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MLK-24501-4 dsp: disable mxc_hifi4 when LPA. 

FW is locate on OCRAM_A when lpa. core decoder can't put in reserved
memory as HIFI4 has 1G memory limitation. Disable DSP wrapper decoder
when lpa. lpa PCM mode will use SW decoder.

Signed-off-by: Bing Song <bing.song@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Bing Song 2020-08-14 13:54:20 +08:00
parent 0581bdbb6d
commit 5ae911fd64
1 changed files with 12 additions and 8 deletions
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20
sound/soc/fsl/fsl_dsp.c
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@ -1201,12 +1201,14 @@ static int fsl_dsp_probe(struct platform_device *pdev)
ret = of_property_read_u32(np, "fixup-offset", &dsp_priv->fixup_offset);
dsp_miscdev.fops = &dsp_fops,
dsp_miscdev.parent = &pdev->dev,
ret = misc_register(&dsp_miscdev);
if (ret) {
dev_err(&pdev->dev, "failed to register misc device %d\n", ret);
goto misc_register_fail;
if (!dsp_priv->dsp_is_lpa) {
dsp_miscdev.fops = &dsp_fops,
dsp_miscdev.parent = &pdev->dev,
ret = misc_register(&dsp_miscdev);
if (ret) {
dev_err(&pdev->dev, "failed to register misc device %d\n", ret);
goto misc_register_fail;
}
}
reserved_node = of_parse_phandle(np, "memory-region", 0);
@ -1370,7 +1372,8 @@ alloc_coherent_fail:
iounmap(dsp_priv->ocram_e_vir_addr);
reserved_node_fail:
misc_deregister(&dsp_miscdev);
if (!dsp_priv->dsp_is_lpa)
misc_deregister(&dsp_miscdev);
misc_register_fail:
mu_init_fail:
configure_fail:
@ -1384,7 +1387,8 @@ static int fsl_dsp_remove(struct platform_device *pdev)
struct fsl_dsp *dsp_priv = platform_get_drvdata(pdev);
int size;
misc_deregister(&dsp_miscdev);
if (!dsp_priv->dsp_is_lpa)
misc_deregister(&dsp_miscdev);
size = MSG_BUF_SIZE + DSP_CONFIG_SIZE;
dma_free_coherent(&pdev->dev, size, dsp_priv->msg_buf_virt,