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ASoC: SOF: Introduce snd_sof_mailbox_read / snd_sof_mailbox_write callbacks
We need to introduce snd_sof_mailbox_{read/write} in order to provide a generic way for mailbox access. These routines are optional, each platform can implement their own specific routines. So far, all platforms use mmapped I/O thus they can use custom made routines sof_mailbox_read / sof_mailbox_write that use MMIO. Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Bud Liviu-Alexandru <budliviu@gmail.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20211004152147.1268978-2-daniel.baluta@oss.nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
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11 changed files with 67 additions and 0 deletions
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@ -421,6 +421,10 @@ struct snd_sof_dsp_ops sof_imx8_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* ipc */
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.send_msg = imx8_send_msg,
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.fw_ready = sof_fw_ready,
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@ -468,6 +472,10 @@ struct snd_sof_dsp_ops sof_imx8x_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* ipc */
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.send_msg = imx8_send_msg,
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.fw_ready = sof_fw_ready,
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@ -284,6 +284,10 @@ struct snd_sof_dsp_ops sof_imx8m_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* ipc */
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.send_msg = imx8m_send_msg,
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.fw_ready = sof_fw_ready,
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@ -42,6 +42,10 @@ const struct snd_sof_dsp_ops sof_apl_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_thread = hda_dsp_ipc_irq_thread,
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@ -616,6 +616,10 @@ static const struct snd_sof_dsp_ops sof_bdw_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* ipc */
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.send_msg = bdw_send_msg,
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.fw_ready = sof_fw_ready,
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@ -226,6 +226,10 @@ static const struct snd_sof_dsp_ops sof_byt_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_handler = atom_irq_handler,
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.irq_thread = atom_irq_thread,
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@ -304,6 +308,10 @@ static const struct snd_sof_dsp_ops sof_cht_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_handler = atom_irq_handler,
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.irq_thread = atom_irq_thread,
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@ -247,6 +247,10 @@ const struct snd_sof_dsp_ops sof_cnl_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_thread = cnl_ipc_irq_thread,
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@ -41,6 +41,10 @@ const struct snd_sof_dsp_ops sof_icl_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_thread = cnl_ipc_irq_thread,
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@ -142,6 +142,10 @@ const struct snd_sof_dsp_ops sof_tng_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_handler = atom_irq_handler,
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.irq_thread = atom_irq_thread,
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@ -37,6 +37,10 @@ const struct snd_sof_dsp_ops sof_tgl_ops = {
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_thread = cnl_ipc_irq_thread,
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@ -322,6 +322,21 @@ static inline int snd_sof_dsp_block_write(struct snd_sof_dev *sdev,
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return sof_ops(sdev)->block_write(sdev, blk_type, offset, src, bytes);
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}
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/* mailbox IO */
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static inline void snd_sof_dsp_mailbox_read(struct snd_sof_dev *sdev,
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u32 offset, void *dest, size_t bytes)
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{
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if (sof_ops(sdev)->mailbox_read)
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sof_ops(sdev)->mailbox_read(sdev, offset, dest, bytes);
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}
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static inline void snd_sof_dsp_mailbox_write(struct snd_sof_dev *sdev,
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u32 offset, void *src, size_t bytes)
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{
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if (sof_ops(sdev)->mailbox_write)
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sof_ops(sdev)->mailbox_write(sdev, offset, src, bytes);
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}
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/* ipc */
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static inline int snd_sof_dsp_send_msg(struct snd_sof_dev *sdev,
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struct snd_sof_ipc_msg *msg)
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@ -151,6 +151,14 @@ struct snd_sof_dsp_ops {
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enum snd_sof_fw_blk_type type, u32 offset,
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void *src, size_t size); /* mandatory */
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/* Mailbox IO */
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void (*mailbox_read)(struct snd_sof_dev *sof_dev,
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u32 offset, void *dest,
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size_t size); /* optional */
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void (*mailbox_write)(struct snd_sof_dev *sof_dev,
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u32 offset, void *src,
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size_t size); /* optional */
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/* doorbell */
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irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
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irqreturn_t (*irq_thread)(int irq, void *context); /* optional */
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