Add WM8750 and MAX7310 chips (I2C slaves).
Wolfson Microsystems WM8750 audio chip and Maxim MAX7310 gpio expander chip are used in the Spitz. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2854 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog
parent
3f582262e5
commit
adb86c372e
@ -459,8 +459,8 @@ VL_OBJS+= versatile_pci.o sd.o ptimer.o
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VL_OBJS+= arm_gic.o realview.o arm_sysctl.o
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VL_OBJS+= arm-semi.o
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VL_OBJS+= pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
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VL_OBJS+= pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o max111x.o
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VL_OBJS+= spitz.o ads7846.o ide.o serial.o nand.o $(AUDIODRV)
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VL_OBJS+= pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o max111x.o max7310.o
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VL_OBJS+= spitz.o ads7846.o ide.o serial.o nand.o $(AUDIODRV) wm8750.o
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CPPFLAGS += -DHAS_AUDIO
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endif
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ifeq ($(TARGET_BASE_ARCH), sh4)
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14
hw/i2c.h
14
hw/i2c.h
@ -46,4 +46,18 @@ void i2c_nack(i2c_bus *bus);
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int i2c_send(i2c_bus *bus, uint8_t data);
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int i2c_recv(i2c_bus *bus);
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/* max7310.c */
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i2c_slave *max7310_init(i2c_bus *bus);
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void max7310_reset(i2c_slave *i2c);
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qemu_irq *max7310_gpio_in_get(i2c_slave *i2c);
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void max7310_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler);
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/* wm8750.c */
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i2c_slave *wm8750_init(i2c_bus *bus, AudioState *audio);
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void wm8750_reset(i2c_slave *i2c);
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void wm8750_data_req_set(i2c_slave *i2c,
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void (*data_req)(void *, int, int), void *opaque);
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void wm8750_dac_dat(void *opaque, uint32_t sample);
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uint32_t wm8750_adc_dat(void *opaque);
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#endif
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188
hw/max7310.c
Normal file
188
hw/max7310.c
Normal file
@ -0,0 +1,188 @@
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/*
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* MAX7310 8-port GPIO expansion chip.
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*
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* Copyright (c) 2006 Openedhand Ltd.
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* Written by Andrzej Zaborowski <balrog@zabor.org>
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*
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* This file is licensed under GNU GPL.
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*/
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#include "vl.h"
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struct max7310_s {
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i2c_slave i2c;
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int i2c_command_byte;
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int len;
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uint8_t level;
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uint8_t direction;
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uint8_t polarity;
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uint8_t status;
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uint8_t command;
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qemu_irq handler[8];
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qemu_irq *gpio_in;
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};
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void max7310_reset(i2c_slave *i2c)
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{
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struct max7310_s *s = (struct max7310_s *) i2c;
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s->level &= s->direction;
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s->direction = 0xff;
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s->polarity = 0xf0;
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s->status = 0x01;
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s->command = 0x00;
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}
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static int max7310_rx(i2c_slave *i2c)
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{
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struct max7310_s *s = (struct max7310_s *) i2c;
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switch (s->command) {
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case 0x00: /* Input port */
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return s->level ^ s->polarity;
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break;
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case 0x01: /* Output port */
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return s->level & ~s->direction;
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break;
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case 0x02: /* Polarity inversion */
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return s->polarity;
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case 0x03: /* Configuration */
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return s->direction;
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case 0x04: /* Timeout */
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return s->status;
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break;
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case 0xff: /* Reserved */
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return 0xff;
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default:
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#ifdef VERBOSE
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printf("%s: unknown register %02x\n", __FUNCTION__, s->command);
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#endif
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break;
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}
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return 0xff;
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}
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static int max7310_tx(i2c_slave *i2c, uint8_t data)
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{
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struct max7310_s *s = (struct max7310_s *) i2c;
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uint8_t diff;
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int line;
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if (s->len ++ > 1) {
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#ifdef VERBOSE
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printf("%s: message too long (%i bytes)\n", __FUNCTION__, s->len);
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#endif
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return 1;
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}
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if (s->i2c_command_byte) {
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s->command = data;
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s->i2c_command_byte = 0;
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return 0;
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}
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switch (s->command) {
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case 0x01: /* Output port */
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for (diff = (data ^ s->level) & ~s->direction; diff;
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diff &= ~(1 << line)) {
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line = ffs(diff) - 1;
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if (s->handler[line])
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qemu_set_irq(s->handler[line], (data >> line) & 1);
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}
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s->level = (s->level & s->direction) | (data & ~s->direction);
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break;
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case 0x02: /* Polarity inversion */
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s->polarity = data;
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break;
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case 0x03: /* Configuration */
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s->level &= ~(s->direction ^ data);
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s->direction = data;
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break;
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case 0x04: /* Timeout */
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s->status = data;
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break;
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case 0x00: /* Input port - ignore writes */
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break;
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default:
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#ifdef VERBOSE
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printf("%s: unknown register %02x\n", __FUNCTION__, s->command);
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#endif
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return 1;
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}
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return 0;
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}
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static void max7310_event(i2c_slave *i2c, enum i2c_event event)
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{
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struct max7310_s *s = (struct max7310_s *) i2c;
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s->len = 0;
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switch (event) {
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case I2C_START_SEND:
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s->i2c_command_byte = 1;
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break;
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case I2C_FINISH:
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if (s->len == 1)
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#ifdef VERBOSE
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printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len);
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#endif
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break;
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default:
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break;
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}
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}
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static void max7310_gpio_set(void *opaque, int line, int level)
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{
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struct max7310_s *s = (struct max7310_s *) opaque;
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if (line >= sizeof(s->handler) / sizeof(*s->handler) || line < 0)
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cpu_abort(cpu_single_env, "bad GPIO line");
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if (level)
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s->level |= s->direction & (1 << line);
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else
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s->level &= ~(s->direction & (1 << line));
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}
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/* MAX7310 is SMBus-compatible (can be used with only SMBus protocols),
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* but also accepts sequences that are not SMBus so return an I2C device. */
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struct i2c_slave *max7310_init(i2c_bus *bus)
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{
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struct max7310_s *s = (struct max7310_s *)
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i2c_slave_init(bus, 0, sizeof(struct max7310_s));
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s->i2c.event = max7310_event;
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s->i2c.recv = max7310_rx;
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s->i2c.send = max7310_tx;
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s->gpio_in = qemu_allocate_irqs(max7310_gpio_set, s,
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sizeof(s->handler) / sizeof(*s->handler));
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max7310_reset(&s->i2c);
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return &s->i2c;
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}
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qemu_irq *max7310_gpio_in_get(i2c_slave *i2c)
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{
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struct max7310_s *s = (struct max7310_s *) i2c;
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return s->gpio_in;
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}
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void max7310_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler)
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{
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struct max7310_s *s = (struct max7310_s *) i2c;
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if (line >= sizeof(s->handler) / sizeof(*s->handler) || line < 0)
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cpu_abort(cpu_single_env, "bad GPIO line");
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s->handler[line] = handler;
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}
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56
hw/spitz.c
56
hw/spitz.c
@ -801,6 +801,57 @@ static void spitz_microdrive_attach(struct pxa2xx_state_s *cpu)
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}
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}
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/* Wm8750 and Max7310 on I2C */
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#define AKITA_MAX_ADDR 0x18
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#define SPITZ_WM_ADDRL 0x1a
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#define SPITZ_WM_ADDRH 0x1b
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#define SPITZ_GPIO_WM 5
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#ifdef HAS_AUDIO
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static void spitz_wm8750_addr(int line, int level, void *opaque)
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{
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i2c_slave *wm = (i2c_slave *) opaque;
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if (level)
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i2c_set_slave_address(wm, SPITZ_WM_ADDRH);
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else
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i2c_set_slave_address(wm, SPITZ_WM_ADDRL);
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}
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#endif
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static void spitz_i2c_setup(struct pxa2xx_state_s *cpu)
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{
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/* Attach the CPU on one end of our I2C bus. */
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i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
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#ifdef HAS_AUDIO
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AudioState *audio;
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i2c_slave *wm;
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audio = AUD_init();
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if (!audio)
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return;
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/* Attach a WM8750 to the bus */
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wm = wm8750_init(bus, audio);
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spitz_wm8750_addr(0, 0, wm);
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pxa2xx_gpio_handler_set(cpu->gpio, SPITZ_GPIO_WM, spitz_wm8750_addr, wm);
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/* .. and to the sound interface. */
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cpu->i2s->opaque = wm;
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cpu->i2s->codec_out = wm8750_dac_dat;
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cpu->i2s->codec_in = wm8750_adc_dat;
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wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s);
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#endif
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}
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static void spitz_akita_i2c_setup(struct pxa2xx_state_s *cpu)
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{
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/* Attach a Max7310 to Akita I2C bus. */
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i2c_set_slave_address(max7310_init(pxa2xx_i2c_bus(cpu->i2c[0])),
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AKITA_MAX_ADDR);
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}
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/* Other peripherals */
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static void spitz_charge_switch(int line, int level, void *opaque)
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@ -1026,6 +1077,11 @@ static void spitz_common_init(int ram_size, int vga_ram_size,
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spitz_gpio_setup(cpu, (model == akita) ? 1 : 2);
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spitz_i2c_setup(cpu);
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if (model == akita)
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spitz_akita_i2c_setup(cpu);
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if (model == terrier)
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/* A 6.0 GB microdrive is permanently sitting in CF slot 0. */
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spitz_microdrive_attach(cpu);
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545
hw/wm8750.c
Normal file
545
hw/wm8750.c
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@ -0,0 +1,545 @@
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/*
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* WM8750 audio CODEC.
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*
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* Copyright (c) 2006 Openedhand Ltd.
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* Written by Andrzej Zaborowski <balrog@zabor.org>
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*
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* This file is licensed under GNU GPL.
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*/
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#include "vl.h"
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#define IN_PORT_N 3
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#define OUT_PORT_N 3
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#define CODEC "wm8750"
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struct wm_rate_s;
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struct wm8750_s {
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i2c_slave i2c;
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uint8_t i2c_data[2];
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int i2c_len;
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QEMUSoundCard card;
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SWVoiceIn *adc_voice[IN_PORT_N];
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SWVoiceOut *dac_voice[OUT_PORT_N];
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int enable;
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void (*data_req)(void *, int, int);
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void *opaque;
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uint8_t data_in[4096];
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uint8_t data_out[4096];
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int idx_in, req_in;
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int idx_out, req_out;
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SWVoiceOut **out[2];
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uint8_t outvol[7], outmute[2];
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SWVoiceIn **in[2];
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uint8_t invol[4], inmute[2];
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uint8_t diff[2], pol, ds, monomix[2], alc, mute;
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uint8_t path[4], mpath[2], power, format;
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uint32_t inmask, outmask;
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const struct wm_rate_s *rate;
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};
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static inline void wm8750_in_load(struct wm8750_s *s)
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{
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int acquired;
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if (s->idx_in + s->req_in <= sizeof(s->data_in))
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return;
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s->idx_in = audio_MAX(0, (int) sizeof(s->data_in) - s->req_in);
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acquired = AUD_read(*s->in[0], s->data_in + s->idx_in,
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sizeof(s->data_in) - s->idx_in);
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}
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static inline void wm8750_out_flush(struct wm8750_s *s)
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{
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int sent;
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if (!s->idx_out)
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return;
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sent = AUD_write(*s->out[0], s->data_out, s->idx_out);
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s->idx_out = 0;
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}
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static void wm8750_audio_in_cb(void *opaque, int avail_b)
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{
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struct wm8750_s *s = (struct wm8750_s *) opaque;
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s->req_in = avail_b;
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s->data_req(s->opaque, s->req_out >> 2, avail_b >> 2);
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#if 0
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wm8750_in_load(s);
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#endif
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}
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static void wm8750_audio_out_cb(void *opaque, int free_b)
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{
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struct wm8750_s *s = (struct wm8750_s *) opaque;
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wm8750_out_flush(s);
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s->req_out = free_b;
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s->data_req(s->opaque, free_b >> 2, s->req_in >> 2);
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}
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struct wm_rate_s {
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int adc;
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int adc_hz;
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int dac;
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int dac_hz;
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};
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static const struct wm_rate_s wm_rate_table[] = {
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{ 256, 48000, 256, 48000 }, /* SR: 00000 */
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{ 384, 48000, 384, 48000 }, /* SR: 00001 */
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{ 256, 48000, 1536, 8000 }, /* SR: 00010 */
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{ 384, 48000, 2304, 8000 }, /* SR: 00011 */
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{ 1536, 8000, 256, 48000 }, /* SR: 00100 */
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{ 2304, 8000, 384, 48000 }, /* SR: 00101 */
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{ 1536, 8000, 1536, 8000 }, /* SR: 00110 */
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{ 2304, 8000, 2304, 8000 }, /* SR: 00111 */
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{ 1024, 12000, 1024, 12000 }, /* SR: 01000 */
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{ 1526, 12000, 1536, 12000 }, /* SR: 01001 */
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{ 768, 16000, 768, 16000 }, /* SR: 01010 */
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{ 1152, 16000, 1152, 16000 }, /* SR: 01011 */
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{ 384, 32000, 384, 32000 }, /* SR: 01100 */
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{ 576, 32000, 576, 32000 }, /* SR: 01101 */
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{ 128, 96000, 128, 96000 }, /* SR: 01110 */
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{ 192, 96000, 192, 96000 }, /* SR: 01111 */
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{ 256, 44100, 256, 44100 }, /* SR: 10000 */
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{ 384, 44100, 384, 44100 }, /* SR: 10001 */
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{ 256, 44100, 1408, 8018 }, /* SR: 10010 */
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{ 384, 44100, 2112, 8018 }, /* SR: 10011 */
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{ 1408, 8018, 256, 44100 }, /* SR: 10100 */
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{ 2112, 8018, 384, 44100 }, /* SR: 10101 */
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{ 1408, 8018, 1408, 8018 }, /* SR: 10110 */
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{ 2112, 8018, 2112, 8018 }, /* SR: 10111 */
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{ 1024, 11025, 1024, 11025 }, /* SR: 11000 */
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{ 1536, 11025, 1536, 11025 }, /* SR: 11001 */
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{ 512, 22050, 512, 22050 }, /* SR: 11010 */
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{ 768, 22050, 768, 22050 }, /* SR: 11011 */
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{ 512, 24000, 512, 24000 }, /* SR: 11100 */
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{ 768, 24000, 768, 24000 }, /* SR: 11101 */
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{ 128, 88200, 128, 88200 }, /* SR: 11110 */
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{ 192, 88200, 128, 88200 }, /* SR: 11111 */
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};
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void wm8750_set_format(struct wm8750_s *s)
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{
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int i;
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audsettings_t in_fmt;
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audsettings_t out_fmt;
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audsettings_t monoout_fmt;
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wm8750_out_flush(s);
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if (s->in[0] && *s->in[0])
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AUD_set_active_in(*s->in[0], 0);
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if (s->out[0] && *s->out[0])
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AUD_set_active_out(*s->out[0], 0);
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for (i = 0; i < IN_PORT_N; i ++)
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if (s->adc_voice[i]) {
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AUD_close_in(&s->card, s->adc_voice[i]);
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s->adc_voice[i] = 0;
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}
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for (i = 0; i < OUT_PORT_N; i ++)
|
||||
if (s->dac_voice[i]) {
|
||||
AUD_close_out(&s->card, s->dac_voice[i]);
|
||||
s->dac_voice[i] = 0;
|
||||
}
|
||||
|
||||
if (!s->enable)
|
||||
return;
|
||||
|
||||
/* Setup input */
|
||||
in_fmt.endianness = 0;
|
||||
in_fmt.nchannels = 2;
|
||||
in_fmt.freq = s->rate->adc_hz;
|
||||
in_fmt.fmt = AUD_FMT_S16;
|
||||
|
||||
s->adc_voice[0] = AUD_open_in(&s->card, s->adc_voice[0],
|
||||
CODEC ".input1", s, wm8750_audio_in_cb, &in_fmt);
|
||||
s->adc_voice[1] = AUD_open_in(&s->card, s->adc_voice[1],
|
||||
CODEC ".input2", s, wm8750_audio_in_cb, &in_fmt);
|
||||
s->adc_voice[2] = AUD_open_in(&s->card, s->adc_voice[2],
|
||||
CODEC ".input3", s, wm8750_audio_in_cb, &in_fmt);
|
||||
|
||||
/* Setup output */
|
||||
out_fmt.endianness = 0;
|
||||
out_fmt.nchannels = 2;
|
||||
out_fmt.freq = s->rate->dac_hz;
|
||||
out_fmt.fmt = AUD_FMT_S16;
|
||||
monoout_fmt.endianness = 0;
|
||||
monoout_fmt.nchannels = 1;
|
||||
monoout_fmt.freq = s->rate->dac_hz;
|
||||
monoout_fmt.fmt = AUD_FMT_S16;
|
||||
|
||||
s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
|
||||
CODEC ".speaker", s, wm8750_audio_out_cb, &out_fmt);
|
||||
s->dac_voice[1] = AUD_open_out(&s->card, s->dac_voice[1],
|
||||
CODEC ".headphone", s, wm8750_audio_out_cb, &out_fmt);
|
||||
/* MONOMIX is also in stereo for simplicity */
|
||||
s->dac_voice[2] = AUD_open_out(&s->card, s->dac_voice[2],
|
||||
CODEC ".monomix", s, wm8750_audio_out_cb, &out_fmt);
|
||||
/* no sense emulating OUT3 which is a mix of other outputs */
|
||||
|
||||
/* We should connect the left and right channels to their
|
||||
* respective inputs/outputs but we have completely no need
|
||||
* for mixing or combining paths to different ports, so we
|
||||
* connect both channels to where the left channel is routed. */
|
||||
if (s->in[0] && *s->in[0])
|
||||
AUD_set_active_in(*s->in[0], 1);
|
||||
if (s->out[0] && *s->out[0])
|
||||
AUD_set_active_out(*s->out[0], 1);
|
||||
}
|
||||
|
||||
void inline wm8750_mask_update(struct wm8750_s *s)
|
||||
{
|
||||
#define R_ONLY 0x0000ffff
|
||||
#define L_ONLY 0xffff0000
|
||||
#define BOTH (R_ONLY | L_ONLY)
|
||||
#define NONE (R_ONLY & L_ONLY)
|
||||
s->inmask =
|
||||
(s->inmute[0] ? R_ONLY : BOTH) &
|
||||
(s->inmute[1] ? L_ONLY : BOTH) &
|
||||
(s->mute ? NONE : BOTH);
|
||||
s->outmask =
|
||||
(s->outmute[0] ? R_ONLY : BOTH) &
|
||||
(s->outmute[1] ? L_ONLY : BOTH) &
|
||||
(s->mute ? NONE : BOTH);
|
||||
}
|
||||
|
||||
void wm8750_reset(i2c_slave *i2c)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) i2c;
|
||||
s->enable = 0;
|
||||
wm8750_set_format(s);
|
||||
s->diff[0] = 0;
|
||||
s->diff[1] = 0;
|
||||
s->ds = 0;
|
||||
s->alc = 0;
|
||||
s->in[0] = &s->adc_voice[0];
|
||||
s->invol[0] = 0x17;
|
||||
s->invol[1] = 0x17;
|
||||
s->invol[2] = 0xc3;
|
||||
s->invol[3] = 0xc3;
|
||||
s->out[0] = &s->dac_voice[0];
|
||||
s->outvol[0] = 0xff;
|
||||
s->outvol[1] = 0xff;
|
||||
s->outvol[2] = 0x79;
|
||||
s->outvol[3] = 0x79;
|
||||
s->outvol[4] = 0x79;
|
||||
s->outvol[5] = 0x79;
|
||||
s->inmute[0] = 0;
|
||||
s->inmute[1] = 0;
|
||||
s->outmute[0] = 0;
|
||||
s->outmute[1] = 0;
|
||||
s->mute = 1;
|
||||
s->path[0] = 0;
|
||||
s->path[1] = 0;
|
||||
s->path[2] = 0;
|
||||
s->path[3] = 0;
|
||||
s->mpath[0] = 0;
|
||||
s->mpath[1] = 0;
|
||||
s->format = 0x0a;
|
||||
s->idx_in = sizeof(s->data_in);
|
||||
s->req_in = 0;
|
||||
s->idx_out = 0;
|
||||
s->req_out = 0;
|
||||
wm8750_mask_update(s);
|
||||
s->i2c_len = 0;
|
||||
}
|
||||
|
||||
static void wm8750_event(i2c_slave *i2c, enum i2c_event event)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) i2c;
|
||||
|
||||
switch (event) {
|
||||
case I2C_START_SEND:
|
||||
s->i2c_len = 0;
|
||||
break;
|
||||
case I2C_FINISH:
|
||||
#ifdef VERBOSE
|
||||
if (s->i2c_len < 2)
|
||||
printf("%s: message too short (%i bytes)\n",
|
||||
__FUNCTION__, s->i2c_len);
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#define WM8750_LINVOL 0x00
|
||||
#define WM8750_RINVOL 0x01
|
||||
#define WM8750_LOUT1V 0x02
|
||||
#define WM8750_ROUT1V 0x03
|
||||
#define WM8750_ADCDAC 0x05
|
||||
#define WM8750_IFACE 0x07
|
||||
#define WM8750_SRATE 0x08
|
||||
#define WM8750_LDAC 0x0a
|
||||
#define WM8750_RDAC 0x0b
|
||||
#define WM8750_BASS 0x0c
|
||||
#define WM8750_TREBLE 0x0d
|
||||
#define WM8750_RESET 0x0f
|
||||
#define WM8750_3D 0x10
|
||||
#define WM8750_ALC1 0x11
|
||||
#define WM8750_ALC2 0x12
|
||||
#define WM8750_ALC3 0x13
|
||||
#define WM8750_NGATE 0x14
|
||||
#define WM8750_LADC 0x15
|
||||
#define WM8750_RADC 0x16
|
||||
#define WM8750_ADCTL1 0x17
|
||||
#define WM8750_ADCTL2 0x18
|
||||
#define WM8750_PWR1 0x19
|
||||
#define WM8750_PWR2 0x1a
|
||||
#define WM8750_ADCTL3 0x1b
|
||||
#define WM8750_ADCIN 0x1f
|
||||
#define WM8750_LADCIN 0x20
|
||||
#define WM8750_RADCIN 0x21
|
||||
#define WM8750_LOUTM1 0x22
|
||||
#define WM8750_LOUTM2 0x23
|
||||
#define WM8750_ROUTM1 0x24
|
||||
#define WM8750_ROUTM2 0x25
|
||||
#define WM8750_MOUTM1 0x26
|
||||
#define WM8750_MOUTM2 0x27
|
||||
#define WM8750_LOUT2V 0x28
|
||||
#define WM8750_ROUT2V 0x29
|
||||
#define WM8750_MOUTV 0x2a
|
||||
|
||||
static int wm8750_tx(i2c_slave *i2c, uint8_t data)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) i2c;
|
||||
uint8_t cmd;
|
||||
uint16_t value;
|
||||
|
||||
if (s->i2c_len >= 2) {
|
||||
printf("%s: long message (%i bytes)\n", __FUNCTION__, s->i2c_len);
|
||||
#ifdef VERBOSE
|
||||
return 1;
|
||||
#endif
|
||||
}
|
||||
s->i2c_data[s->i2c_len ++] = data;
|
||||
if (s->i2c_len != 2)
|
||||
return 0;
|
||||
|
||||
cmd = s->i2c_data[0] >> 1;
|
||||
value = ((s->i2c_data[0] << 8) | s->i2c_data[1]) & 0x1ff;
|
||||
|
||||
switch (cmd) {
|
||||
case WM8750_LADCIN: /* ADC Signal Path Control (Left) */
|
||||
s->diff[0] = (((value >> 6) & 3) == 3); /* LINSEL */
|
||||
if (s->diff[0])
|
||||
s->in[0] = &s->adc_voice[0 + s->ds * 1];
|
||||
else
|
||||
s->in[0] = &s->adc_voice[((value >> 6) & 3) * 1 + 0];
|
||||
break;
|
||||
|
||||
case WM8750_RADCIN: /* ADC Signal Path Control (Right) */
|
||||
s->diff[1] = (((value >> 6) & 3) == 3); /* RINSEL */
|
||||
if (s->diff[1])
|
||||
s->in[1] = &s->adc_voice[0 + s->ds * 1];
|
||||
else
|
||||
s->in[1] = &s->adc_voice[((value >> 6) & 3) * 1 + 0];
|
||||
break;
|
||||
|
||||
case WM8750_ADCIN: /* ADC Input Mode */
|
||||
s->ds = (value >> 8) & 1; /* DS */
|
||||
if (s->diff[0])
|
||||
s->in[0] = &s->adc_voice[0 + s->ds * 1];
|
||||
if (s->diff[1])
|
||||
s->in[1] = &s->adc_voice[0 + s->ds * 1];
|
||||
s->monomix[0] = (value >> 6) & 3; /* MONOMIX */
|
||||
break;
|
||||
|
||||
case WM8750_ADCTL1: /* Additional Control (1) */
|
||||
s->monomix[1] = (value >> 1) & 1; /* DMONOMIX */
|
||||
break;
|
||||
|
||||
case WM8750_PWR1: /* Power Management (1) */
|
||||
s->enable = ((value >> 6) & 7) == 3; /* VMIDSEL, VREF */
|
||||
wm8750_set_format(s);
|
||||
break;
|
||||
|
||||
case WM8750_LINVOL: /* Left Channel PGA */
|
||||
s->invol[0] = value & 0x3f; /* LINVOL */
|
||||
s->inmute[0] = (value >> 7) & 1; /* LINMUTE */
|
||||
wm8750_mask_update(s);
|
||||
break;
|
||||
|
||||
case WM8750_RINVOL: /* Right Channel PGA */
|
||||
s->invol[1] = value & 0x3f; /* RINVOL */
|
||||
s->inmute[1] = (value >> 7) & 1; /* RINMUTE */
|
||||
wm8750_mask_update(s);
|
||||
break;
|
||||
|
||||
case WM8750_ADCDAC: /* ADC and DAC Control */
|
||||
s->pol = (value >> 5) & 3; /* ADCPOL */
|
||||
s->mute = (value >> 3) & 1; /* DACMU */
|
||||
wm8750_mask_update(s);
|
||||
break;
|
||||
|
||||
case WM8750_ADCTL3: /* Additional Control (3) */
|
||||
break;
|
||||
|
||||
case WM8750_LADC: /* Left ADC Digital Volume */
|
||||
s->invol[2] = value & 0xff; /* LADCVOL */
|
||||
break;
|
||||
|
||||
case WM8750_RADC: /* Right ADC Digital Volume */
|
||||
s->invol[3] = value & 0xff; /* RADCVOL */
|
||||
break;
|
||||
|
||||
case WM8750_ALC1: /* ALC Control (1) */
|
||||
s->alc = (value >> 7) & 3; /* ALCSEL */
|
||||
break;
|
||||
|
||||
case WM8750_NGATE: /* Noise Gate Control */
|
||||
case WM8750_3D: /* 3D enhance */
|
||||
break;
|
||||
|
||||
case WM8750_LDAC: /* Left Channel Digital Volume */
|
||||
s->outvol[0] = value & 0xff; /* LDACVOL */
|
||||
break;
|
||||
|
||||
case WM8750_RDAC: /* Right Channel Digital Volume */
|
||||
s->outvol[1] = value & 0xff; /* RDACVOL */
|
||||
break;
|
||||
|
||||
case WM8750_BASS: /* Bass Control */
|
||||
break;
|
||||
|
||||
case WM8750_LOUTM1: /* Left Mixer Control (1) */
|
||||
s->path[0] = (value >> 8) & 1; /* LD2LO */
|
||||
break;
|
||||
|
||||
case WM8750_LOUTM2: /* Left Mixer Control (2) */
|
||||
s->path[1] = (value >> 8) & 1; /* RD2LO */
|
||||
break;
|
||||
|
||||
case WM8750_ROUTM1: /* Right Mixer Control (1) */
|
||||
s->path[2] = (value >> 8) & 1; /* LD2RO */
|
||||
break;
|
||||
|
||||
case WM8750_ROUTM2: /* Right Mixer Control (2) */
|
||||
s->path[3] = (value >> 8) & 1; /* RD2RO */
|
||||
break;
|
||||
|
||||
case WM8750_MOUTM1: /* Mono Mixer Control (1) */
|
||||
s->mpath[0] = (value >> 8) & 1; /* LD2MO */
|
||||
break;
|
||||
|
||||
case WM8750_MOUTM2: /* Mono Mixer Control (2) */
|
||||
s->mpath[1] = (value >> 8) & 1; /* RD2MO */
|
||||
break;
|
||||
|
||||
case WM8750_LOUT1V: /* LOUT1 Volume */
|
||||
s->outvol[2] = value & 0x7f; /* LOUT2VOL */
|
||||
break;
|
||||
|
||||
case WM8750_LOUT2V: /* LOUT2 Volume */
|
||||
s->outvol[4] = value & 0x7f; /* LOUT2VOL */
|
||||
break;
|
||||
|
||||
case WM8750_ROUT1V: /* ROUT1 Volume */
|
||||
s->outvol[3] = value & 0x7f; /* ROUT2VOL */
|
||||
break;
|
||||
|
||||
case WM8750_ROUT2V: /* ROUT2 Volume */
|
||||
s->outvol[5] = value & 0x7f; /* ROUT2VOL */
|
||||
break;
|
||||
|
||||
case WM8750_MOUTV: /* MONOOUT Volume */
|
||||
s->outvol[6] = value & 0x7f; /* MONOOUTVOL */
|
||||
break;
|
||||
|
||||
case WM8750_ADCTL2: /* Additional Control (2) */
|
||||
break;
|
||||
|
||||
case WM8750_PWR2: /* Power Management (2) */
|
||||
s->power = value & 0x7e;
|
||||
break;
|
||||
|
||||
case WM8750_IFACE: /* Digital Audio Interface Format */
|
||||
#ifdef VERBOSE
|
||||
if (value & 0x40) /* MS */
|
||||
printf("%s: attempt to enable Master Mode\n", __FUNCTION__);
|
||||
#endif
|
||||
s->format = value;
|
||||
wm8750_set_format(s);
|
||||
break;
|
||||
|
||||
case WM8750_SRATE: /* Clocking and Sample Rate Control */
|
||||
s->rate = &wm_rate_table[(value >> 1) & 0x1f];
|
||||
wm8750_set_format(s);
|
||||
break;
|
||||
|
||||
case WM8750_RESET: /* Reset */
|
||||
wm8750_reset(&s->i2c);
|
||||
break;
|
||||
|
||||
#ifdef VERBOSE
|
||||
default:
|
||||
printf("%s: unknown register %02x\n", __FUNCTION__, cmd);
|
||||
#endif
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int wm8750_rx(i2c_slave *i2c)
|
||||
{
|
||||
return 0x00;
|
||||
}
|
||||
|
||||
i2c_slave *wm8750_init(i2c_bus *bus, AudioState *audio)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *)
|
||||
i2c_slave_init(bus, 0, sizeof(struct wm8750_s));
|
||||
s->i2c.event = wm8750_event;
|
||||
s->i2c.recv = wm8750_rx;
|
||||
s->i2c.send = wm8750_tx;
|
||||
|
||||
AUD_register_card(audio, CODEC, &s->card);
|
||||
wm8750_reset(&s->i2c);
|
||||
|
||||
return &s->i2c;
|
||||
}
|
||||
|
||||
void wm8750_fini(i2c_slave *i2c)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) i2c;
|
||||
wm8750_reset(&s->i2c);
|
||||
AUD_remove_card(&s->card);
|
||||
qemu_free(s);
|
||||
}
|
||||
|
||||
void wm8750_data_req_set(i2c_slave *i2c,
|
||||
void (*data_req)(void *, int, int), void *opaque)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) i2c;
|
||||
s->data_req = data_req;
|
||||
s->opaque = opaque;
|
||||
}
|
||||
|
||||
void wm8750_dac_dat(void *opaque, uint32_t sample)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) opaque;
|
||||
uint32_t *data = (uint32_t *) &s->data_out[s->idx_out];
|
||||
*data = sample & s->outmask;
|
||||
s->req_out -= 4;
|
||||
s->idx_out += 4;
|
||||
if (s->idx_out >= sizeof(s->data_out) || s->req_out <= 0)
|
||||
wm8750_out_flush(s);
|
||||
}
|
||||
|
||||
uint32_t wm8750_adc_dat(void *opaque)
|
||||
{
|
||||
struct wm8750_s *s = (struct wm8750_s *) opaque;
|
||||
uint32_t *data;
|
||||
if (s->idx_in >= sizeof(s->data_in))
|
||||
wm8750_in_load(s);
|
||||
data = (uint32_t *) &s->data_in[s->idx_in];
|
||||
s->req_in -= 4;
|
||||
s->idx_in += 4;
|
||||
return *data & s->inmask;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user