/*
 * Intel XScale PXA255/270 processor support.
 *
 * Copyright (c) 2006 Openedhand Ltd.
 * Written by Andrzej Zaborowski <balrog@zabor.org>
 *
 * This code is licenced under the GNU GPL v2.
 */
#ifndef PXA_H
# define PXA_H			"pxa.h"

/* Interrupt numbers */
# define PXA2XX_PIC_SSP3	0
# define PXA2XX_PIC_USBH2	2
# define PXA2XX_PIC_USBH1	3
# define PXA2XX_PIC_PWRI2C	6
# define PXA25X_PIC_HWUART	7
# define PXA27X_PIC_OST_4_11	7
# define PXA2XX_PIC_GPIO_0	8
# define PXA2XX_PIC_GPIO_1	9
# define PXA2XX_PIC_GPIO_X	10
# define PXA2XX_PIC_I2S 	13
# define PXA26X_PIC_ASSP	15
# define PXA25X_PIC_NSSP	16
# define PXA27X_PIC_SSP2	16
# define PXA2XX_PIC_LCD		17
# define PXA2XX_PIC_I2C		18
# define PXA2XX_PIC_ICP		19
# define PXA2XX_PIC_STUART	20
# define PXA2XX_PIC_BTUART	21
# define PXA2XX_PIC_FFUART	22
# define PXA2XX_PIC_MMC		23
# define PXA2XX_PIC_SSP		24
# define PXA2XX_PIC_DMA		25
# define PXA2XX_PIC_OST_0	26
# define PXA2XX_PIC_RTC1HZ	30
# define PXA2XX_PIC_RTCALARM	31

/* DMA requests */
# define PXA2XX_RX_RQ_I2S	2
# define PXA2XX_TX_RQ_I2S	3
# define PXA2XX_RX_RQ_BTUART	4
# define PXA2XX_TX_RQ_BTUART	5
# define PXA2XX_RX_RQ_FFUART	6
# define PXA2XX_TX_RQ_FFUART	7
# define PXA2XX_RX_RQ_SSP1	13
# define PXA2XX_TX_RQ_SSP1	14
# define PXA2XX_RX_RQ_SSP2	15
# define PXA2XX_TX_RQ_SSP2	16
# define PXA2XX_RX_RQ_ICP	17
# define PXA2XX_TX_RQ_ICP	18
# define PXA2XX_RX_RQ_STUART	19
# define PXA2XX_TX_RQ_STUART	20
# define PXA2XX_RX_RQ_MMCI	21
# define PXA2XX_TX_RQ_MMCI	22
# define PXA2XX_USB_RQ(x)	((x) + 24)
# define PXA2XX_RX_RQ_SSP3	66
# define PXA2XX_TX_RQ_SSP3	67

# define PXA2XX_SDRAM_BASE	0xa0000000
# define PXA2XX_INTERNAL_BASE	0x5c000000
# define PXA2XX_INTERNAL_SIZE	0x40000

/* pxa2xx_pic.c */
qemu_irq *pxa2xx_pic_init(target_phys_addr_t base, CPUState *env);

/* pxa2xx_timer.c */
void pxa25x_timer_init(target_phys_addr_t base, qemu_irq *irqs);
void pxa27x_timer_init(target_phys_addr_t base, qemu_irq *irqs, qemu_irq irq4);

/* pxa2xx_gpio.c */
struct pxa2xx_gpio_info_s;
struct pxa2xx_gpio_info_s *pxa2xx_gpio_init(target_phys_addr_t base,
                CPUState *env, qemu_irq *pic, int lines);
void pxa2xx_gpio_set(struct pxa2xx_gpio_info_s *s, int line, int level);
void pxa2xx_gpio_handler_set(struct pxa2xx_gpio_info_s *s, int line,
                gpio_handler_t handler, void *opaque);
void pxa2xx_gpio_read_notifier(struct pxa2xx_gpio_info_s *s,
                void (*handler)(void *opaque), void *opaque);

/* pxa2xx_dma.c */
struct pxa2xx_dma_state_s;
struct pxa2xx_dma_state_s *pxa255_dma_init(target_phys_addr_t base,
                qemu_irq irq);
struct pxa2xx_dma_state_s *pxa27x_dma_init(target_phys_addr_t base,
                qemu_irq irq);
void pxa2xx_dma_request(struct pxa2xx_dma_state_s *s, int req_num, int on);

/* pxa2xx_lcd.c */
struct pxa2xx_lcdc_s;
struct pxa2xx_lcdc_s *pxa2xx_lcdc_init(target_phys_addr_t base,
                qemu_irq irq, DisplayState *ds);
void pxa2xx_lcd_vsync_cb(struct pxa2xx_lcdc_s *s,
                void (*cb)(void *opaque), void *opaque);
void pxa2xx_lcdc_oritentation(void *opaque, int angle);

/* pxa2xx_mmci.c */
struct pxa2xx_mmci_s;
struct pxa2xx_mmci_s *pxa2xx_mmci_init(target_phys_addr_t base,
                qemu_irq irq, void *dma);
void pxa2xx_mmci_handlers(struct pxa2xx_mmci_s *s, void *opaque,
                void (*readonly_cb)(void *, int),
                void (*coverswitch_cb)(void *, int));

/* pxa2xx_pcmcia.c */
struct pxa2xx_pcmcia_s;
struct pxa2xx_pcmcia_s *pxa2xx_pcmcia_init(target_phys_addr_t base);
int pxa2xx_pcmcia_attach(void *opaque, struct pcmcia_card_s *card);
int pxa2xx_pcmcia_dettach(void *opaque);
void pxa2xx_pcmcia_set_irq_cb(void *opaque, qemu_irq irq, qemu_irq cd_irq);

/* pxa2xx.c */
struct pxa2xx_ssp_s;
void pxa2xx_ssp_attach(struct pxa2xx_ssp_s *port,
                uint32_t (*readfn)(void *opaque),
                void (*writefn)(void *opaque, uint32_t value), void *opaque);

struct pxa2xx_i2c_s;
struct pxa2xx_i2c_s *pxa2xx_i2c_init(target_phys_addr_t base,
                qemu_irq irq, uint32_t page_size);
i2c_bus *pxa2xx_i2c_bus(struct pxa2xx_i2c_s *s);

struct pxa2xx_i2s_s;
struct pxa2xx_fir_s;

struct pxa2xx_state_s {
    CPUState *env;
    qemu_irq *pic;
    struct pxa2xx_dma_state_s *dma;
    struct pxa2xx_gpio_info_s *gpio;
    struct pxa2xx_lcdc_s *lcd;
    struct pxa2xx_ssp_s **ssp;
    struct pxa2xx_i2c_s *i2c[2];
    struct pxa2xx_mmci_s *mmc;
    struct pxa2xx_pcmcia_s *pcmcia[2];
    struct pxa2xx_i2s_s *i2s;
    struct pxa2xx_fir_s *fir;

    /* Power management */
    target_phys_addr_t pm_base;
    uint32_t pm_regs[0x40];

    /* Clock management */
    target_phys_addr_t cm_base;
    uint32_t cm_regs[4];
    uint32_t clkcfg;

    /* Memory management */
    target_phys_addr_t mm_base;
    uint32_t mm_regs[0x1a];

    /* Performance monitoring */
    uint32_t pmnc;

    /* Real-Time clock */
    target_phys_addr_t rtc_base;
    uint32_t rttr;
    uint32_t rtsr;
    uint32_t rtar;
    uint32_t rdar1;
    uint32_t rdar2;
    uint32_t ryar1;
    uint32_t ryar2;
    uint32_t swar1;
    uint32_t swar2;
    uint32_t piar;
    uint32_t last_rcnr;
    uint32_t last_rdcr;
    uint32_t last_rycr;
    uint32_t last_swcr;
    uint32_t last_rtcpicr;
    int64_t last_hz;
    int64_t last_sw;
    int64_t last_pi;
    QEMUTimer *rtc_hz;
    QEMUTimer *rtc_rdal1;
    QEMUTimer *rtc_rdal2;
    QEMUTimer *rtc_swal1;
    QEMUTimer *rtc_swal2;
    QEMUTimer *rtc_pi;
};

struct pxa2xx_i2s_s {
    target_phys_addr_t base;
    qemu_irq irq;
    struct pxa2xx_dma_state_s *dma;
    void (*data_req)(void *, int, int);

    uint32_t control[2];
    uint32_t status;
    uint32_t mask;
    uint32_t clk;

    int enable;
    int rx_len;
    int tx_len;
    void (*codec_out)(void *, uint32_t);
    uint32_t (*codec_in)(void *);
    void *opaque;

    int fifo_len;
    uint32_t fifo[16];
};

# define PA_FMT			"0x%08lx"
# define REG_FMT		"0x%lx"

struct pxa2xx_state_s *pxa270_init(unsigned int sdram_size, DisplayState *ds,
                const char *revision);
struct pxa2xx_state_s *pxa255_init(unsigned int sdram_size, DisplayState *ds);

void pxa2xx_reset(int line, int level, void *opaque);

#endif	/* PXA_H */