[2];
    qemu_irq *drq;

    qemu_irq wakeup;

    struct omap_dma_port_if_s {
        uint32_t (*read[3])(struct omap_mpu_state_s *s,
                        target_phys_addr_t offset);
        void (*write[3])(struct omap_mpu_state_s *s,
                        target_phys_addr_t offset, uint32_t value);
        int (*addr_valid)(struct omap_mpu_state_s *s,
                        target_phys_addr_t addr);
    } port[omap_dma_port_last];

    unsigned long sdram_size;
    unsigned long sram_size;

    /* MPUI-TIPB peripherals */
    struct omap_uart_s *uart[3];

    struct omap_gpio_s *gpio;

    struct omap_mcbsp_s *mcbsp1;
    struct omap_mcbsp_s *mcbsp3;

    /* MPU public TIPB peripherals */
    struct omap_32khz_timer_s *os_timer;

    struct omap_mmc_s *mmc;

    struct omap_mpuio_s *mpuio;

    struct omap_uwire_s *microwire;

    struct {
        uint8_t output;
        uint8_t level;
        uint8_t enable;
        int clk;
    } pwl;

    struct {
        uint8_t frc;
        uint8_t vrc;
        uint8_t gcr;
        omap_clk clk;
    } pwt;

    struct omap_i2c_s *i2c;

    struct omap_rtc_s *rtc;

    struct omap_mcbsp_s *mcbsp2;

    struct omap_lpg_s *led[2];

    /* MPU private TIPB peripherals */
    struct omap_intr_handler_s *ih[2];

    struct omap_dma_s *dma;

    struct omap_mpu_timer_s *timer[3];
    struct omap_watchdog_timer_s *wdt;

    struct omap_lcd_panel_s *lcd;

    target_phys_addr_t ulpd_pm_base;
    uint32_t ulpd_pm_regs[21];
    int64_t ulpd_gauge_start;

    target_phys_addr_t pin_cfg_base;
    uint32_t func_mux_ctrl[14];
    uint32_t comp_mode_ctrl[1];
    uint32_t pull_dwn_ctrl[4];
    uint32_t gate_inh_ctrl[1];
    uint32_t voltage_ctrl[1];
    uint32_t test_dbg_ctrl[1];
    uint32_t mod_conf_ctrl[1];
    int compat1509;

    uint32_t mpui_ctrl;
    target_phys_addr_t mpui_base;

    struct omap_tipb_bridge_s *private_tipb;
    struct omap_tipb_bridge_s *public_tipb;

    target_phys_addr_t tcmi_base;
    uint32_t tcmi_regs[17];

    struct dpll_ctl_s {
        target_phys_addr_t base;
        uint16_t mode;
        omap_clk dpll;
    } dpll[3];

    omap_clk clks;
    struct {
        target_phys_addr_t mpu_base;
        target_phys_addr_t dsp_base;

        int cold_start;
        int clocking_scheme;
        uint16_t arm_ckctl;
        uint16_t arm_idlect1;
        uint16_t arm_idlect2;
        uint16_t arm_ewupct;
        uint16_t arm_rstct1;
        uint16_t arm_rstct2;
        uint16_t arm_ckout1;
        int dpll1_mode;
        uint16_t dsp_idlect1;
        uint16_t dsp_idlect2;
        uint16_t dsp_rstct2;
    } clkm;
} *omap310_mpu_init(unsigned long sdram_size,
                DisplayState *ds, const char *core);

# if TARGET_PHYS_ADDR_BITS == 32
#  define OMAP_FMT_plx "%#08x"
# elif TARGET_PHYS_ADDR_BITS == 64
#  define OMAP_FMT_plx "%#08" PRIx64
# else
#  error TARGET_PHYS_ADDR_BITS undefined
# endif

uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr);
void omap_badwidth_write8(void *opaque, target_phys_addr_t addr,
                uint32_t value);
uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr);
void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
                uint32_t value);
uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr);
void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
                uint32_t value);

# define OMAP_BAD_REG(paddr)		\
        printf("%s: Bad register " OMAP_FMT_plx "\n", __FUNCTION__, paddr)
# define OMAP_RO_REG(paddr)		\
        printf("%s: Read-only register " OMAP_FMT_plx "\n",	\
                        __FUNCTION__, paddr)

# define TCMI_VERBOSE			1
//# define MEM_VERBOSE			1

# ifdef TCMI_VERBOSE
#  define OMAP_8B_REG(paddr)		\
        printf("%s: 8-bit register " OMAP_FMT_plx "\n",	\
                        __FUNCTION__, paddr)
#  define OMAP_16B_REG(paddr)		\
        printf("%s: 16-bit register " OMAP_FMT_plx "\n",	\
                        __FUNCTION__, paddr)
#  define OMAP_32B_REG(paddr)		\
        printf("%s: 32-bit register " OMAP_FMT_plx "\n",	\
                        __FUNCTION__, paddr)
# else
#  define OMAP_8B_REG(paddr)
#  define OMAP_16B_REG(paddr)
#  define OMAP_32B_REG(paddr)
# endif

# define OMAP_MPUI_REG_MASK		0x000007ff

# ifdef MEM_VERBOSE
struct io_fn {
    CPUReadMemoryFunc **mem_read;
    CPUWriteMemoryFunc **mem_write;
    void *opaque;
    int in;
};

static uint32_t io_readb(void *opaque, target_phys_addr_t addr)
{
    struct io_fn *s = opaque;
    uint32_t ret;

    s->in ++;
    ret = s->mem_read[0](s->opaque, addr);
    s->in --;
    if (!s->in)
        fprintf(stderr, "%08x ---> %02x\n", (uint32_t) addr, ret);
    return ret;
}
static uint32_t io_readh(void *opaque, target_phys_addr_t addr)
{
    struct io_fn *s = opaque;
    uint32_t ret;

    s->in ++;
    ret = s->mem_read[1](s->opaque, addr);
    s->in --;
    if (!s->in)
        fprintf(stderr, "%08x ---> %04x\n", (uint32_t) addr, ret);
    return ret;
}
static uint32_t io_readw(void *opaque, target_phys_addr_t addr)
{
    struct io_fn *s = opaque;
    uint32_t ret;

    s->in ++;
    ret = s->mem_read[2](s->opaque, addr);
    s->in --;
    if (!s->in)
        fprintf(stderr, "%08x ---> %08x\n", (uint32_t) addr, ret);
    return ret;
}
static void io_writeb(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    struct io_fn *s = opaque;

    if (!s->in)
        fprintf(stderr, "%08x <--- %02x\n", (uint32_t) addr, value);
    s->in ++;
    s->mem_write[0](s->opaque, addr, value);
    s->in --;
}
static void io_writeh(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    struct io_fn *s = opaque;

    if (!s->in)
        fprintf(stderr, "%08x <--- %04x\n", (uint32_t) addr, value);
    s->in ++;
    s->mem_write[1](s->opaque, addr, value);
    s->in --;
}
static void io_writew(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    struct io_fn *s = opaque;

    if (!s->in)
        fprintf(stderr, "%08x <--- %08x\n", (uint32_t) addr, value);
    s->in ++;
    s->mem_write[2](s->opaque, addr, value);
    s->in --;
}

static CPUReadMemoryFunc *io_readfn[] = { io_readb, io_readh, io_readw, };
static CPUWriteMemoryFunc *io_writefn[] = { io_writeb, io_writeh, io_writew, };

inline static int debug_register_io_memory(int io_index,
                CPUReadMemoryFunc **mem_read, CPUWriteMemoryFunc **mem_write,
                void *opaque)
{
    struct io_fn *s = qemu_malloc(sizeof(struct io_fn));

    s->mem_read = mem_read;
    s->mem_write = mem_write;
    s->opaque = opaque;
    s->in = 0;
    return cpu_register_io_memory(io_index, io_readfn, io_writefn, s);
}
#  define cpu_register_io_memory	debug_register_io_memory
# endif

/* Not really omap specific, but is the only thing that uses the
   uwire interface.  */
/* tsc210x.c */
struct uwire_slave_s *tsc2102_init(qemu_irq pint, AudioState *audio);
struct i2s_codec_s *tsc210x_codec(struct uwire_slave_s *chip);

#endif /* hw_omap_h */