231 lines
5.9 KiB
C
231 lines
5.9 KiB
C
/*
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* Copyright (c) 2010-2011 STMicroelectronics Limited
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*
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* Author: Pawel Moll <pawel.moll@st.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/stm/platform.h>
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#include <linux/stm/stx7100.h>
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#include <sound/stm.h>
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/* Audio subsystem resources ---------------------------------------------- */
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/* Audio subsystem glue */
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static struct platform_device stx7100_glue = {
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.name = "snd_stx7100_glue",
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.id = -1,
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.num_resources = 1,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x19210200, 0x4),
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},
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};
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/* Internal DAC */
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static struct snd_stm_conv_dac_mem_info stx7100_conv_dac_mem_info = {
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/* .ver = see stx7100_configure_audio() */
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.source_bus_id = "snd_pcm_player.1",
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.channel_from = 0,
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.channel_to = 1,
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};
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static struct platform_device stx7100_conv_dac_mem = {
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.name = "snd_conv_dac_mem",
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.id = -1,
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.num_resources = 1,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x19210100, 0x4),
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},
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.dev.platform_data = &stx7100_conv_dac_mem_info,
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};
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/* PCM players */
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struct snd_stm_pcm_player_info stx7100_pcm_player_0_info = {
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.name = "PCM player #0 (HDMI)",
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/* .ver = see stx7100_configure_audio() */
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.card_device = 0,
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.clock_name = "CLKC_FS0_CH1",
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.channels = 10,
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.fdma_initiator = 1,
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/* .fdma_request_line = see stx7100_configure_audio() */
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};
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static struct platform_device stx7100_pcm_player_0 = {
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.name = "snd_pcm_player",
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.id = 0,
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.num_resources = 2,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x18101000, 0x28),
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STM_PLAT_RESOURCE_IRQ(144, -1),
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},
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.dev.platform_data = &stx7100_pcm_player_0_info,
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};
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struct snd_stm_pcm_player_info stx7100_pcm_player_1_info = {
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.name = "PCM player #1",
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/* .ver = see stx7100_configure_audio() */
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.card_device = 1,
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.clock_name = "CLKC_FS0_CH2",
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.channels = 2,
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.fdma_initiator = 1,
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/* .fdma_request_line = see stx7100_configure_audio() */
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};
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static struct platform_device stx7100_pcm_player_1 = {
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.name = "snd_pcm_player",
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.id = 1,
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.num_resources = 2,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x18101800, 0x28),
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STM_PLAT_RESOURCE_IRQ(145, -1),
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},
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.dev.platform_data = &stx7100_pcm_player_1_info,
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};
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/* SPDIF player */
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struct snd_stm_spdif_player_info stx7100_spdif_player_info = {
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.name = "SPDIF player (HDMI)",
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/* .ver = see stx7100_configure_audio() */
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.card_device = 2,
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.clock_name = "CLKC_FS0_CH3",
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.fdma_initiator = 1,
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/* .fdma_request_line = see stx7100_configure_audio() */
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};
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static struct platform_device stx7100_spdif_player = {
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.name = "snd_spdif_player",
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.id = -1,
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.num_resources = 2,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x18103000, 0x40),
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STM_PLAT_RESOURCE_IRQ(147, -1),
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},
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.dev.platform_data = &stx7100_spdif_player_info,
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};
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/* HDMI-connected I2S to SPDIF converter */
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static struct snd_stm_conv_i2sspdif_info stx7100_conv_i2sspdif_info = {
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/* .ver = see stx7100_configure_audio() */
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.source_bus_id = "snd_pcm_player.0",
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.channel_from = 0,
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.channel_to = 1,
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};
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static struct platform_device stx7100_conv_i2sspdif = {
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.name = "snd_conv_i2sspdif",
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.id = -1,
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.num_resources = 2,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x18103800, 0x224),
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STM_PLAT_RESOURCE_IRQ(142, -1),
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},
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.dev.platform_data = &stx7100_conv_i2sspdif_info,
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};
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/* PCM reader */
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struct snd_stm_pcm_reader_info stx7100_pcm_reader_info = {
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.name = "PCM Reader",
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/* .ver = see stx7100_configure_audio() */
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.card_device = 3,
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.channels = 2,
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.fdma_initiator = 1,
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/* .fdma_request_line = see stx7100_configure_audio() */
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};
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static struct platform_device stx7100_pcm_reader = {
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.name = "snd_pcm_reader",
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.id = -1,
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.num_resources = 2,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0x18102000, 0x28),
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STM_PLAT_RESOURCE_IRQ(146, -1),
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},
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.dev.platform_data = &stx7100_pcm_reader_info,
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};
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/* Devices */
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static struct platform_device *stx7100_audio_devices[] __initdata = {
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&stx7100_glue,
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&stx7100_pcm_player_0,
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&stx7100_pcm_player_1,
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&stx7100_conv_dac_mem,
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&stx7100_spdif_player,
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&stx7100_conv_i2sspdif,
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&stx7100_pcm_reader,
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};
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static int __init stx7100_audio_devices_setup(void)
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{
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switch (cpu_data->type) {
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case CPU_STX7100:
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/* FDMA request line configuration */
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stx7100_pcm_player_0_info.fdma_request_line = 26;
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stx7100_pcm_player_1_info.fdma_request_line = 27;
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stx7100_spdif_player_info.fdma_request_line = 29;
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stx7100_pcm_reader_info.fdma_request_line = 28;
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/* IP versions */
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stx7100_pcm_reader_info.ver = 1;
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if (cpu_data->cut_major < 3) {
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/* STx7100 cut < 3.0 */
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stx7100_pcm_player_0_info.ver = 1;
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stx7100_pcm_player_1_info.ver = 1;
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} else {
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/* STx7100 cut >= 3.0 */
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stx7100_pcm_player_0_info.ver = 2;
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stx7100_pcm_player_1_info.ver = 2;
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}
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stx7100_spdif_player_info.ver = 1;
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stx7100_conv_i2sspdif_info.ver = 1;
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break;
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case CPU_STX7109:
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/* FDMA request line configuration */
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stx7100_pcm_player_0_info.fdma_request_line = 24;
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stx7100_pcm_player_1_info.fdma_request_line = 25;
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stx7100_spdif_player_info.fdma_request_line = 27;
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stx7100_pcm_reader_info.fdma_request_line = 26;
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/* IP versions */
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stx7100_pcm_reader_info.ver = 2;
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if (cpu_data->cut_major < 3) {
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/* STx7109 cut < 3.0 */
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stx7100_pcm_player_0_info.ver = 3;
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stx7100_pcm_player_1_info.ver = 3;
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} else {
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/* STx7109 cut >= 3.0 */
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stx7100_pcm_player_0_info.ver = 4;
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stx7100_pcm_player_1_info.ver = 4;
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}
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stx7100_spdif_player_info.ver = 2;
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stx7100_conv_i2sspdif_info.ver = 2;
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break;
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default:
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BUG();
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return -ENODEV;
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}
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return platform_add_devices(stx7100_audio_devices,
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ARRAY_SIZE(stx7100_audio_devices));
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}
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device_initcall(stx7100_audio_devices_setup);
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