From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001 From: RajithaY Date: Tue, 25 Apr 2017 03:31:15 -0700 Subject: Adding qemu as a submodule of KVMFORNFV This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY --- qemu/hw/audio/lm4549.c | 335 ------------------------------------------------- 1 file changed, 335 deletions(-) delete mode 100644 qemu/hw/audio/lm4549.c (limited to 'qemu/hw/audio/lm4549.c') diff --git a/qemu/hw/audio/lm4549.c b/qemu/hw/audio/lm4549.c deleted file mode 100644 index a46f2301a..000000000 --- a/qemu/hw/audio/lm4549.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - * LM4549 Audio Codec Interface - * - * Copyright (c) 2011 - * Written by Mathieu Sonet - www.elasticsheep.com - * - * This code is licensed under the GPL. - * - * ***************************************************************** - * - * This driver emulates the LM4549 codec. - * - * It supports only one playback voice and no record voice. - */ - -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "audio/audio.h" -#include "lm4549.h" - -#if 0 -#define LM4549_DEBUG 1 -#endif - -#if 0 -#define LM4549_DUMP_DAC_INPUT 1 -#endif - -#ifdef LM4549_DEBUG -#define DPRINTF(fmt, ...) \ -do { printf("lm4549: " fmt , ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) do {} while (0) -#endif - -#if defined(LM4549_DUMP_DAC_INPUT) -static FILE *fp_dac_input; -#endif - -/* LM4549 register list */ -enum { - LM4549_Reset = 0x00, - LM4549_Master_Volume = 0x02, - LM4549_Line_Out_Volume = 0x04, - LM4549_Master_Volume_Mono = 0x06, - LM4549_PC_Beep_Volume = 0x0A, - LM4549_Phone_Volume = 0x0C, - LM4549_Mic_Volume = 0x0E, - LM4549_Line_In_Volume = 0x10, - LM4549_CD_Volume = 0x12, - LM4549_Video_Volume = 0x14, - LM4549_Aux_Volume = 0x16, - LM4549_PCM_Out_Volume = 0x18, - LM4549_Record_Select = 0x1A, - LM4549_Record_Gain = 0x1C, - LM4549_General_Purpose = 0x20, - LM4549_3D_Control = 0x22, - LM4549_Powerdown_Ctrl_Stat = 0x26, - LM4549_Ext_Audio_ID = 0x28, - LM4549_Ext_Audio_Stat_Ctrl = 0x2A, - LM4549_PCM_Front_DAC_Rate = 0x2C, - LM4549_PCM_ADC_Rate = 0x32, - LM4549_Vendor_ID1 = 0x7C, - LM4549_Vendor_ID2 = 0x7E -}; - -static void lm4549_reset(lm4549_state *s) -{ - uint16_t *regfile = s->regfile; - - regfile[LM4549_Reset] = 0x0d50; - regfile[LM4549_Master_Volume] = 0x8008; - regfile[LM4549_Line_Out_Volume] = 0x8000; - regfile[LM4549_Master_Volume_Mono] = 0x8000; - regfile[LM4549_PC_Beep_Volume] = 0x0000; - regfile[LM4549_Phone_Volume] = 0x8008; - regfile[LM4549_Mic_Volume] = 0x8008; - regfile[LM4549_Line_In_Volume] = 0x8808; - regfile[LM4549_CD_Volume] = 0x8808; - regfile[LM4549_Video_Volume] = 0x8808; - regfile[LM4549_Aux_Volume] = 0x8808; - regfile[LM4549_PCM_Out_Volume] = 0x8808; - regfile[LM4549_Record_Select] = 0x0000; - regfile[LM4549_Record_Gain] = 0x8000; - regfile[LM4549_General_Purpose] = 0x0000; - regfile[LM4549_3D_Control] = 0x0101; - regfile[LM4549_Powerdown_Ctrl_Stat] = 0x000f; - regfile[LM4549_Ext_Audio_ID] = 0x0001; - regfile[LM4549_Ext_Audio_Stat_Ctrl] = 0x0000; - regfile[LM4549_PCM_Front_DAC_Rate] = 0xbb80; - regfile[LM4549_PCM_ADC_Rate] = 0xbb80; - regfile[LM4549_Vendor_ID1] = 0x4e53; - regfile[LM4549_Vendor_ID2] = 0x4331; -} - -static void lm4549_audio_transfer(lm4549_state *s) -{ - uint32_t written_bytes, written_samples; - uint32_t i; - - /* Activate the voice */ - AUD_set_active_out(s->voice, 1); - s->voice_is_active = 1; - - /* Try to write the buffer content */ - written_bytes = AUD_write(s->voice, s->buffer, - s->buffer_level * sizeof(uint16_t)); - written_samples = written_bytes >> 1; - -#if defined(LM4549_DUMP_DAC_INPUT) - fwrite(s->buffer, sizeof(uint8_t), written_bytes, fp_dac_input); -#endif - - s->buffer_level -= written_samples; - - if (s->buffer_level > 0) { - /* Move the data back to the start of the buffer */ - for (i = 0; i < s->buffer_level; i++) { - s->buffer[i] = s->buffer[i + written_samples]; - } - } -} - -static void lm4549_audio_out_callback(void *opaque, int free) -{ - lm4549_state *s = (lm4549_state *)opaque; - static uint32_t prev_buffer_level; - -#ifdef LM4549_DEBUG - int size = AUD_get_buffer_size_out(s->voice); - DPRINTF("audio_out_callback size = %i free = %i\n", size, free); -#endif - - /* Detect that no data are consumed - => disable the voice */ - if (s->buffer_level == prev_buffer_level) { - AUD_set_active_out(s->voice, 0); - s->voice_is_active = 0; - } - prev_buffer_level = s->buffer_level; - - /* Check if a buffer transfer is pending */ - if (s->buffer_level == LM4549_BUFFER_SIZE) { - lm4549_audio_transfer(s); - - /* Request more data */ - if (s->data_req_cb != NULL) { - (s->data_req_cb)(s->opaque); - } - } -} - -uint32_t lm4549_read(lm4549_state *s, hwaddr offset) -{ - uint16_t *regfile = s->regfile; - uint32_t value = 0; - - /* Read the stored value */ - assert(offset < 128); - value = regfile[offset]; - - DPRINTF("read [0x%02x] = 0x%04x\n", offset, value); - - return value; -} - -void lm4549_write(lm4549_state *s, - hwaddr offset, uint32_t value) -{ - uint16_t *regfile = s->regfile; - - assert(offset < 128); - DPRINTF("write [0x%02x] = 0x%04x\n", offset, value); - - switch (offset) { - case LM4549_Reset: - lm4549_reset(s); - break; - - case LM4549_PCM_Front_DAC_Rate: - regfile[LM4549_PCM_Front_DAC_Rate] = value; - DPRINTF("DAC rate change = %i\n", value); - - /* Re-open a voice with the new sample rate */ - struct audsettings as; - as.freq = value; - as.nchannels = 2; - as.fmt = AUD_FMT_S16; - as.endianness = 0; - - s->voice = AUD_open_out( - &s->card, - s->voice, - "lm4549.out", - s, - lm4549_audio_out_callback, - &as - ); - break; - - case LM4549_Powerdown_Ctrl_Stat: - value &= ~0xf; - value |= regfile[LM4549_Powerdown_Ctrl_Stat] & 0xf; - regfile[LM4549_Powerdown_Ctrl_Stat] = value; - break; - - case LM4549_Ext_Audio_ID: - case LM4549_Vendor_ID1: - case LM4549_Vendor_ID2: - DPRINTF("Write to read-only register 0x%x\n", (int)offset); - break; - - default: - /* Store the new value */ - regfile[offset] = value; - break; - } -} - -uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right) -{ - /* The left and right samples are in 20-bit resolution. - The LM4549 has 18-bit resolution and only uses the bits [19:2]. - This model supports 16-bit playback. - */ - - if (s->buffer_level > LM4549_BUFFER_SIZE - 2) { - DPRINTF("write_sample Buffer full\n"); - return 0; - } - - /* Store 16-bit samples in the buffer */ - s->buffer[s->buffer_level++] = (left >> 4); - s->buffer[s->buffer_level++] = (right >> 4); - - if (s->buffer_level == LM4549_BUFFER_SIZE) { - /* Trigger the transfer of the buffer to the audio host */ - lm4549_audio_transfer(s); - } - - return 1; -} - -static int lm4549_post_load(void *opaque, int version_id) -{ - lm4549_state *s = (lm4549_state *)opaque; - uint16_t *regfile = s->regfile; - - /* Re-open a voice with the current sample rate */ - uint32_t freq = regfile[LM4549_PCM_Front_DAC_Rate]; - - DPRINTF("post_load freq = %i\n", freq); - DPRINTF("post_load voice_is_active = %i\n", s->voice_is_active); - - struct audsettings as; - as.freq = freq; - as.nchannels = 2; - as.fmt = AUD_FMT_S16; - as.endianness = 0; - - s->voice = AUD_open_out( - &s->card, - s->voice, - "lm4549.out", - s, - lm4549_audio_out_callback, - &as - ); - - /* Request data */ - if (s->voice_is_active == 1) { - lm4549_audio_out_callback(s, AUD_get_buffer_size_out(s->voice)); - } - - return 0; -} - -void lm4549_init(lm4549_state *s, lm4549_callback data_req_cb, void* opaque) -{ - struct audsettings as; - - /* Store the callback and opaque pointer */ - s->data_req_cb = data_req_cb; - s->opaque = opaque; - - /* Init the registers */ - lm4549_reset(s); - - /* Register an audio card */ - AUD_register_card("lm4549", &s->card); - - /* Open a default voice */ - as.freq = 48000; - as.nchannels = 2; - as.fmt = AUD_FMT_S16; - as.endianness = 0; - - s->voice = AUD_open_out( - &s->card, - s->voice, - "lm4549.out", - s, - lm4549_audio_out_callback, - &as - ); - - AUD_set_volume_out(s->voice, 0, 255, 255); - - s->voice_is_active = 0; - - /* Reset the input buffer */ - memset(s->buffer, 0x00, sizeof(s->buffer)); - s->buffer_level = 0; - -#if defined(LM4549_DUMP_DAC_INPUT) - fp_dac_input = fopen("lm4549_dac_input.pcm", "wb"); - if (!fp_dac_input) { - hw_error("Unable to open lm4549_dac_input.pcm for writing\n"); - } -#endif -} - -const VMStateDescription vmstate_lm4549_state = { - .name = "lm4549_state", - .version_id = 1, - .minimum_version_id = 1, - .post_load = lm4549_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT32(voice_is_active, lm4549_state), - VMSTATE_UINT16_ARRAY(regfile, lm4549_state, 128), - VMSTATE_UINT16_ARRAY(buffer, lm4549_state, LM4549_BUFFER_SIZE), - VMSTATE_UINT32(buffer_level, lm4549_state), - VMSTATE_END_OF_LIST() - } -}; 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