cs_dsp_mock_...npacked_word(9)

💅 cs_dsp_mock_...npacked_word(9) 💅

okay so this is a page straight out of the Kernel API Manual, and honestly? it's a little one but it's a mighty one. bestie, we're talking about one tiny function that tells you how far to scoot the register address to land on the next DSP word in unpacked XM/YM/ZM. that's it. that's the whole vibe. but it matters, so let's go 🫶

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✨ NAME ✨

cs_dsp_mock_reg_addr_inc_per_unpacked_word — the "how much do I add to the address" function. literally just: the register address increment per unpacked DSP word. no cap.

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🌸 SYNOPSIS 🌸

unsigned int cs_dsp_mock_reg_addr_inc_per_unpacked_word (struct
cs_dsp_test *priv );

like, you hand it a priv and it hands you back an unsigned int. that's the trade. fair deal fr fr 💖

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🎀 ARGUMENTS 🎀

• priv — a pointer to struct cs_dsp_test. that's your context bestie, she's carrying everything you need.

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🦋 RETURN 🦋

the amount by which the register address increments to move to the next DSP word in unpacked XM/YM/ZM. so like… the step size. the stride. the little hop the address does to get to the next word ✨

note the "unpacked" bestie — this is the unpacked XM/YM/ZM case specifically, not the packed one. iykyk 💅

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👑 SEE ALSO 👑

okay so here's the whole friend group, go say hi:

• the kernel file itself: ./drivers/firmware/cirrus/test/cs_dsp_mock_mem_maps.c — that's where she lives 🏠
• cs_dsp_mock_size_of_region(9)
• cs_dsp_mock_base_addr_for_mem(9)
• cs_dsp_mock_reg_block_length_bytes(9)
• cs_dsp_mock_reg_block_length_registers(9)
• cs_dsp_mock_reg_block_length_dsp_words(9)
• cs_dsp_mock_has_zm(9)
• cs_dsp_mock_packed_to_unpacked_mem_type(9)
• cs_dsp_mock_num_dsp_words_to_num_packed_regs(9)
• cs_dsp_mock_xm_header_get_alg_base_in_words(9)
• cs_dsp_mock_xm_header_get_fw_version(9)
• cs_dsp_mock_xm_header_drop_from_regmap_cache(9)
• cs_dsp_mock_xm_header_write_to_regmap(9)
• cs_dsp_create_mock_xm_header(9)

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and that's the whole page, bestie 🌈 this icon dropped in October 2026, lives in ./drivers/firmware/cirrus/test, and yes it's got its own (9) section tag like the main character she is 💜 mwah, go read the rest of the mock series, ily 🍓