/*
* Driver for HAL2 sound processors
* Copyright (c) 1999 Ulf Carlsson <ulfc@bun.falkenberg.se>
- * Copyright (c) 2001 Ladislav Michl <ladis@psi.cz>
+ * Copyright (c) 2001, 2002, 2003 Ladislav Michl <ladis@linux-mips.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
*/
#include <asm/addrspace.h>
-#include <asm/sgi/sgihpc.h>
+#include <asm/sgi/hpc3.h>
#include <linux/spinlock.h>
#include <linux/types.h>
-#define H2_HAL2_BASE 0x58000
-#define H2_CTL_PIO (H2_HAL2_BASE + 0 * 0x400)
-#define H2_AES_PIO (H2_HAL2_BASE + 1 * 0x400)
-#define H2_VOL_PIO (H2_HAL2_BASE + 2 * 0x400)
-#define H2_SYN_PIO (H2_HAL2_BASE + 3 * 0x400)
-
/* Indirect status register */
#define H2_ISR_TSTATUS 0x01 /* RO: transaction status 1=busy */
#define H2I_UTIME_2_LD 0xffff /* seconds, LSB's */
#define H2I_UTIME_3_LD 0xffff /* seconds, MSB's */
-typedef volatile u32 hal2_reg_t;
-
-typedef struct stru_hal2_ctl_regs hal2_ctl_regs_t;
-struct stru_hal2_ctl_regs {
- hal2_reg_t _unused0[4];
- hal2_reg_t isr; /* 0x10 Status Register */
- hal2_reg_t _unused1[3];
- hal2_reg_t rev; /* 0x20 Revision Register */
- hal2_reg_t _unused2[3];
- hal2_reg_t iar; /* 0x30 Indirect Address Register */
- hal2_reg_t _unused3[3];
- hal2_reg_t idr0; /* 0x40 Indirect Data Register 0 */
- hal2_reg_t _unused4[3];
- hal2_reg_t idr1; /* 0x50 Indirect Data Register 1 */
- hal2_reg_t _unused5[3];
- hal2_reg_t idr2; /* 0x60 Indirect Data Register 2 */
- hal2_reg_t _unused6[3];
- hal2_reg_t idr3; /* 0x70 Indirect Data Register 3 */
+struct hal2_ctl_regs {
+ u32 _unused0[4];
+ volatile u32 isr; /* 0x10 Status Register */
+ u32 _unused1[3];
+ volatile u32 rev; /* 0x20 Revision Register */
+ u32 _unused2[3];
+ volatile u32 iar; /* 0x30 Indirect Address Register */
+ u32 _unused3[3];
+ volatile u32 idr0; /* 0x40 Indirect Data Register 0 */
+ u32 _unused4[3];
+ volatile u32 idr1; /* 0x50 Indirect Data Register 1 */
+ u32 _unused5[3];
+ volatile u32 idr2; /* 0x60 Indirect Data Register 2 */
+ u32 _unused6[3];
+ volatile u32 idr3; /* 0x70 Indirect Data Register 3 */
};
-typedef struct stru_hal2_aes_regs hal2_aes_regs_t;
-struct stru_hal2_aes_regs {
- hal2_reg_t rx_stat[2]; /* Status registers */
- hal2_reg_t rx_cr[2]; /* Control registers */
- hal2_reg_t rx_ud[4]; /* User data window */
- hal2_reg_t rx_st[24]; /* Channel status data */
+struct hal2_aes_regs {
+ volatile u32 rx_stat[2]; /* Status registers */
+ volatile u32 rx_cr[2]; /* Control registers */
+ volatile u32 rx_ud[4]; /* User data window */
+ volatile u32 rx_st[24]; /* Channel status data */
- hal2_reg_t tx_stat[1]; /* Status register */
- hal2_reg_t tx_cr[3]; /* Control registers */
- hal2_reg_t tx_ud[4]; /* User data window */
- hal2_reg_t tx_st[24]; /* Channel status data */
-};
-
-typedef struct stru_hal2_vol_regs hal2_vol_regs_t;
-struct stru_hal2_vol_regs {
- hal2_reg_t right; /* 0x00 Right volume */
- hal2_reg_t left; /* 0x04 Left volume */
-};
-
-typedef struct stru_hal2_syn_regs hal2_syn_regs_t;
-struct stru_hal2_syn_regs {
- hal2_reg_t _unused0[2];
- hal2_reg_t page; /* DOC Page register */
- hal2_reg_t regsel; /* DOC Register selection */
- hal2_reg_t dlow; /* DOC Data low */
- hal2_reg_t dhigh; /* DOC Data high */
- hal2_reg_t irq; /* IRQ Status */
- hal2_reg_t dram; /* DRAM Access */
-};
-
-/* HAL2 specific structures */
-
-typedef struct stru_hal2_pbus hal2_pbus_t;
-struct stru_hal2_pbus {
- struct hpc3_pbus_dmacregs *pbus;
- int pbusnr;
- unsigned int ctrl; /* Current state of pbus->pbdma_ctrl */
-};
-
-typedef struct stru_hal2_binfo hal2_binfo_t;
-typedef struct stru_hal2_buffer hal2_buf_t;
-struct stru_hal2_binfo {
- volatile struct hpc_dma_desc desc;
- hal2_buf_t *next; /* pointer to next buffer */
- int cnt; /* bytes in buffer */
-};
-#define H2_BUFFER_SIZE (PAGE_SIZE - \
- ((sizeof(hal2_binfo_t) - 1) / 8 + 1) * 8)
-struct stru_hal2_buffer {
- hal2_binfo_t info;
- char data[H2_BUFFER_SIZE] __attribute__((aligned(8)));
+ volatile u32 tx_stat[1]; /* Status register */
+ volatile u32 tx_cr[3]; /* Control registers */
+ volatile u32 tx_ud[4]; /* User data window */
+ volatile u32 tx_st[24]; /* Channel status data */
};
-typedef struct stru_hal2_codec hal2_codec_t;
-struct stru_hal2_codec {
- hal2_buf_t *head;
- hal2_buf_t *tail;
- hal2_pbus_t pbus;
- unsigned int format; /* Audio data format */
- int voices; /* mono/stereo */
- unsigned int sample_rate;
- unsigned int master; /* Master frequency */
- unsigned short mod; /* MOD value */
- unsigned short inc; /* INC value */
-
- wait_queue_head_t dma_wait;
- spinlock_t lock;
- struct semaphore sem;
-
- int usecount; /* recording and playback are
- * independent */
+struct hal2_vol_regs {
+ volatile u32 right; /* Right volume */
+ volatile u32 left; /* Left volume */
};
-#define H2_MIX_OUTPUT_ATT 0
-#define H2_MIX_INPUT_GAIN 1
-#define H2_MIXERS 2
-typedef struct stru_hal2_mixer hal2_mixer_t;
-struct stru_hal2_mixer {
- int modcnt;
- unsigned int volume[H2_MIXERS];
-};
-
-typedef struct stru_hal2_card hal2_card_t;
-struct stru_hal2_card {
- int dev_dsp; /* audio device */
- int dev_mixer; /* mixer device */
- int dev_midi; /* midi device */
-
- hal2_ctl_regs_t *ctl_regs; /* HAL2 ctl registers */
- hal2_aes_regs_t *aes_regs; /* HAL2 vol registers */
- hal2_vol_regs_t *vol_regs; /* HAL2 aes registers */
- hal2_syn_regs_t *syn_regs; /* HAL2 syn registers */
-
- hal2_codec_t dac;
- hal2_codec_t adc;
- hal2_mixer_t mixer;
+struct hal2_syn_regs {
+ u32 _unused0[2];
+ volatile u32 page; /* DOC Page register */
+ volatile u32 regsel; /* DOC Register selection */
+ volatile u32 dlow; /* DOC Data low */
+ volatile u32 dhigh; /* DOC Data high */
+ volatile u32 irq; /* IRQ Status */
+ volatile u32 dram; /* DRAM Access */
};
-#endif /* __HAL2_H */
+#endif /* __HAL2_H */
git://git.onelab.eu / linux-2.6.git / blobdiff